Datasheet MC33465N-30ATR, MC33465N-45ATR, MC33465N-45CTR, MC33465N-09ATR, MC33465N-09CTR Datasheet (Motorola)

 

Reset

T

30° t

80°C

SOT–23

Reset

 
  
  

The MC33465 series are micropower undervoltage sensing circuits that
are specifically designed for use with battery powered microprocessor based
systems, where extended battery life is required. A choice of several
threshold voltages from 0.9 V to 4.5 V are available. This device features a
very low quiescent bias current of 1.0 µA typical.

The MC33465 series features a highly accurate voltage reference, a
comparator with precise thresholds and built–in hysteresis to prevent erratic
reset operation, a choice of output configurations between open drain or
complementary, a time delayed output, which can be programmed by the
system designer, and guaranteed operation below 1.0 V with extremely low
standby current. This device is available in a SOT–23 5–pin surface mount
package.

Applications include direct monitoring of the MPU/logic power supply
used in appliance, automotive, industrial and portable equipment.

MC33465 Features:

• Extremely Low Standby Current of 1.0 µA at V

• Wide Input Voltage Range (0.7 V to 10 V)

• Monitors Power Supply Voltages from 1.1 V to 5.0 V

• High Accuracy Detector Threshold (±2.5%)

• Two Reset Output Types (Open Drain or Complementary Drive)

• Programmable Output Delay by External Capacitor (100 ms typ. with

0.15 µF)

• Surface Mount Package (SOT–23 5–Pin)

• Convenient Tape and Reel (3000 per Reel)

= 3.5 V

in

Order this document by MC33465/D



MICROPOWER

UNDERVOLTAGE

SENSING CIRCUITS

WITH PROGRAMMABLE

OUTPUT DELAY

SEMICONDUCTOR

TECHNICAL DATA

5

1

N SUFFIX

PLASTIC PACKAGE

CASE 1212

(SOT–23)

PIN CONNECTIONS

ORDERING INFORMATION

Threshold

Device

MC33465N–09ATR 0.9
MC33465N–20ATR 2.0
MC33465N–27ATR 2.7
MC33465N–30ATR 3.0
MC33465N–45ATR 4.5

MC33465N–09CTR 0.9
MC33465N–20CTR 2.0
MC33465N–27CTR 2.7
MC33465N–30CTR 3.0
MC33465N–45CTR 4.5

Other voltages from 0.9 to 6.0 V , in 0.1 V increments, are available. Consult factory for
information.

This document contains information on a new product. Specifications and information herein
are subject to change without notice.

MOTOROLA ANALOG IC DEVICE DATA

Voltage

Type

Open
Drain

Reset

Compl.

MOS

Reset

Operating

Temperature Range

°

A

= –

o +

°

Package

15

Reset

2

Input

Ground

3

(Top View)

 Motorola, Inc. 1996 Rev 0

C

D

N/C

4

1

MC33465

Representative Block Diagrams

MC33465N–YYATR

Open Drain Output Configuration

2 Input

V

ref

3 Gnd 5C

R

D

D

1 Reset

This device contains 28 active transistors.

MAXIMUM RATINGS

Rating Symbol Value Unit

Power Input Supply Voltage
Reset Output Voltage
Reset Output Current (Source or Sink)
Power Dissipation and Thermal Characteristics

Maximum Power Dissipation at TA = 25°C P

Case 1212 (SOT–23) N Suffix

Thermal Resistance, Junction–to–Ambient R
Operating Junction Temperature
Operating Ambient Temperature
Storage Temperature Range
Lead Temperature (Soldering)

Complementary Output Configuration

2 Input

YY Denotes Threshold Voltage

V
V

I

θJA
T

T

T

stg

T

solder

in
O

O

D

J

A

0 to 12

–0.3 to 12

70

150 mW

667 °C/W

+125

–30 to +80
–40 to +125
260°C, 10 s

MC33465N–YYCTR

V

ref

3 Gnd 5C

V
V

mA

°C
°C
°C

R

D

1
Reset

D

2

MOTOROLA ANALOG IC DEVICE DATA

MC33465

ÁÁÁ

ÁÁÁ

ÁÁÁ

ÁÁÁ

ÁÁÁ

ÁÁÁ

ÁÁÁ

ÁÁÁ

ÁÁÁ

ELECTRICAL CHARACTERISTICS (For all values T

Characteristic

= 25°C (Note 1), unless otherwise noted.)

A

Symbol Min Typ Max Unit

SENSE COMPARATOR

Threshold Voltage

High to Low State Output (Vin Decreasing) V

IL

09 Suffix 0.878 0.9 0.922
18 Suffix 1.755 1.8 1.845
27 Suffix 2.633 2.7 2.767
36 Suffix 3.51 3.6 3.69
45 Suffix 4.387 4.5 4.612

Threshold Hysteresis (Vin Increasing) V

H

09 Suffix 0.027 0.045 0.063
18 Suffix 0.054 0.09 0.126
27 Suffix 0.081 0.135 0.189
36 Suffix 0.108 0.18 0.252
45 Suffix 0.135 0.225 0.315

Threshold Voltage Temperature Coefficient

T

C

–

±100

RESET OUTPUT

Output Voltage

High State (Complementary Output: I
Low State (Complementary or Open Drain Output: I

Output Sink Current (Vin = 1.5 V, VOL = 0.5 V)
Output Source Current (Vin = 4.5 V, VOH = 2.4 V)

= 1.0 mA) V

source

= 1.0 mA) V

sink

I

I

OH

OH

OL

OL

Vin – 2.1 Vin – 1.0 V

– 0.25 0.5

1.0

1.0

2.0

2.0

DELAY OUTPUT

Output Sink Current (Vin = 1.5 V, VOL = 0.5 V)
Delay Resistance

I
R

OL

0.2

D

0.5

0.8

1.0

TOTAL DEVICE

Operating Input Voltage Range
Quiescent Input Current

V

in

I

in

0.8 to 10

–

Vin = 4.34 V – 5.5 11
Vin = 6.50 V – 1.3 3.9

NOTE: 1.Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible.

2.0

V

V

–

PPM/°C

V

in

–
–

–

mA
mA

mA
MΩ

–

V

µA

MOTOROLA ANALOG IC DEVICE DATA

3

Figure 1. Reset Low State Sink Current versus

Output Voltage

16

MC33465N–45ATR

14
12
10

8.0

6.0

4.0

, OUTPUT SINK CURRENT (mA)

O

2.0
0

0

TA = 20

°

C

Vin = 2.5 V

2.0 V

1.5 V

0.5

1.0

VOL, LOW STATE OUTPUT VOLTAGE (V)

1.5 2.0

Figure 3. Input Current versus Input Voltage

8.0

MC33465N–45ATR

7.0

µ

6.0

5.0

TA = 25°C

4.0

3.0

, SUPPLY CURRENT ( A) I

2.0

in

I

1.0
0

0

TA = 80°C

TA = –30°C

Vin, INPUT VOLTAGE (V)

80°C

25°C

8.0

2.5

MC33465

3.0

–30°C

10

Figure 2. Output V oltage versus Input Voltage

7.0
MC33465N–45ATR

Ω

Pull–up

470 k

6.0

, OUTPUT VOL TAGE (V)
V

5.0

4.0

3.0
TA = –30°C

1.0

TA = 25°C

TA = 80°C

2.0
Vin, INPUT VOLTAGE (V)

2.0

O

1.0
0

0

3.0

30

°

C

4.0

Figure 4. Comparator Input Threshold Voltage

versus T emperature

3.0

2.9

2.85

2.8

2.75

2.7

, INPUT THRESHOLD VOLTAGE (V)

2.65

in

2.6
–40

V

H

MC33465N–27ATR

–202.0

TA, AMBIENT TEMPERATURE (

VIL + V

H

V

IL

04.0 206.0

40

°

C)

80°C, 20°C

5.0

60

6.0

80

12

MC33465N–27ATR
VOL = 0.5 V

10

8.0

6.0

4.0

, OUTPUT SINK CURRENT (mA)

2.0

O

I

0

0

4

Figure 5. Reset

versus Input V oltage

Vin, INPUT VOLTAGE (V)

Output Sink Current

TA = –30°C

1.5 2.50.5 1.0

2.0

25°C

80°C

3.0

4.0
MC33465N–27CTR

3.5

3.0

2.5

2.0

1.5

1.0

, OUTPUT CURRENT (mA) V

O

I

0.5
0

0

Figure 6. Reset Output Source Current

versus Input V oltage

Vin – VO = 2.1 V

Vin – VO = 1.5 V

Vin – VO = 1.0 V

Vin – VO = 0.5 V

2.0

4.0
Vin, INPUT VOLTAGE (V)

6.0 10

8.0 12

MOTOROLA ANALOG IC DEVICE DATA

MC33465

Figure 7. CD Sink Current versus Input Voltage

12

MC33465N–27ATR
VOL = 0.5 V

10

8.0

6.0

4.0

, SINK CURRENT (mA)

D

C

2.0

0

1.8

1.6

Ω

1.4

0.5 1.0 1.5 2.0 3.0

0

Vin, INPUT VOLTAGE (V)

Figure 9. Delay Resistance versus T emperature

TA = –30°C

25°C

80°C

2.5

Figure 8. CD Sink Current versus CD Voltage

16
14
12
10

8.0

6.0

, SINK CURRENT (mA)

4.0

sink

I

2.0
0

0

Figure 10. Detector Threshold versus T emperature

1.9

1.8

1.7

0.5 1.0 1.5 2.0 3.0

Vin = 2.5 V

Vin = 2.0 V

Vin = 1.5 V

2.5

VCD, VOLTAGE (V)

1.2

1.0

0.8

, DELAY RESISTANCE (M )

D

0.6

R

0.4
–40

–20 0 20 40 80

TA, AMBIENT TEMPERATURE (

60

°

C)

Figure 11. Output Delay T ime versus

1000

, OUTPUT DELA Y TIME (ms)

p

t

100

tD: Output Switch

Low to High

10

1.0

0.1

Delay Capacitance

1.6

1.5

1.4

1.3

, DETECTOR THRESHOLD VOLTAGE (V)

th(D)

1.2

V

tD: Output Switch

High to Low

Vin = 2.97 V

MC33465N–27ATR

–40

–20 0 20 40 80

TA, AMBIENT TEMPERATURE (°C)

60

0.01

0.0001

MOTOROLA ANALOG IC DEVICE DATA

0.001 0.01 0.1

µ

CD, DELAY CAPACITANCE (

F)

5

MC33465

Figure 12. T ypical Open Drain Application

V

DD

2 Input

5

MC33465

C

C

D

Series

D

Gnd

3

1
Reset

R

Reset

V

DD

Gnd

CPU

Figure 13. T ypical Complementary Output Application

V

DD

2 Input

5

MC33465

C

C

D

Series

D

3

Gnd

1
Reset

Reset

V

DD

Gnd

CPU

APPLICATION CIRCUIT INFORMATION

The MC33465 series are micropower undervoltage
sensing circuits which offer a programmable time delayed
output with the choice of either complementary output drive
or open drain output configurations. Figure 14 shows the
timing relationships between the input voltage and the
resulting circuit waveforms. When the input voltage (Vin)
exceeds the sense comparator threshold, the timing
capacitor
resistor. When the output inverting driver threshold is
exceeded, the Reset

is allowed to charge through the internal delay

output switches from a logic “0” to a

logic “1”. The top curve of Figure 11 provides the nominal
delay time for a given value of delay capacitance. When V
drops below the comparator threshold minus hysteresis
voltage, the delay capacitor discharges. When the
capacitance voltage drops below the inverting drive
threshold, the output switches from a logic “1” to a logic “0”.
The bottom curve in Figure 1 1 provides typical delay time for
given delay capacitance values. The inverting driver
threshold voltage is typically about Vin/2, as shown in
Figure 10.

in

6

MOTOROLA ANALOG IC DEVICE DATA

Input Voltage

Delay Capacitor

Reset

Output

VIL + V

V

MC33465

Figure 14. Timing Waveforms

V

in
H

IL

V

in

0 V

t

D

L–H L–H

t

D

H–L

t

D

t

D

H–L

MOTOROLA ANALOG IC DEVICE DATA

7

MC33465

OUTLINE DIMENSIONS

N SUFFIX

PLASTIC PACKAGE

CASE 1212–01

(SOT–23)

ISSUE O

NOTES:

1. DIMENSIONS ARE IN MILLIMETERS.

2. INTERPRET DIMENSIONS AND TOLERANCES
PER ASME Y14.5M, 1994.

3. DATUM C IS A SEATING PLANE.

MILLIMETERS

DIM MIN MAX

A1 0.00 0.10
A2 1.00 1.30

B 0.30 0.50
C 0.10 0.25
D 2.80 3.00
E 2.50 3.10

E1 1.50 1.80

e 0.95 BSC

e1 1.90 BSC

L

0.20 –––

L1 0.45 0.75

A

E

D

1523

B

4

0.05

A2

S

A1

L

E1

L1

B 5X

M

e

0.10 CSBSA

C

C

e1

Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty , representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola 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 consequential or incidental damages. “T ypical” parameters which may be provided in Motorola
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. Motorola does not convey any license under its patent rights nor the rights of
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applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
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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
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Opportunity/Affirmative Action Employer.

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MOTOROLA ANALOG IC DEVICE DATA

Mfax is a trademark of Motorola, Inc.

MC33465/D