ON Semiconductor NCP302, NCP303 Technical data

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NCP302, NCP303

Voltage Detector Series with Programmable Delay

The NCP302 and NCP303 series are second generation ultra−low current voltage detectors that contain a programmable time delay generator. These devices are specifically designed for use as reset controllers in portable microprocessor based systems where extended battery life is paramount.

Each series features a highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator. This combination of features prevents erratic system reset operation.

The NCP302 series consists of complementary output devices that are available with either an active high or active low reset. The NCP303 series has an open drain N−Channel output with an active low reset output.

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5

1

THIN SOT23−5/TSOP−5/SC59−5

CASE 483

Features

• Quiescent Current of 0.5 A Typical

• High Accuracy Undervoltage Threshold of 2.0%

• Externally Programmable Time Delay Generator

• Wide Operating Voltage Range of 0.8 V to 10 V

• Complementary or Open Drain Output

• Active Low or Active High Reset

• Pb−Free Packages are Available

T ypical Applications

• Microprocessor Reset Controller

• Low Battery Detection

• Power Fail Indicator

• Battery Backup Detection

NCP302xSNxxT1

Complementary Output Configuration

2 Input

PIN CONNECTIONS AND

MARKING DIAGRAM

Reset

Output

Input

Ground

xxx =Specific Device Code Y = Year W = Work Week

ORDERING INFORMATION

See detailed ordering and shipping information in the ordering information section on page 22 of this data sheet.

Open Drain Output Configuration

2 Input

NCP303LSNxxT1

1

2

3

(Top View)

xxxYW

5

C

D

4

N.C.

1 Reset Output

R

D

V

ref

3 GND

5C

* Inverter for active low devices.

* Buffer for active high devices.

 Semiconductor Components Industries, LLC, 2005

January, 2005 − Rev. 14.5

1

*

D

This device contains 28 active transistors.

Figure 1. Representative Block Diagrams

Reset

Output

1 Publication Order Number:

V

ref

3 GND

R

D

5C

D

NCP302/D

NCP302, NCP303

Á

MAXIMUM RATINGS

Rating Symbol Value Unit

Input Power Supply Voltage (Pin 2) Delay Capacitor Pin Voltage (Pin 5)

Output Voltage (Pin 1)

Complementary, NCP302

ББББББББББББББББ

N−Channel Open Drain, NCP303 Output Current (Pin 1) (Note 2) Thermal Resistance Junction−to−Air Maximum Junction Temperature Operating Ambient Temperature Range Storage Temperature Range Moisture Sensitivity Level (TA = 235°C) Latchup Performance

Positive

ББББББББББББББББ

Negative

Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously . If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected.

1. This device series contains ESD protection and exceeds the following tests: Human Body Model 2000 V per MIL−STD−883, Method 3015. Machine Model Method 200 V.

2. The maximum package power dissipation limit must not be exceeded.

T

P



D

J(max)

R

JA

 T

A

V

in

V

CD

V

OUT

ÁÁÁÁ

I

OUT

R



JA

T

J

T

A

T

stg

MSL

I

LATCHUP

ÁÁÁÁ

12

−0.3 to V

ББББББ

in

−0.3 to 12

+ 0.3

70

250

+125

−40 to +85

−55 to +150 1

ББББББ

200 200

V V

V

ÁÁ

mA

°C/W

°C °C °C

mA

ÁÁ

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2

NCP302, NCP303

Á

ELECTRICAL CHARACTERISTICS (For all values T

= 25°C, unless otherwise noted.)

A

Characteristic

NCP302/3 − 0.9

Detector Threshold (Pin 2, Vin Decreasing) Detector Threshold Hysteresis (Pin 2, Vin Increasing) V Supply Current (Pin 2)

(V

= 0.8 V)

in

ББББББББББББББББ

= 2.9 V)

(V

in

ÁÁÁ

Maximum Operating Voltage (Pin 2) V Minimum Operating Voltage (Pin 2)

= −40°C to 85°C)

(T

A

Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

(V

= 0.05V, Vin = 0.70V)

OUT

= 0.50V, Vin = 0.85V)

(V

OUT

Pch Source Current, NCP302

= 2.4V, Vin = 4.5V) 1.0 6.0 −

(V

OUT

Reset Output Current (Pin 1, Active High ‘H’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

= 0.5 V, Vin = 1.5 V) 1.05 2.5 −

(V

OUT

Pch Source Current, NCP302

= 0.4 V, Vin = 0.7 V)

(V

OUT

= GND, Vin = 0.8 V)

(V

OUT

CD Delay Pin Threshold Voltage (Pin 5)

(V

= 0.99 V)

in

Delay Capacitor Pin Sink Current (Pin 5)

= 0.7 V, VCD = 0.1V)

(V

in

ББББББББББББББББ

(V

= 0.85 V, VCD = 0.5V)

in

ÁÁÁ

Delay Pullup Resistance (Pin 5) R

NCP302/3 − 1.8

Detector Threshold (Pin 2, Vin Decreasing) Detector Threshold Hysteresis (Pin 2, Vin Increasing) V Supply Current (Pin 2)

= 1.7 V)

(V

in

ББББББББББББББББ

(V

= 3.8 V)

in

ÁÁÁ

Maximum Operating Voltage (Pin 2) V Minimum Operating Voltage (Pin 2)

(T

= −40°C to 85°C)

A

Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

= 0.05V, Vin = 0.70V)

(V

OUT

= 0.50V, Vin = 1.5V)

(V

OUT

Pch Source Current, NCP302

(V

= 2.4V, Vin = 4.5V) 1.0 6.0 −

OUT

Reset Output Current (Pin 1, Active High ‘H’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

= 0.5 V, Vin = 5.0 V) 6.3 11 −

(V

OUT

Pch Source Current, NCP302

(V

= 0.4 V, Vin = 0.7 V)

OUT

= GND, Vin = 1.5 V)

(V

OUT

Symbol Min Typ Max Unit

V

DET−

HYS

I

in(max)

V

in(min)

I

OUT

I

OUT

V

TCD

in

0.882

0.900

0.918

0.027 0.045 0.063 V

−

ÁÁ

−

0.20

ÁÁ

0.45

0.6

ÁÁ

1.2

− − 10 V

−

0.01

0.05

0.011

0.014

0.55

0.65

0.05

0.50

0.04

0.08

0.70

0.80

−

V

A

Á

V

mA

V

0.50 0.67 0.84

I

CD

V

DET−

HYS

I

in(max)

V

in(min)

I

OUT

I

OUT

2.0

ÁÁ

10

D

0.5 1.0 2.0 M

1.764

120

ÁÁ

300

1.80

−

ÁÁ

−

1.836

0.054 0.090 0.126 V

in

−

ÁÁ

−

0.23

ÁÁ

0.48

0.7

ÁÁ

1.3

− − 10 V

−

0.01

1.0

0.011

0.525

0.55

0.65

0.05

2.0

0.04

0.6

0.70

0.80

−

A

Á

V

A

Á

V

mA

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3

NCP302, NCP303

Á

ELECTRICAL CHARACTERISTICS (continued) (For all values T

= 25°C, unless otherwise noted.)

A

Characteristic UnitMaxTypMinSymbol

NCP302/3 − 1.8

C

Delay Pin Threshold Voltage (Pin 5)

D

= 1.98 V)

(V

in

Delay Capacitor Pin Sink Current (Pin 5)

= 0.7 V, VCD = 0.1V)

(V

in

ББББББББББББББББ

= 1.5 V, VCD = 0.5V)

(V

in

ÁÁÁ

Delay Pullup Resistance (Pin 5) R

NCP302/3 − 2.0

Detector Threshold (Pin 2, Vin Decreasing) Detector Threshold Hysteresis (Pin 2, Vin Increasing) V Supply Current (Pin 2)

(V

= 1.9 V)

in

ББББББББББББББББ

= 4.0 V)

(V

in

ÁÁÁ

Maximum Operating Voltage (Pin 2) V Minimum Operating Voltage (Pin 2)

(T

= −40°C to 85°C)

A

Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

(V

= 0.05V, Vin = 0.70V)

OUT

= 0.50V, Vin = 1.5V)

(V

OUT

Pch Source Current, NCP302

= 2.4V, Vin = 4.5V) 1.0 6.0 −

(V

OUT

Reset Output Current (Pin 1, Active High ‘H’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

(V

= 0.5 V, Vin = 5.0 V) 6.3 11 −

OUT

Pch Source Current, NCP302

(V

= 0.4 V, Vin = 0.7 V)

OUT

= GND, Vin = 1.5 V)

(V

OUT

CD Delay Pin Threshold Voltage (Pin 5)

(V

= 2.2 V)

in

Delay Capacitor Pin Sink Current (Pin 5)

(V

= 0.7 V, VCD = 0.1V)

in

ББББББББББББББББ

= 1.5 V, VCD = 0.5V)

(V

in

ÁÁÁ

Delay Pullup Resistance (Pin 5) R

NCP302/3− 2.7

Detector Threshold (Pin 2, Vin Decreasing) Detector Threshold Hysteresis (Pin 2, Vin Increasing) V Supply Current (Pin 2)

(V

= 2.6 V)

in

ББББББББББББББББ

= 4.7 V)

(V

in

ÁÁÁ

Maximum Operating Voltage (Pin 2) V Minimum Operating Voltage (Pin 2)

= −40°C to 85°C)

(T

A

Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

(V

= 0.05V, Vin = 0.70V)

OUT

= 0.50V, Vin = 1.5V)

(V

OUT

Pch Source Current, NCP302

= 2.4V, Vin = 4.5V) 1.0 6.0 −

(V

OUT

V

TCD

I

CD

V

DET−

HYS

I

in(max)

V

in(min)

I

OUT

I

OUT

V

TCD

I

CD

V

DET−

HYS

I

in(max)

V

in(min)

I

OUT

0.99 1.34 1.68

V

A

2.0

ÁÁ

200

D

0.5 1.0 2.0 M

1.960

120

ÁÁ

1600

2.00

−

ÁÁ

−

2.040

Á

V

0.06 0.10 0.14 V

in

−

ÁÁ

−

0.23

ÁÁ

0.48

0.8

ÁÁ

1.3

A

Á

− − 10 V

−

0.55

0.65

0.70

0.80

V

mA

0.01

1.0

0.05

2.0

−

mA

0.011

0.525

0.04

0.6

−

− V

1.10 1.49 1.87 A

2.0

ÁÁ

200

D

0.5 1.0 2.0 M

2.646

120

ÁÁ

1600

2.700

−

ÁÁ

−

2.754

Á

V

0.081 0.135 0.189 V

in

−

ÁÁ

−

0.26

ÁÁ

0.46

0.8

ÁÁ

1.3

A

Á

− − 10 V

−

0.55

0.65

0.70

0.80

V

mA

0.01

1.0

0.05

2.0

−

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4

NCP302, NCP303

Á

ELECTRICAL CHARACTERISTICS (continued) (For all values T

= 25°C, unless otherwise noted.)

A

Characteristic UnitMaxTypMinSymbol

NCP302/3− 2.7

Reset Output Current (Pin 1, Active High ‘H’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

= 0.5 V, Vin = 5.0 V) 6.3 11 −

(V

OUT

Pch Source Current, NCP302

(V

= 0.4 V, Vin = 0.7 V)

OUT

= GND, Vin = 1.5 V)

(V

OUT

CD Delay Pin Threshold Voltage (Pin 5)

= 2.97 V)

(V

in

Delay Capacitor Pin Sink Current (Pin 5)

(V

= 0.7 V, VCD = 0.1V)

in

ББББББББББББББББ

= 1.5 V, VCD = 0.5V)

(V

in

ÁÁÁ

Delay Pullup Resistance (Pin 5) R

NCP302/3 − 3.0

Detector Threshold (Pin 2, Vin Decreasing) Detector Threshold Hysteresis (Pin 2, Vin Increasing) V Supply Current (Pin 2)

(V

= 2.87 V)

in

ББББББББББББББББ

= 5.0 V)

(V

in

ÁÁÁ

Maximum Operating Voltage (Pin 2) V Minimum Operating Voltage (Pin 2)

= −40°C to 85°C)

(T

A

Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

(V

= 0.05V, Vin = 0.70V)

OUT

= 0.50V, Vin = 1.5V)

(V

OUT

Pch Source Current, NCP302

(V

= 2.4V, Vin = 4.5V) 1.0 6.0 −

OUT

Reset Output Current (Pin 1, Active High ‘H’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

= 0.5 V, Vin = 5.0 V) 6.3 11 −

(V

OUT

Pch Source Current, NCP302

(V

= 0.4 V, Vin = 0.7 V)

OUT

= GND, Vin = 1.5 V)

(V

OUT

CD Delay Pin Threshold Voltage (Pin 5)

= 3.3 V)

(V

in

Delay Capacitor Pin Sink Current (Pin 5)

(V

= 0.7 V, VCD = 0.1V)

in

ББББББББББББББББ

= 1.5 V, VCD = 0.5V)

(V

in

ÁÁÁ

Delay Pullup Resistance (Pin 5) R

NCP302/3 − 4.5

Detector Threshold (Pin 2, Vin Decreasing) Detector Threshold Hysteresis (Pin 2, Vin Increasing) V Supply Current (Pin 2)

(V

= 4.34 V)

in

ББББББББББББББББ

= 6.5 V)

(V

in

ÁÁÁ

Maximum Operating Voltage (Pin 2) V Minimum Operating Voltage (Pin 2)

= −40°C to 85°C)

(T

A

I

OUT

V

TCD

I

CD

V

DET−

HYS

I

in(max)

V

in(min)

I

OUT

I

OUT

V

TCD

I

CD

V

DET−

HYS

I

in(max)

V

in(min)

mA

0.011

0.525

0.04

0.6

−

− V

1.49 2.01 2.53 A

2.0

ÁÁ

200

D

0.5 1.0 2.0 M

2.94

120

ÁÁ

1600

3.00

−

ÁÁ

−

3.06

Á

V

0.09 0.15 0.21 V

in

−

ÁÁ

−

0.27

ÁÁ

0.47

0.9

ÁÁ

1.3

A

Á

− − 10 V

−

0.55

0.65

0.70

0.80

V

mA

0.01

1.0

0.05

2.0

−

mA

0.011

0.525

0.04

0.6

−

− V

1.65 2.23 2.81 A

2.0

ÁÁ

200

D

0.5 1.0 2.0 M

4.410

120

ÁÁ

1600

4.500

−

ÁÁ

−

4.590

Á

V

0.135 0.225 0.315 V

in

−

ÁÁ

−

0.33

ÁÁ

0.52

1.0

ÁÁ

1.4

A

Á

− − 10 V

−

0.55

0.65

0.70

0.80

V

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5

NCP302, NCP303

Á

ELECTRICAL CHARACTERISTICS (continued) (For all values T

= 25°C, unless otherwise noted.)

A

Characteristic UnitMaxTypMinSymbol

NCP302/3 − 4.5

Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

= 0.05V, Vin = 0.70V)

(V

OUT

(V

= 0.50V, Vin = 1.5V)

OUT

Pch Source Current, NCP302

(V

= 5.9V, Vin = 8.0V) 1.5 10.5 −

OUT

Reset Output Current (Pin 1, Active High ‘H’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

= 0.5 V, Vin = 5.0 V) 6.3 11 −

(V

OUT

Pch Source Current, NCP302

(V

= 0.4 V, Vin = 0.7 V)

OUT

= GND, Vin = 1.5 V)

(V

OUT

CD Delay Pin Threshold Voltage (Pin 5)

(V

= 4.95 V)

in

Delay Capacitor Pin Sink Current (Pin 5)

= 0.7 V, VCD = 0.1V)

(V

in

ББББББББББББББББ

= 1.5 V, VCD = 0.5V)

(V

in

ÁÁÁ

Delay Pullup Resistance (Pin 5) R

NCP302/3 − 4.7

Detector Threshold (Pin 2, Vin Decreasing) Detector Threshold Hysteresis (Pin 2, Vin Increasing) V Supply Current (Pin 2)

= 4.54 V)

(V

in

ББББББББББББББББ

= 6.7 V)

(V

in

ÁÁÁ

Maximum Operating Voltage (Pin 2) V Minimum Operating Voltage (Pin 2)

(T

= −40°C to 85°C)

A

Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

= 0.05V, Vin = 0.70V)

(V

OUT

= 0.50V, Vin = 1.5V)

(V

OUT

Pch Source Current, NCP302

(V

= 5.9V, Vin = 8.0V) 1.5 10.5 −

OUT

Reset Output Current (Pin 1, Active High ‘H’ Suffix Devices)

Nch Sink Current, NCP302, NCP303

(V

= 0.5 V, Vin = 5.0 V) 6.3 11 −

OUT

Pch Source Current, NCP302

(V

= 0.4 V, Vin = 0.7 V)

OUT

= GND, Vin = 1.5 V)

(V

OUT

CD Delay Pin Threshold Voltage (Pin 5)

= 5.17 V)

(V

in

Delay Capacitor Pin Sink Current (Pin 5)

(V

= 0.7 V, VCD = 0.1V)

in

ББББББББББББББББ

= 1.5 V, VCD = 0.5V)

(V

in

ÁÁÁ

Delay Pullup Resistance (Pin 5) R

I

OUT

I

OUT

V

TCD

I

CD

V

DET−

HYS

I

in(max)

V

in(min)

I

OUT

I

OUT

V

TCD

I

CD

mA

0.01

1.0

0.05

2.0

−

mA

0.011

0.525

0.04

0.6

−

− V

2.25 3.04 3.83 A

2.0

ÁÁ

200

D

0.5 1.0 2.0 M

4.606

120

ÁÁ

1600

4.70

−

ÁÁ

−

4.794

Á

V

0.141 0.235 0.329 V

in

−

ÁÁ

−

0.34

ÁÁ

0.53

1.0

ÁÁ

1.4

A

Á

− − 10 V

−

0.55

0.65

0.70

0.80

V

mA

0.01

1.0

0.05

2.0

−

mA

0.011

0.525

0.04

0.6

−

− V

2.59 3.49 4.40 A

2.0

ÁÁ

200

D

0.5 1.0 2.0 M

120

ÁÁ

1600

−

ÁÁ

−

Á

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6

V

DET+

+ 2.0 V

NCP302, NCP303

+ 2.0 V

V

DET+

NCP303LNCP302L

Input Voltage,

Pin 2

0.7 V GND

5.0 V

2.5 V

GND

t

D1

t

D2

Reset Output

Voltage, Pin 1

V

DET+

0.7 V GND

+ 2.0 V

2

GND

t

D1

t

D2

NCP302 and NCP303 series are measured with a 10 pF capacitive load. NCP303 has an additional 470 k pullup resistor connected from the reset output to +5.0 V. The reset output voltage waveforms are shown for the active low ‘L’ devices. Output time delay t threshold, V

and tD2 are dependent upon the delay capacitance. Refer to Figures 12, 13, and 14. The upper detector

D1

is the sum of the lower detector threshold, V

DET+

Figure 2. Measurement Conditions for tD1 and t

plus the input hysteresis, V

DET−

D2

HYS

.

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7

NCP302, NCP303

D

ld

T able 1. ELECTRICAL CHARACTERISTIC TABLE FOR 0.9 − 4.9 V

etector Thresho

NCP302 Series Detector Threshold

V

(V) V

DET−

Hysteresis

(V)

HYS

Part Number Min Typ Max Min Typ Max Typ Typ Typ Typ Typ

NCP302LSN09T1 0.882 0.9 0.918 0.027 0.045 0.063 0.3 0.5 0.05 0.5 2.0 NCP302LSN10T1 0.980 1.0 1.020 0.030 0.050 0.070 NCP302LSN11T1 1.078 1.1 1.122 0.033 0.055 0.077 1.0 NCP302LSN12T1 1.176 1.2 1.224 0.036 0.060 0.084 NCP302LSN13T1 1.274 1.3 1.326 0.039 0.065 0.091 NCP302LSN14T1 1.372 1.4 1.428 0.042 0.070 0.098 NCP302LSN15T1 1.470 1.5 1.530 0.045 0.075 0.105 NCP302LSN16T1 1.568 1.6 1.632 0.048 0.080 0.112 2.0 NCP302LSN17T1 1.666 1.7 1.734 0.051 0.085 0.119 NCP302LSN18T1 1.764 1.8 1.836 0.054 0.090 0.126 NCP302LSN19T1 1.862 1.9 1.938 0.057 0.095 0.133 NCP302LSN20T1 1.960 2.0 2.040 0.060 0.100 0.140 NCP302LSN21T1 2.058 2.1 2.142 0.063 0.105 0.147 NCP302LSN22T1 2.156 2.2 2.244 0.066 0.110 0.154 NCP302LSN23T1 2.254 2.3 2.346 0.069 0.115 0.161 NCP302LSN24T1 2.352 2.4 2.448 0.072 0.120 0.168 NCP302LSN25T1 2.450 2.5 2.550 0.075 0.125 0.175 NCP302LSN26T1 2.548 2.6 2.652 0.078 0.130 0.182 NCP302LSN27T1 2.646 2.7 2.754 0.081 0.135 0.189 NCP302LSN28T1 2.744 2.8 2.856 0.084 0.140 0.196 NCP302LSN29T1 2.842 2.9 2.958 0.087 0.145 0.203 NCP302LSN30T1 2.940 3.0 3.060 0.090 0.150 0.210 NCP302LSN31T1 3.038 3.1 3.162 0.093 0.155 0.217 NCP302LSN32T1 3.136 3.2 3.264 0.096 0.160 0.224 NCP302LSN33T1 3.234 3.3 3.366 0.099 0.165 0.231 NCP302LSN34T1 3.332 3.4 3.468 0.102 0.170 0.238 NCP302LSN35T1 3.430 3.5 3.570 0.105 0.175 0.245 NCP302LSN36T1 3.528 3.6 3.672 0.108 0.180 0.252 NCP302LSN37T1 3.626 3.7 3.774 0.111 0.185 0.259 NCP302LSN38T1 3.724 3.8 3.876 0.114 0.190 0.266 NCP302LSN39T1 3.822 3.9 3.978 0.117 0.195 0.273 NCP302LSN40T1 3.920 4.0 4.080 0.120 0.200 0.280 0.4 0.6 3.0 NCP302LSN41T1 4.018 4.1 4.182 0.123 0.205 0.287 NCP302LSN42T1 4.116 4.2 4.284 0.126 0.210 0.294 NCP302LSN43T1 4.214 4.3 4.386 0.129 0.215 0.301 NCP302LSN44T1 4.312 4.4 4.488 0.132 0.220 0.308 NCP302LSN45T1 4.410 4.5 4.590 0.135 0.225 0.315 NCP302LSN46T1 4.508 4.6 4.692 0.138 0.230 0.322 NCP302LSN47T1 4.606 4.7 4.794 0.141 0.235 0.329 NCP302LSN48T1 4.704 4.8 4.896 0.144 0.240 0.336 NCP302LSN49T1 4.802 4.9 4.998 0.147 0.245 0.343

3. Condition 1: 0.9 — 2.9 V, Vin = V

4. Condition 2: 0.9 — 4.9 V, V

5. Condition 3: 0.9 — 4.9 V, V

6. Condition 4: 0.9 — 1.0 V, V

Condition 4: Active Low ‘L’ Suffix Devices

7. Condition 5: 0.9 — 3.9 V, V

= V

in

= 0.7 V, V

in

= 0.85 V, V

in

= 4.5 V, V

in

− 0.10 V; 3.0 — 3.9 V, Vin = V

DET−

+ 2.0 V

DET−

= 0.05 V, Active Low ‘L’ Suffix Devices

OUT

= 0.5 V; 1.1 — 1.5 V, Vin = 1.0 V, V

OUT

= 2.4 V; 4.0 — 4.9 V, Vin = 8.0 V, V

OUT

DET−

Supply Current Nch Sink Current

Vin Low Vin High Vin Low Vin High

I

in

(1)

(A)

− 0.13 V; 4.0 — 4.9 V, Vin = V

OUT

I

(A)

in

(2)

I

OUT

(mA)

DET−

(3)

− 0.16 V

= 0.5 V; 1.6 — 4.9 V, Vin = 1.5 V, V

= 5.9 V, Active Low ‘L’ Suffix Devices

I

OUT

(mA)

(4)

OUT

Source Current

(mA)

= 0.5 V,

Pch

I

OUT

(5)

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NCP302, NCP303

D

ld

T able 2. ELECTRICAL CHARACTERISTIC TABLE FOR 0.9 − 4.9 V

Supply Current

Vin Low Vin High

I

(A)

in

(1)

I

(A)

in

NCP302 Series Detector Threshold

V

(V) V

DET−

etector Thresho

Hysteresis

(V)

HYS

Part Number Min Typ Max Min Typ Max Typ Typ Typ Typ Typ

NCP302HSN09T1 0.882 0.9 0.918 0.027 0.045 0.063 0.3 0.5 2.5 0.04 0.08 NCP302HSN10T1 0.980 1.0 1.020 0.030 0.050 0.070 NCP302HSN11T1 1.078 1.1 1.122 0.033 0.055 0.077 0.18 NCP302HSN12T1 1.176 1.2 1.224 0.036 0.060 0.084 NCP302HSN13T1 1.274 1.3 1.326 0.039 0.065 0.091 NCP302HSN14T1 1.372 1.4 1.428 0.042 0.070 0.098 NCP302HSN15T1 1.470 1.5 1.530 0.045 0.075 0.105 11 NCP302HSN16T1 1.568 1.6 1.632 0.048 0.080 0.112 0.6 NCP302HSN17T1 1.666 1.7 1.734 0.051 0.085 0.119 NCP302HSN18T1 1.764 1.8 1.836 0.054 0.090 0.126 NCP302HSN19T1 1.862 1.9 1.938 0.057 0.095 0.133 NCP302HSN20T1 1.960 2.0 2.040 0.060 0.100 0.140 NCP302HSN21T1 2.058 2.1 2.142 0.063 0.105 0.147 NCP302HSN22T1 2.156 2.2 2.244 0.066 0.110 0.154 NCP302HSN23T1 2.254 2.3 2.346 0.069 0.115 0.161 NCP302HSN24T1 2.352 2.4 2.448 0.072 0.120 0.168 NCP302HSN25T1 2.450 2.5 2.550 0.075 0.125 0.175 NCP302HSN26T1 2.548 2.6 2.652 0.078 0.130 0.182 NCP302HSN27T1 2.646 2.7 2.754 0.081 0.135 0.189 NCP302HSN28T1 2.744 2.8 2.856 0.084 0.140 0.196 NCP302HSN29T1 2.842 2.9 2.958 0.087 0.145 0.203 NCP302HSN30T1 2.940 3.0 3.060 0.090 0.150 0.210 NCP302HSN31T1 3.038 3.1 3.162 0.093 0.155 0.217 NCP302HSN32T1 3.136 3.2 3.264 0.096 0.160 0.224 NCP302HSN33T1 3.234 3.3 3.366 0.099 0.165 0.231 NCP302HSN34T1 3.332 3.4 3.468 0.102 0.170 0.238 NCP302HSN35T1 3.430 3.5 3.570 0.105 0.175 0.245 NCP302HSN36T1 3.528 3.6 3.672 0.108 0.180 0.252 NCP302HSN37T1 3.626 3.7 3.774 0.111 0.185 0.259 NCP302HSN38T1 3.724 3.8 3.876 0.114 0.190 0.266 NCP302HSN39T1 3.822 3.9 3.978 0.117 0.195 0.273 NCP302HSN40T1 3.920 4.0 4.080 0.120 0.200 0.280 0.4 0.6 NCP302HSN41T1 4.018 4.1 4.182 0.123 0.205 0.287 NCP302HSN42T1 4.116 4.2 4.284 0.126 0.210 0.294 NCP302HSN43T1 4.214 4.3 4.386 0.129 0.215 0.301 NCP302HSN44T1 4.312 4.4 4.488 0.132 0.220 0.308 NCP302HSN45T1 4.410 4.5 4.590 0.135 0.225 0.315 NCP302HSN46T1 4.508 4.6 4.692 0.138 0.230 0.322 NCP302HSN47T1 4.606 4.7 4.794 0.141 0.235 0.329 NCP302HSN48T1 4.704 4.8 4.896 0.144 0.240 0.336 NCP302HSN49T1 4.802 4.9 4.998 0.147 0.245 0.343

8. Condition 1: 0.9 — 2.9 V, Vin = V

9. Condition 2: 0.9 — 4.9 V, V

10.Condition 3: 0.9 — 1.4 V, V

11.Condition 4: 0.9 — 4.9 V, V

12.Condition 5: 0.9 — 1.0 V, V

= V

in

= 1.5 V, V

in

= 0.7 V, V

in

= 0.8 V, V

in

− 0.10 V; 3.0 — 3.9 V, Vin = V

DET−

+ 2.0 V

DET−

= 0.5 V; 1.5 — 4.9 V, Vin = 5.0 V, V

OUT

= 0.4 V, Active High ‘H’ Suffix Devices

OUT

= GND; 1.1 — 1.5 V, Vin = 1.0 V, V

OUT

− 0.13 V; 4.0 — 4.9 V, Vin = V

DET−

= 0.5 V, Active High ‘H’ Suffix Devices

OUT

= GND; 1.6 — 4.9 V, Vin = 1.5 V, V

OUT

Active High ‘H’ Suffix Devices

Nch

Sink

Current

I

(2)

OUT

(mA)

Pch Source Current Vin Low Vin High

I

(3)

(mA)

− 0.16 V

DET−

OUT

(4)

OUT

(mA)

= GND,

I

OUT

(5)

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9

NCP302, NCP303

Detector Threshold

T able 3. ELECTRICAL CHARACTERISTIC TABLE FOR 0.9 − 4.9 V

Supply Current Nch Sink Current

NCP303 Series Detector Threshold

V

(V) V

DET−

Hysteresis

(V)

HYS

Part Number Min Typ Max Min Typ Max Typ Typ Typ Typ

NCP303LSN09T1 0.882 0.9 0.918 0.027 0.045 0.063 0.3 0.5 0.05 0.5 NCP303LSN10T1 0.980 1.0 1.020 0.030 0.050 0.070 NCP303LSN11T1 1.078 1.1 1.122 0.033 0.055 0.077 1.0 NCP303LSN12T1 1.176 1.2 1.224 0.036 0.060 0.084 NCP303LSN13T1 1.274 1.3 1.326 0.039 0.065 0.091 NCP303LSN14T1 1.372 1.4 1.428 0.042 0.070 0.098 NCP303LSN15T1 1.470 1.5 1.530 0.045 0.075 0.105 NCP303LSN16T1 1.568 1.6 1.632 0.048 0.080 0.112 2.0 NCP303LSN17T1 1.666 1.7 1.734 0.051 0.085 0.119 NCP303LSN18T1 1.764 1.8 1.836 0.054 0.090 0.126 NCP303LSN19T1 1.862 1.9 1.938 0.057 0.095 0.133 NCP303LSN20T1 1.960 2.0 2.040 0.060 0.100 0.140 NCP303LSN21T1 2.058 2.1 2.142 0.063 0.105 0.147 NCP303LSN22T1 2.156 2.2 2.244 0.066 0.110 0.154 NCP303LSN23T1 2.254 2.3 2.346 0.069 0.115 0.161 NCP303LSN24T1 2.352 2.4 2.448 0.072 0.120 0.168 NCP303LSN25T1 2.450 2.5 2.550 0.075 0.125 0.175 NCP303LSN26T1 2.548 2.6 2.652 0.078 0.130 0.182 NCP303LSN27T1 2.646 2.7 2.754 0.081 0.135 0.189 NCP303LSN28T1 2.744 2.8 2.856 0.084 0.140 0.196 NCP303LSN29T1 2.842 2.9 2.958 0.087 0.145 0.203 NCP303LSN30T1 2.940 3.0 3.060 0.090 0.150 0.210 NCP303LSN31T1 3.038 3.1 3.162 0.093 0.155 0.217 NCP303LSN32T1 3.136 3.2 3.264 0.096 0.160 0.224 NCP303LSN33T1 3.234 3.3 3.366 0.099 0.165 0.231 NCP303LSN34T1 3.332 3.4 3.468 0.102 0.170 0.238 NCP303LSN35T1 3.430 3.5 3.570 0.105 0.175 0.245 NCP303LSN36T1 3.528 3.6 3.672 0.108 0.180 0.252 NCP303LSN37T1 3.626 3.7 3.774 0.111 0.185 0.259 NCP303LSN38T1 3.724 3.8 3.876 0.114 0.190 0.266 NCP303LSN39T1 3.822 3.9 3.978 0.117 0.195 0.273 NCP303LSN40T1 3.920 4.0 4.080 0.120 0.200 0.280 0.4 0.6 NCP303LSN41T1 4.018 4.1 4.182 0.123 0.205 0.287 NCP303LSN42T1 4.116 4.2 4.284 0.126 0.210 0.294 NCP303LSN43T1 4.214 4.3 4.386 0.129 0.215 0.301 NCP303LSN44T1 4.312 4.4 4.488 0.132 0.220 0.308 NCP303LSN45T1 4.410 4.5 4.590 0.135 0.225 0.315 NCP303LSN46T1 4.508 4.6 4.692 0.138 0.230 0.322 NCP303LSN47T1 4.606 4.7 4.794 0.141 0.235 0.329 NCP303LSN48T1 4.704 4.8 4.896 0.144 0.240 0.336 NCP303LSN49T1 4.802 4.9 4.998 0.147 0.245 0.343

13.Condition 1: 0.9 — 2.9 V, Vin = V

14.Condition 2: 0.9 — 4.9 V, V

15.Condition 3: 0.9 — 4.9 V, V

16.Condition 4: 0.9 — 1.0 V, V

Condition 4: Active Low ‘L’ Suffix Devices

= V

in

= 0.7 V, V

in

= 0.85 V, V

in

− 0.10 V; 3.0 — 3.9 V, Vin = V

DET−

+ 2.0 V

DET−

= 0.05 V, Active Low ‘L’ Suffix Devices

OUT

= 0.5 V; 1.1 — 1.5 V, Vin = 1.0 V, V

OUT

− 0.13 V; 4.0 — 4.9 V, Vin = V

DET−

Vin Low Vin High Vin Low Vin High

I

in

(1)

(A)

= 0.5 V; 1.6 — 4.9 V, Vin = 1.5 V, V

OUT

I

(A)

DET−

I

OUT

(mA)

− 0.16 V

(3)

(mA)

= 0.5 V,

OUT

in

(2)

I

OUT

(4)

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10

NCP302, NCP303

0.98

0.96

0.94

0.92

0.90

0.88

0.86

, DETECTOR THRESHOLD VOLTAGE (V)

−50

DET

V

4.9

4.8

4.7

V

DET+

V

DET−

−25

0

, AMBIENT TEMPERATURE (°C)

T

A

25 50

75

Figure 3. NCP302/3 Series 0.9 V

Detector Threshold Voltage vs. Temperature

V

DET+

100

3.00

2.95

2.90

2.85

2.80

2.75

2.70

2.65

2.60

, DETECTOR THRESHOLD VOLTAGE (V)

−50

DET

V

0.9

0.8

0.7

V

DET+

V

DET−

−25

0

, AMBIENT TEMPERATURE (°C)

T

A

25 50

75

Figure 4. NCP302/3 Series 2.7 V

Detector Threshold Voltage vs. Temperature

Vin = 0.99 V

100

4.6

4.5

4.4

, DETECTOR THRESHOLD VOLTAGE (V)

4.3

DET

−50

V

2.3

2.2

2.1

2.0

PIN THRESHOLD VOLTAGE (V)

1.9

D

, C

TCD

1.8

V

−50

V

DET−

−25

0

T

, AMBIENT TEMPERATURE (°C)

A

25 50

75

Figure 5. NCP302/3 Series 4.5 V

Detector Threshold Voltage vs. Temperature

Vin = 2.97 V

−25

0

25 50

75

TA, AMBIENT TEMPERATURE (°C)

Figure 7. NCP302/3 Series 2.7 V

C

Delay Pin Threshold Voltage vs. Temperature

D

100

0.6

0.5

PIN THRESHOLD VOLTAGE (V)

D

0.4

, C

TCD

V

0.3

−50

−25

0

T

, AMBIENT TEMPERATURE (°C)

A

25 50

Figure 6. NCP302/3 Series 0.9 V

C

Delay Pin Threshold Voltage vs. Temperature

D

3.3 Vin = 4.95 V

3.2

3.1

3.0

2.9

PIN THRESHOLD VOLTAGE (V)

D

2.8

, C

TCD

2.7

V

−50

−25

0

, AMBIENT TEMPERATURE (°C)

T

A

25 50

Figure 8. NCP302/3 Series 4.5 V

CD Delay Pin Threshold Voltage vs. Temperature

75

100

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11

NCP302, NCP303

0.6

0.5

0.4

0.3

0.2

0.1

DELAY PIN SINK CURRENT (mA)

D

, C

0

CD

I

TA = 25°C

0

0.2 , DELAY PIN VOLTAGE (V)

V

CD

Figure 9. NCP302/3 Series 0.9 V

C

Delay Pin Sink Current vs. Voltage

D

18 16 14 12 10

8.0

6.0

4.0

DELAY PIN SINK CURRENT (mA)

D

2.0

, C

CD

0

I

0

TA = 25°C

1.0

0.5 VCD, DELAY PIN VOLTAGE (V)

Figure 11. NCP302/3 Series 4.5 V

C

Delay Pin Sink Current vs. Voltage

D

Vin = 0.7 V

0.4

1.5 2.0

0.6 0.8

Vin = 3.0 V

Vin = 2.5 V

2.5

Vin = 0.85 V

Vin = 4.0 V

Vin = 3.5 V

3.5 4.0

3.0

1.0

8.0

0

TA = 25°C

0.5 V

, DELAY PIN VOLTAGE (V)

CD

7.0

6.0

5.0

4.0

3.0

2.0

DELAY PIN SINK CURRENT (mA)

D

1.0

, C

0

CD

I

Figure 10. NCP302/3 Series 2.7 V

C

Delay Pin Sink Current vs. Voltage

D

10000

TA = 25°C

1000

100

10

, OUTPUT TIME DELAY

D2

, t

D1

1.0

t

0.1

0.0001

0.001

C

, DELAY PIN CAPACITANCE (F)

D

Figure 12. NCP302/3 Series 0.9 V

Output Time Delay vs. Capacitance

1.0

Vin = 1.5 V

1.5 2.0

tD1 (s)

tD2 (ms)

0.01

Vin = 2.5 V

Vin = 2.0 V

0.1

2.5

1.0

10000

1000

100

10

, OUTPUT TIME DELAYt

D2

, t

D1

1.0

0.1

TA = 25°C

0.0001

0.001 , DELAY PIN CAPACITANCE (F)

C

D

0.01

Figure 13. NCP302/3 Series 2.7 V

Output Time Delay vs. Capacitance

tD1 (s)

tD2 (ms)

0.1

http://onsemi.com

1.0

12

10000

1000

100

10

, OUTPUT TIME DELAYt

D2

, t

D1

1.0

0.1

0.0001

TA = 25°C

tD1 (s)

tD2 (ms)

0.001 , DELAY PIN CAPACITANCE (F)

C

D

0.01

Figure 14. NCP302/3 Series 4.5 V

Output Time Delay vs. Capacitance

0.1

1.0

NCP302, NCP303

1.0

0.8

0.6

0.4

, OUTPUT VOLTAGE (V)

0.2

OUT

0

7.0

6.0

5.0

4.0

3.0

2.0

, OUTPUT VOLTAGE (V) V

OUT

1.0 0

TA = −30°C (303L only) T

= 25°C (303L only)

A

T

= 85°C (303L only)

A

0.2

0.4

0.6

Vin, INPUT VOLTAGE (V)

Figure 15. NCP302L/3L Series 0.9 V

Reset Output Voltage vs. Input Voltage

TA = −30°C (303L only)

= 25°C (303L only)

T

A

T

= 85°C (303L only)

A

0

1.0

2.0

V

in

3.0

, INPUT VOLTAGE (V)

4.0

Figure 17. NCP302L/3L Series 4.5 V

Reset Output Voltage vs. Input Voltage

0.8

5.0

1.0

6.0

3.0

2.5

2.0

1.5

1.0

, OUTPUT VOLTAGE (V)

OUT

0.5

V

TA = −30°C (303L only)

= 25°C (303L only)

T

A

T

= 85°C (303L only)

A

0

1.0

0.5

V

in

1.5

, INPUT VOLTAGE (V)

2.0

Figure 16. NCP302L/3L Series 2.7 V

Reset Output Voltage vs. Input Voltage

1.2

1.0

TA = 25°C

0.8

0.6

0.4

0.2

, OUTPUT SINK CURRENT (mA)

OUT

I

0

0.2 V

, OUTPUT VOLTAGE (V)

OUT

0.4

Vin = 0.7 V

0.6 0.8

Figure 18. NCP302H/3L Series 0.9 V

Reset Output Sink Current vs. Output Voltage

2.5

Vin = 0.85 V

3.0

1.0

16 14

TA = 25°C 12 10

8.0

6.0

, OUTPUT SINK CURRENT (mA) V

OUT

I

4.0

2.0 0

0

0.5 V

OUT

Vin = 1.5 V

1.0

1.5 2.0

, OUTPUT VOLTAGE (V)

Figure 19. NCP302H/3L Series 2.7 V

Reset Output Sink Current vs. Output Voltage

Vin = 2.5 V

Vin = 2.0 V

35

30

25

20

15

10

, OUTPUT SINK CURRENT (mA)

5.0

OUT

I

0

2.5

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13

TA = 25°C

Vin = 4.0 V

Vin = 3.5 V

Vin = 3.0 V

Vin = 2.5 V

Vin = 2.0 V

Vin = 1.5 V

0

0.5

1.0

1.5 2.0

V

, OUTPUT VOLTAGE (V)

OUT

2.5

3.0

3.5 4.0

Figure 20. NCP302H/3L Series 4.5 V

Reset Output Sink Current vs. Output Voltage

NCP302, NCP303

1.2

1.0

0.8

0.6

0.4

, INPUT CURRENT (A)

in

0.2

0

0 2.0 4.0 6.0 8.0 10

TA = 25°C

Vin, INPUT VOLTAGE (V)

Figure 21. NCP302/3 Series 0.9 V

Input Current vs. Input Voltage

11.8 TA = 25°C

2.5

2.0

1.5

1.0

, INPUT CURRENT (A)

in

I

0.5

0

2.0

4.0

, INPUT VOLTAGE (V)

V

in

6.0

8.0

Figure 23. NCP302/3 Series 4.5 V

Input Current vs. Input Voltage

10

5.5 TA = 25°C

2.5

2.0

1.5

1.0

, INPUT CURRENT (A)

in

I

0.5

0

2.0

4.0

, INPUT VOLTAGE (V)

V

in

6.0

8.0

10

Figure 22. NCP302/3 Series 2.7 V

Input Current vs. Input Voltage

250

CD = 0.1 F

75

100

, OUTPUT TIME DELAY (ms)t t

D2

200

150

100

50

0

−50

−25 T

0

, AMBIENT TEMPERATURE (°C)

A

25 50

Figure 24. NCP302/3 Series 0.9 V

Reset Output Time Delay vs. Temperature

350

300

250

200

150

100

, OUTPUT TIME DELAY (ms) I

50

D2

t

0

−50

−25

0

, AMBIENT TEMPERATURE (°C)

T

A

25 50

CD = 0.1 F

75

100

Figure 25. NCP302/3 Series 2.7 V

Reset Output Time Delay vs. Temperature

250

200

150

100

50

, OUTPUT TIME DELAY (ms)

D2

0

−50

CD = 0.1 F

−25 T

0

, AMBIENT TEMPERATURE (°C)

A

25 50

75

Figure 26. NCP302/3 Series 4.5 V

Reset Output Time Delay vs. Temperature

100

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14

NCP302, NCP303

1.6 V

= 0.5 V

OUT

1.4

1.2

1.0

0.8

0.6

0.4

, OUTPUT SINK CURRENT (mA)

0.2

OUT

I

0

0.2

0.4

Vin, INPUT VOLTAGE (V)

Figure 27. NCP302H/3L Series 0.9 V

Reset Output Sink Current vs. Input Voltage

14

V

= 0.5 V

OUT

12

10

TA = −30°C

TA = 25°C

TA = 85°C

0.6 0.8

1.0

9.0 V

= 0.5 V

OUT

8.0

7.0

6.0

5.0

TA = 25°C

4.0

3.0

2.0

, OUTPUT SINK CURRENT (mA)

1.0

OUT

I

0

0.5

1.0

Vin, INPUT VOLTAGE (V)

Figure 28. NCP302H/3L Series 2.7 V

Reset Output Sink Current vs. Input Voltage

0.7 VCD = 0.5 V

0.6

0.5

TA = −30°C

TA = 85°C

1.5 2.0

TA = 25°C

2.5

TA = −30°C

3.0

8.0

6.0

TA = 25°C

4.0

2.0

, OUTPUT SINK CURRENT (mA)

OUT

I

0

1.0

2.0

Vin, INPUT VOLTAGE (V)

Figure 29. NCP302H/3L Series 4.5 V

Reset Output Sink Current vs. Input Voltage

5.0 VCD = 0.5 V VCD = 0.5 V

4.0

3.0

2.0

1.0

DELAY PIN SINK CURRENT (mA)

D

TA = 25°C

, C

0

CD

I

0

0.5

TA = −30°C

1.0 , INPUT VOLTAGE (V)

V

in

TA = 85°C

3.0 4.0

TA = 85°C

1.5 2.0

2.5

5.0

3.0

0.4

0.3

0.2

DELAY PIN SINK CURRENT (mA)

0.1

D

, C

0

CD

I

0

0.2 Vin, INPUT VOLTAGE (V)

Figure 30. NCP302/3 Series 0.9 V

C

Delay Pin Sink Current vs. Input Voltage

D

6.0

5.0

4.0

3.0

2.0

1.0

DELAY PIN SINK CURRENT (mA)

D

, C

0

CD

I

0

1.0

TA = 25°C

V

, INPUT VOLTAGE (V)

in

0.4

2.0

0.6 0.8

TA = −30°C

TA = 85°C

3.0 4.0

TA = 85°C

1.0

5.0

Figure 31. NCP302/3 Series 2.7 V

C

Delay Pin Sink Current vs. Input Voltage

D

Figure 32. NCP302/3 Series 4.5 V

CD Delay Pin Sink Current vs. Input Voltage

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15

NCP302, NCP303

12

V

= Vin −2.1 V

OUT

10

TA = 25°C

8.0

6.0

4.0

2.0

, OUTPUT SOURCE CURRENT (mA)

0

OUT

I

0

2.0 4.0 6.0 , INPUT VOLTAGE (V)

V

in

Figure 33. NCP302L Series 0.9 V

Reset Output Source Current vs. Input Voltage

12

V

= Vin −2.1 V

OUT

10

TA = 25°C

8.0

6.0

4.0

2.0

, OUTPUT SOURCE CURRENT (mA)

0

OUT

I

0

2.0

4.0

, INPUT VOLTAGE (V)

V

in

6.0

Figure 35. NCP302L Series 4.5 V

Reset Output Source Current vs. Input Voltage

V

8.0

V

in

V

−1.5 V

−1.0 V

−0.5 V

−1.5 V

in

−1.0 V

in

−0.5 V

in

12

10

TA = 25°C

8.0

6.0

4.0

2.0

, OUTPUT SOURCE CURRENT (mA)

10

0

2.0

4.0

V

, INPUT VOLTAGE (V)

in

0

OUT

Figure 34. NCP302L Series 2.7 V

Reset Output Source Current vs. Input Voltage

2.0

1.6

1.2

0.8

0.4

, DELAY RESISTANCE (M)I

D

R

0

10

−50

−25

0

, AMBIENT TEMPERATURE (°C)

T

A

25 50

Figure 36. NCP302/3 Series

Delay Resistance vs. T emperature

V

OUT

6.0

= Vin −2.1 V

V

8.0

−1.5 V

in

−1.0 V

in

75

−0.5 V

10

100

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16

NCP302, NCP303

OPERATING DESCRIPTION

The NCP302 and NCP303 series devices consist of a precision voltage detector that drives a time delay generator. Figures 37 and 38 show a timing diagram and a typical application. Initially consider that input voltage V

is at a

in

nominal level and it is greater than the voltage detector upper threshold (V

). The voltage at Pin 5 and capacitor C

DET+

will be at the same level as Vin, and the reset output (Pin 1) will be in the high state for active low devices, or in the low state for active high devices. If there is a power interruption and V

becomes significantly deficient, it will fall below the

in

lower detector threshold (V

) and the external time

DET−

delay capacitor CD will be immediately discharged by an internal N−Channel MOSFET that connects to Pin 5. This sequence of events causes the Reset output to be in the low state for active low devices, or in the high state for active high devices. After completion of the power interruption,

V

Input Voltage, Pin 2

V

DET

DET−

in

+

V

will again return to its nominal level and become greater

in

than the V

. The voltage detector will turn off the

DET+

N−Channel MOSFET and allow pullup resistor RD to charge external capacitor CD, thus creating a programmable delay for releasing the reset signal. When the voltage at Pin 5 exceeds the inverter/buffer threshold, typically 0.675 V the reset output will revert back to its original state. The reset

D

output time delay versus capacitance is shown in Figures 12 through 14. The voltage detector and inverter/buffer have built−in hysteresis to prevent erratic reset operation.

Although these device series are specifically designed for use as reset controllers in portable microprocessor based systems, they offer a cost−effective solution in numerous applications where precise voltage monitoring and time delay are required. Figures 38 through 45 show various application examples.

,

in

Capacitor, Pin 5

Reset Output (Active Low), Pin 1

Reset Output (Active High), Pin 1

V

in

0.675 V

in

V

in

V

DET−

0 V

V

in

V

DET−

0 V

Figure 37. Timing Waveforms

t

D2

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17

2 Input

NCP302, NCP303

APPLICATION CIRCUIT INFORMATION

*

V

DD

V

DD

C

2.85 V

2.70 V

5

NCP302

C

D

Series

D

GN

3

1

Reset Output

Reset

* Required for

D

NCP303

Microprocessor

GND

Figure 38. Microprocessor Reset Circuit

Vin < 2.7 ON

2 Input

5

NCP302

LSN27T1

C

D

3

GN

1

Reset Output

> 2.835 ON

V

in

To Additional Circuitry

D

Figure 39. Battery Charge Indicator

5.0 V

1.0 V 0 V

V

supply

2 Input

5

NCP303

LSN45T1

C

D

GN

3

1

Reset Output

470 k

To Additional Circuitry

0.001 F Missing Pulse

D

Input

0 V

V

0.675*V

in in

C

D

Reset Output

t

D2

Figure 40. Missing Pulse Detector or Frequency Detector

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18

NCP302, NCP303

Á

V

DD

R

H

Input

2

5

NCP301

NCP303

LSN27T1

C

D

3

GN

GN D

D

Figure 41. Microprocessor Reset Circuit with Additional Hysteresis

Comparator hysteresis can be increased with the addition of resistor R do not account for the change of input current I the comparator threshold. The internal resistance, R calculated using I

. The hysteresis equations have been simplified and

H

= 0.26 A at 2.6 V.

in

as Vin crosses

in

is simply

in

Vin Decreasing:

R

H



V



th

R

in

 1



V

DET



Vin Increasing:

R

H



V



th

Rin R

L

V

= Vin Increasing − Vin Decreasing

HYS

 1





V

DET

 V

HYS



1

Reset Output

R

L

Reset

Vth Decreasing

(V)

2.70

ÁÁÁÁ

2.70

ÁÁÁÁ

2.70

ÁÁÁÁ

2.70

ÁÁÁÁ

2.70

ÁÁÁÁ

2.70

ÁÁÁÁ

2.70

V

DD

Microprocessor

GN D

Test Data

Vth Increasing

(V)

2.84

ÁÁÁÁ

2.87

2.88

ÁÁÁÁ

2.91

2.90

ÁÁÁÁ

2.94

ÁÁÁÁ

2.98

2.70

ÁÁÁÁ

3.04

ÁÁÁÁ

3.15

V

HYS

(V)

0.135

Á

0.17

0.19

Á

0.21

0.20

Á

0.24

Á

0.28

0.27

Á

0.34

Á

0.35

R ()

0

Á

100 100

Á

100 220

Á

220

Á

220 470

Á

470

Á

470

R

H

L

(k)

−

10

6.8

4.3 10

6.8

4.3 10

6.8

4.3

5.0 V

100 k

Test Data

C

Input

2

82 k

5

NCP301

NCP302

LSN27T1

HSN27T1

C

D

GN

3

D

1

Reset Output

C (F) f

0.01 2590 21.77

0.1 490

1.0 52 22.07

(kHz) IQ (A)

OSC

21.97

Figure 42. Simple Clock Oscillator

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19

V

supply

Load

NCP302, NCP303

This circuit monitors the current at the load. As current flows through the load, a voltage drop with

V

DD

respect to ground appears across R V

sense

= I

load

* R

The following conditions apply:

sense.

sense

where

R

sense

2

50 k

5

NCP301

NCP303

LSN27T1

D

LSN09T1

GND

3

C

1 Reset Output

Microcontroller

GND

I

Load

I

Load

 V

DET−/Rsense

 (V

DET−+VHYS

)/R

sense

Input

If:

Then: Reset Output = 0 V Reset Output = V

DD

Figure 43. Microcontroller Systems Load Sensing

V

supply

2

Input

5

C

NCP301

NCP303

LSN27T1

LSN45T1

D

3

GND

1

Reset

Output

Input

2

5

C

NCP301

NCP303

LSN27T1

D

GND

3

1

Reset

Output

Vin = 1.0 V to 10 V

2

Input

5

C

NCP301

NCP303

LSN27T1

LSN18T1

D

1

Reset

Output

3

GND

A simple voltage monitor can be constructed by connecting several voltage detectors as shown above. Each LED will sequentially turn on when the respective voltage detector threshold (V thresholds (V

) that range from 0.9 V to 4.9 V in 100 mV steps can be manufactured.

DET−

+V

) is exceeded. Note that detector

HYS

Figure 44. LED Bar Graph Voltage Monitor

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20

Power Supply 1

NCP302, NCP303

2 Input

Power Supply 2

Power Supply 3

5

NCP303

LSN18T1

C

D

3

2 Input

NCP300

LSN33T1

3

2 Input

NCP300

LSN45T1

GN

D

GN

D

1

Reset Output

1

Reset Output

1

Reset Output

Reset Output To MCU or Logic Circuitry

GN

3

GN

3

D

For monitoring power supplies with a time delay reset, only a single NCP303 with delay capacitor is required.

Figure 45. Multiple Power Supply Undervoltage

Supervision with Time Delay Reset

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21

NCP302, NCP303

Active

(7 inch Reel)

CMOS

ce

Drain

Low

ORDERING INFORMATION

Threshold

Device

NCP302LSN09T1 0.9 SBO TSOP−5 NCP302LSN09T1G 0.9 SBO TSOP−5

NCP302LSN15T1 1.5 SBI TSOP−5 NCP302LSN18T1 1.8 SBF TSOP−5 NCP302LSN20T1 2.0 SBD TSOP−5 NCP302LSN27T1 2.7 SAW TSOP−5 NCP302LSN27T1G 2.7 SAW TSOP−5

NCP302LSN30T1 3.0 SAT TSOP−5 NCP302LSN30T1G 3.0

NCP302LSN33T1 3.3 NCP302LSN33T1G 3.3 SAQ TSOP−5

NCP302LSN38T1 3.8 SAK TSOP−5

NCP302LSN38T1G 3.8 SAK TSOP−5 NCP302LSN40T1 4.0 SAI TSOP−5 NCP302LSN43T1 4.3 SAF TSOP−5 NCP302LSN45T1 4.5 SAL TSOP−5 NCP302LSN45T1G 4.5 SAL TSOP−5

NCP302LSN47T1 4.7 SAC TSOP−5 NCP302HSN09T1 0.9 SDO TSOP−5

NCP302HSN18T1 1.8 SFH TSOP−5 NCP302HSN27T1 2.7 SDK TSOP−5 NCP302HSN30T1 3.0 NCP302HSN40T1 4.0 NCP302HSN45T1 4.5 SDG TSOP−5 NCP302HSN45T1G 4.5 SDG TSOP−5

NCP303LSN09T1 0.9 SDE TSOP−5 NCP303LSN09T1G 0.9 SDE TSOP−5

NCP303LSN10T1 1.0 NCP303LSN10T1G 1.0

NCP303LSN11T1 1.1 SDC TSOP−5

NOTE: The ordering information lists standard undervoltage thresholds with active low outputs. Additional active low threshold devices, ranging from 0.9 V to 4.9 V in 100 mV increments and NCP302 active high output devices, ranging from 0.9 V to 4.9 V in 100 mV increments can be manufactured. Contact your ON Semiconductor representative for availability. The electrical characteristics of these additional devices are shown in Tables 1 and 2.

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

Voltage

Output

Type

CMOS

Open Drain

Reset Marking Package Shipping

(Pb−Free)

Active

Low

Active

High

Active

Low

SAT TSOP−5

SAQ TSOP−5

SDI TSOP−5 SJH TSOP−5

SDD TSOP−5 SDD TSOP−5

(Pb−Free)

3000 / Tape & Reel

(Pb−Free)

†

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22

NCP302, NCP303

(

)

Drain

Low

(7 inch Reel)

ORDERING INFORMATION

Threshold

Device

NCP303LSN13T1 1.3 SDA TSOP−5 NCP303LSN14T1 1.4 SCZ TSOP−5 NCP303LSN15T1 1.5 SCY TSOP−5 NCP303LSN15T1G 1.5 SCY TSOP−5

NCP303LSN16T1 1.6 SCX TSOP−5 NCP303LSN18T1 1.8 SCV TSOP−5 NCP303LSN20T1 2.0 SCT TSOP−5 NCP303LSN20T1G 2.0 SCT TSOP−5

NCP303LSN22T1 2.2 SCR TSOP−5 NCP303LSN23T1 2.3 SCQ TSOP−5 NCP303LSN24T1 2.4 SCP TSOP−5 NCP303LSN25T1 2.5 SCO TSOP−5 NCP303LSN25T1G 2.5

NCP303LSN26T1 2.6 SCN TSOP−5 NCP303LSN26T1G 2.6

NCP303LSN27T1 2.7 NCP303LSN27T1G 2.7

NCP303LSN28T1 2.8 SCL TSOP−5 NCP303LSN28T1G 2.8

NCP303LSN29T1 2.9 SCK TSOP−5 NCP303LSN29T1G 2.9

NCP303LSN30T1 3.0 SCJ TSOP−5 NCP303LSN30T1G 3.0

NCP303LSN31T1 3.1 SCI TSOP−5 NCP303LSN32T1 3.2 SCH TSOP−5 NCP303LSN33T1 3.3 SCG TSOP−5 NCP303LSN34T1 3.4 SCF TSOP−5 NCP303LSN36T1 3.6 SCD TSOP−5 NCP303LSN38T1 3.8 SCA TSOP−5

NOTE: The ordering information lists standard undervoltage thresholds with active low outputs. Additional active low threshold devices, ranging from 0.9 V to 4.9 V in 100 mV increments and NCP302 active high output devices, ranging from 0.9 V to 4.9 V in 100 mV increments can be manufactured. Contact your ON Semiconductor representative for availability. The electrical characteristics of these additional devices are shown in Tables 1 and 2.

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

Voltage

Output

Type

Open Drain

Reset Marking Package Shipping

(Pb−Free)

TSOP−5

(Pb−Free)

TSOP−5

(Pb−Free)

TSOP−5

(Pb−Free)

TSOP−5

(Pb−Free)

TSOP−5

(Pb−Free)

TSOP−5

(Pb−Free)

3000 / Tape & Reel

7 inch Reel

Active

Low

SCO

SCN

SCM TSOP−5

SCM

SCL

SCK

SCJ

†

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23

NCP302, NCP303

Oen

Active

3000 / Ta e & Reel

ORDERING INFORMATION

Threshold

Device

NCP303LSN40T1 4.0 SBY TSOP−5 NCP303LSN42T1 4.2 SBW TSOP−5 NCP303LSN42T1G 4.2

NCP303LSN44T1 4.4 SBU TSOP−5 NCP303LSN44T1G 4.4

NCP303LSN45T1 4.5 NCP303LSN45T1G 4.5

NCP303LSN46T1 4.6 SBS TSOP−5 NCP303LSN46T1G 4.6

NCP303LSN47T1 4.7 SBR TSOP−5

NOTE: The ordering information lists standard undervoltage thresholds with active low outputs. Additional active low threshold devices, ranging from 0.9 V to 4.9 V in 100 mV increments and NCP302 active high output devices, ranging from 0.9 V to 4.9 V in 100 mV increments can be manufactured. Contact your ON Semiconductor representative for availability. The electrical characteristics of these additional devices are shown in Tables 1 and 2.

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

Voltage

Output

Type

Open Active Drain

Reset Marking Package Shipping

Low

SBW

SBU

SBT TSOP−5

SBT

SBS

TSOP−5

(Pb−Free)

TSOP−5

(Pb−Free)

TSOP−5

(Pb−Free)

TSOP−5

(Pb−Free)

†

3000 / Tape & Reel

(7 inch Reel)

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24

0.05 (0.002)

S

H

D

54

123

L

G

A

NCP302, NCP303

PACKAGE DIMENSIONS

THIN SOT−23−5/TSOP−5/SC59−5

CASE 483−02

ISSUE C

B

C

SOLDERING FOOTPRINT*

J

K

M

NOTES:

1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982.

2. CONTROLLING DIMENSION: MILLIMETER.

3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE MATERIAL.

4. A AND B DIMENSIONS DO NOT INCLUDE MOLD FLASH, PROTRUSIONS, OR GATE BURRS.

DIM MIN MAX MIN MAX

A 2.90 3.10 0.1142 0.1220 B 1.30 1.70 0.0512 0.0669 C 0.90 1.10 0.0354 0.0433 D 0.25 0.50 0.0098 0.0197 G 0.85 1.05 0.0335 0.0413 H 0.013 0.100 0.0005 0.0040

J 0.10 0.26 0.0040 0.0102

K 0.20 0.60 0.0079 0.0236

L 1.25 1.55 0.0493 0.0610

M 0 10 0 10

___ _

S 2.50 3.00 0.0985 0.1181

INCHESMILLIMETERS

1.9

0.95

0.074

0.037

2.4

0.094

1.0

0.039

0.7

0.028

SCALE 10:1

mm



inches



*For additional information on our Pb−Free strategy and soldering

details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D.

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25

NCP302, NCP303

ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice

to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.

PUBLICATION ORDERING INFORMATION

LITERATURE FULFILLMENT:

Literature Distribution Center for ON Semiconductor P.O. Box 61312, Phoenix, Arizona 85082−1312 USA

Phone: 480−829−7710 or 800−344−3860 Toll Free USA/Canada Fax: 480−829−7709 or 800−344−3867 Toll Free USA/Canada Email: orderlit@onsemi.com

N. American Technical Support: 800−282−9855 Toll Free

USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center

2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051

Phone: 81−3−5773−3850

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ON Semiconductor Website: http://onsemi.com Order Literature: http://www.onsemi.com/litorder

For additional information, please contact your local Sales Representative.

NCP302/D

26

ON Semiconductor NCP302, NCP303 Technical data

Specifications and Main Features

Frequently Asked Questions

User Manual