ON Semiconductor MC34161, MC33161, NCV33161 Technical data

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MC34161, MC33161,

NCV33161

Universal Voltage Monitors

The MC34161/MC33161 are universal voltage monitors intended for use in a wide variety of voltage sensing applications. These devices offer the circuit designer an economical solution for positive and negative voltage detection. The circuit consists of two comparator channels each with hysteresis, a unique Mode Select Input for channel programming, a pinned out 2.54 V reference, and two open collector outputs capable of sinking in excess of 10 mA. Each comparator channel can be configured as either inverting or noninverting by the Mode Select Input. This allows over, under, and window detection of positive and negative voltages. The minimum supply voltage needed for these devices to be fully functional is 2.0 V for positive voltage sensing and 4.0 V for negative voltage sensing.

Applications include direct monitoring of positive and negative voltages used in appliance, automotive, consumer, and industrial equipment.

Features

Unique Mode Select Input Allows Channel Programming

Over, Under, and Window Voltage Detection

Positive and Negative Voltage Detection

Fully Functional at 2.0 V for Positive Voltage Sensing and 4.0 V for Negative Voltage Sensing

Pinned Out 2.54 V Reference with Current Limit Protection

Low Standby Current

Open Collector Outputs for Enhanced Device Flexibility

NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes

Pb-Free Packages are Available

VCC

8

1

2.54V Reference

VS 7

 

 

-

 

2

+

+

6

 

2.8V

 

 

+

 

 

 

 

+

-

 

 

 

1.27V

-

 

 

 

 

3

+

+

5

 

 

 

+ 0.6V

+

-

 

1.27V

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MARKING

 

DIAGRAMS

 

8

PDIP-8

MC3x161P

P SUFFIX

AWL

CASE 626

YYWWG

1

1

 

8

SOIC-8

3x161

D SUFFIX

ALYW

CASE 751

G

 

1

1

 

 

8

Micro8t

x161

DM SUFFIX

AYW G

CASE 846A

G

 

1

1

x= 3 or 4

A = Assembly Location WL, L = Wafer Lot

YY, Y = Year

WW, W = Work Week

G or G = Pb-Free Package (Note: Microdot may be in either location)

PIN CONNECTIONS

Vref

1

8

VCC

Input 1

2

7

Mode Select

Input 2

3

6

Output 1

GND

4

5

Output 2

(TOP VIEW)

ORDERING INFORMATION

See detailed ordering and shipping information in the package dimensions section on page 15 of this data sheet.

4

This device contains

 

 

141 transistors.

Figure 1. Simplified Block Diagram

(Positive Voltage Window Detector Application)

Semiconductor Components Industries, LLC, 2007

1

Publication Order Number:

July, 2007 - Rev. 10

 

MC34161/D

MC34161, MC33161, NCV33161

MAXIMUM RATINGS (Note 1)

Rating

Symbol

Value

Unit

 

 

 

 

Power Supply Input Voltage

VCC

40

V

Comparator Input Voltage Range

Vin

- 1.0 to +40

V

Comparator Output Sink Current (Pins 5 and 6) (Note 2)

ISink

20

mA

Comparator Output Voltage

Vout

40

V

Power Dissipation and Thermal Characteristics (Note 2)

 

 

 

P Suffix, Plastic Package, Case 626

 

 

 

Maximum Power Dissipation @ TA = 70°C

PD

800

mW

Thermal Resistance, Junction-to-Air

RqJA

100

°C/W

D Suffix, Plastic Package, Case 751

 

 

 

Maximum Power Dissipation @ TA = 70°C

PD

450

mW

Thermal Resistance, Junction-to-Air

RqJA

178

°C/W

DM Suffix, Plastic Package, Case 846A

 

 

°C/W

Thermal Resistance, Junction-to-Ambient

RqJA

240

Operating Junction Temperature

TJ

+150

°C

Operating Ambient Temperature (Note 3)

TA

0 to +70

°C

MC34161

 

 

MC33161

 

- 40 to +105

 

NCV33161

 

-40 to +125

 

 

 

 

 

Storage Temperature Range

Tstg

- 55 to +150

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.

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.Maximum package power dissipation must be observed.

3. Tlow = 0°C for MC34161

Thigh = +70°C for MC34161

-40°C for MC33161

+105°C for MC33161

-40°C for NCV33161

+125°C for NCV33161

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MC34161, MC33161, NCV33161

ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, for typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies [Notes 4 and 5], unless otherwise noted.)

Characteristics

Symbol

Min

Typ

Max

Unit

 

 

 

 

 

 

 

COMPARATOR INPUTS

 

 

 

 

 

 

 

 

 

 

 

 

 

Threshold Voltage, Vin Increasing

(TA = 25°C)

Vth

1.245

1.27

1.295

V

 

(TA = Tmin to Tmax)

 

1.235

-

1.295

 

Threshold Voltage Variation (VCC = 2.0 V to 40 V)

DVth

-

7.0

15

mV

Threshold Hysteresis, Vin Decreasing

VH

15

25

35

mV

Threshold Difference |Vth1 - Vth2|

 

VD

-

1.0

15

mV

Reference to Threshold Difference (Vref - Vin1), (Vref - Vin2)

VRTD

1.20

1.27

1.32

V

Input Bias Current (Vin = 1.0 V)

 

IIB

-

40

200

nA

(Vin = 1.5 V)

 

 

-

85

400

 

MODE SELECT INPUT

 

 

 

 

 

 

 

 

 

 

 

 

Mode Select Threshold Voltage (Figure 6) Channel 1

Vth(CH 1)

Vref+0.15

Vref+0.23

Vref+0.30

V

 

Channel 2

Vth(CH 2)

0.3

0.63

0.9

 

COMPARATOR OUTPUTS

 

 

 

 

 

 

 

 

 

 

 

 

Output Sink Saturation Voltage (ISink = 2.0 mA)

VOL

-

0.05

0.3

V

(ISink = 10 mA)

 

-

0.22

0.6

 

(ISink = 0.25 mA, VCC = 1.0 V)

 

-

0.02

0.2

 

Off-State Leakage Current (VOH = 40 V)

IOH

-

0

1.0

mA

REFERENCE OUTPUT

 

 

 

 

 

 

 

 

 

 

 

 

Output Voltage (IO = 0 mA, TA = 25°C)

Vref

2.48

2.54

2.60

V

Load Regulation (IO = 0 mA to 2.0 mA)

Regload

-

0.6

15

mV

Line Regulation (VCC = 4.0 V to 40 V)

Regline

-

5.0

15

mV

Total Output Variation over Line, Load, and Temperature

DVref

2.45

-

2.60

V

Short Circuit Current

 

ISC

-

8.5

30

mA

TOTAL DEVICE

 

 

 

 

 

 

 

 

 

 

 

 

Power Supply Current (VMode, Vin1, Vin2 =GND) (VCC = 5.0 V)

ICC

-

450

700

mA

 

(VCC = 40 V)

 

-

560

900

 

Operating Voltage Range (Positive Sensing)

VCC

2.0

-

40

V

(Negative Sensing)

 

4.0

-

40

 

 

 

 

 

 

 

4. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.

 

5. Tlow = 0°C for MC34161

Thigh = +70°C for MC34161

 

 

 

 

 

-40°C for MC33161

+105°C for MC33161

 

 

 

 

 

-40°C for NCV33161

+125°C for NCV33161

 

 

 

 

 

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MC34161, MC33161, NCV33161

 

 

 

 

 

6.0

VCC = 5.0 V

 

 

 

 

 

 

 

 

500

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(V)VOLTAGEOUTPUT,

5.0

RL = 10 k to VCC

 

 

 

TA = 85°C

(nA)CURRENTBIASINPUT,

 

VCC = 5.0 V

 

 

 

 

TA = 25°C

 

 

 

 

400

 

 

 

 

 

 

 

 

 

 

 

 

 

VMode = GND

 

 

 

 

 

4.0

 

 

 

 

 

 

 

 

 

 

 

TA = 25°C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

300

 

 

 

 

 

 

3.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.0

 

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

 

T

= 85°C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

out

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.0

TA = 25°C

 

 

 

 

T

= 25°C

IB

100

 

 

 

 

 

V

T = -40°C

 

 

 

 

A

 

°

I

 

 

 

 

 

 

 

 

A

 

 

 

 

 

T

= -40 C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

0 0

 

 

 

 

 

 

 

1.22

1.23

1.24

1.25

1.26

1.27

1.28

1.29

 

1.0

2.0

3.0

4.0

5.0

 

 

 

 

 

Vin, INPUT VOLTAGE (V)

 

 

 

 

 

 

Vin, INPUT VOLTAGE (V)

 

 

Figure 2. Comparator Input Threshold Voltage

Figure 3. Comparator Input Bias Current

 

versus Input Voltage

t PHL, OUTPUT PROPAGATION DELAY TIME (ns)

3600

3000

2400

1800

1200

600

0

 

 

 

 

 

 

 

8.0

 

 

 

 

VCC = 5.0 V

 

1. VMode = GND, Output Falling

 

 

 

Undervoltage Detector

 

 

 

TA = 25°C

 

2. VMode = VCC, Output Rising

 

(V)

 

Programmed to trip at 4.5 V

 

 

 

 

 

3. V

= V

, Output Falling

 

VOLTAGE

 

R1 = 1.8 k, R2 = 4.7 k

 

 

 

 

 

Mode

 

CC

 

6.0

RL = 10 k to VCC

 

 

 

 

 

4. V

= GND, Output Rising

 

 

 

 

 

 

Mode

 

 

 

 

 

Refer to Figure 17

 

 

 

 

 

 

 

 

 

OUTPUT,

 

 

 

 

 

 

 

 

 

 

4.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

out

2.0

 

 

 

 

 

 

 

 

 

 

TA = -40°C

 

 

 

 

 

3

 

 

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TA = -25°C

 

 

 

 

 

 

 

4

 

 

0

TA = -85°C

 

 

 

2.0

4.0

6.0

 

8.0

10

 

2.0

4.0

6.0

8.0

 

 

0

PERCENT OVERDRIVE (%)

 

 

 

 

VCC, SUPPLY VOLTAGE (V)

 

 

Figure 4. Output Propagation Delay Time

Figure 5. Output Voltage versus Supply Voltage

versus Percent Overdrive

 

 

6.0

 

 

 

 

 

 

 

A)

40

CHANNEL, OUTPUT VOLTAGE (V)

 

 

 

 

 

 

 

SELECT INPUT CURRENT (μ

5.0

Channel 2 Threshold

 

Channel 1 Threshold

 

35

 

 

 

 

 

 

 

 

 

 

 

VCC = 5.0 V

 

 

 

30

4.0

 

 

 

 

 

25

 

 

 

RL = 10 k to VCC

 

 

 

3.0

 

 

 

 

 

 

 

20

2.0

 

TA = 85°C

 

 

 

 

15

 

 

 

TA = 85°C

10

 

 

T

°

 

°

 

 

= 25 C

 

TA = 25°C

 

 

 

A

°

TA = -40 C

 

out

1.0

 

TA = -40 C

 

 

 

 

MODE,

5.0

V

0

 

 

 

 

 

 

 

Mode

0

 

0.5

1.0

1.5

2.0

2.5

3.0

3.5

I

 

0

 

 

 

 

 

VMode, MODE SELECT INPUT VOLTAGE (V)

 

 

 

 

 

VCC = 5.0 V

 

 

 

 

 

TA = 25°C

 

 

 

 

0

1.0

2.0

3.0

4.0

5.0

VMode, MODE SELECT INPUT VOLTAGE (V)

Figure 6. Mode Select Thresholds

Figure 7. Mode Select Input Current

 

versus Input Voltage

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ON Semiconductor MC34161, MC33161, NCV33161 Technical data

MC34161, MC33161, NCV33161

Vref, REFERENCE VOLTAGE (V)

2.8

2.4

2.0

1.6

1.2

0.8

 

 

 

 

0.4

 

 

 

VMode = GND

 

 

 

TA = 25°C

0

10

20

30

40

0

VCC, SUPPLY VOLTAGE (V)

Figure 8. Reference Voltage

versus Supply Voltage

Vref, REFERENCE OUTPUT VOLTAGE (V)

2.610

2.578

2.546

2.514

2.482

2.450

-55

Vref Max = 2.60 V

Vref Typ = 2.54 V

VCC = 5.0 V

VMode = GND

Vref Min = 2.48 V

-25

0

25

50

75

100

125

 

TA, AMBIENT TEMPERATURE (°C)

 

 

Figure 9. Reference Voltage versus Ambient Temperature

(mV)

0

 

 

 

 

 

 

 

 

(V)

0.5

 

 

 

 

 

 

 

 

 

 

 

 

 

VCC = 5.0 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHANGEVOLTAGEREFERENCE,

 

 

 

 

 

T

T

T

 

VOLTAGESATURATIONOUTPUT,

 

 

 

 

-2.0

 

 

 

 

 

 

VMode = GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.4

 

 

TA = 85°C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-4.0

VCC = 5.0 V

 

 

 

 

=85°C

=25°C

 

 

0.3

 

TA = 25°C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-6.0

VMode = GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

C

A

 

 

0.2

 

 

°

 

 

 

 

 

 

 

 

 

 

 

 

TA = -40 C

 

 

-8.0

 

 

 

 

-40°

 

 

 

 

0.1

 

 

 

 

 

 

 

 

 

=

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

ref

 

 

 

 

 

 

 

 

 

out

 

 

 

 

 

V

-10

 

 

 

 

 

 

 

 

V

0

 

 

 

 

 

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

 

4.0

8.0

12

16

 

0

 

0

 

 

Iref, REFERENCE SOURCE CURRENT (mA)

 

 

 

 

Iout, OUTPUT SINK CURRENT (mA)

 

Figure 10. Reference Voltage Change

versus Source Current

Figure 11. Output Saturation Voltage

versus Output Sink Current

 

0.8

 

 

 

 

 

1.6

 

 

 

 

 

 

 

 

VMode = VCC

 

 

CURRENTSUPPLY(mA)

 

 

 

 

 

 

CURRENTSUPPLY(mA)

 

VMode = GND

Pins 2, 3 =

 

 

 

 

 

 

 

 

0.6

GND

 

 

1.2

 

 

 

 

 

Pins 2, 3 = 1.5 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VMode = Vref

 

 

 

 

 

 

 

 

 

0.4

 

 

Pin 1 = 1.5 V

 

 

0.8

 

 

 

 

 

 

 

 

 

Pin 2 = GND

 

 

 

 

 

 

 

 

 

 

 

 

INPUT,

 

 

 

 

 

 

I

0.2

 

 

 

 

0.4

 

 

Mode

 

 

,

 

 

 

 

 

 

 

 

 

 

 

 

CC

 

 

ICC measured at Pin 8

 

CC

 

 

V

 

= GND

 

 

 

 

 

 

 

TA = 25°C

 

 

0

 

TA = 25°C

 

I

0

 

 

 

 

 

 

10

20

30

40

 

4.0

8.0

12

16

 

0

 

0

 

 

 

VCC, SUPPLY VOLTAGE (V)

 

 

 

 

Iout, OUTPUT SINK CURRENT (mA)

 

 

Figure 12. Supply Current versus

Figure 13. Supply Current

Supply Voltage

versus Output Sink Current

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MC34161, MC33161, NCV33161

VCC

 

 

 

8

 

Vref

 

 

2.54V

 

 

Reference

 

1

 

 

 

 

 

 

Mode Select

 

 

-

Channel 1

7

 

+

+

Output 1

Input 1

 

+

2.8V

 

6

 

 

2

 

-

 

+

 

 

 

 

1.27V

 

 

 

 

 

-

Channel 2

 

 

 

 

++

Input 2

 

+

0.6V

Output 2

 

5

 

 

3

 

-

 

+

 

 

 

 

1.27V

 

 

 

 

GND

4

 

Figure 14. MC34161 Representative Block Diagram

Mode Select

Input 1

Output 1

Input 2

Output 2

 

Pin 7

Pin 2

Pin 6

Pin 3

Pin 5

Comments

 

 

 

 

 

 

GND

0

0

0

0

Channels 1 & 2: Noninverting

 

1

1

1

1

 

 

 

 

 

 

 

Vref

0

0

0

1

Channel 1: Noninverting

 

1

1

1

0

Channel 2: Inverting

 

 

 

 

 

 

VCC (>2.0 V)

0

1

0

1

Channels 1 & 2: Inverting

 

1

0

1

0

 

 

 

 

 

 

 

Figure 15. Truth Table

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