MC33164-3_05 MICROSEMI [Microsemi Corporation], MC33164-3

MC33164-3_05
Manufacturer Part Number	MC33164-3_05
Description	3V UNDERVOLTAGE SENSING CIRCUIT
Manufacturer	MICROSEMI [Microsemi Corporation]
MC33164-3_05 datasheet	1. MC33164-3_05.pdf (9 pages)

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H E

N F I N I T E

O W E R

O F

D E S C R I P T I O N

The

MC33164-3

and

MC34164-3

undervoltage

sensing

circuits

specifically for use as reset controllers in

microprocessor-based systems. They offer the

designer an economical, space efficient solution

for low supply voltage detection when used in

combination with a single pull-up resistor.

Adding one capacitor offers the functionality of

a programmable delay time after power

IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

0 to 70

-40 to 85

Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e.

MC34164-3DM-TR)

Rev. 1.2a,2005-03-09

11861 W

ESTERN

3 V U

N D E R V O L T A G E

R O D U C T I O N

N N O V A T I O N

are

returns. The MC33164-3 and MC34164-3

designed

consist of a temperature stable reference

comparator

with

hysteresis,

clamping diode and an open collector output

stage capable of sinking more than 6mA over

the full temperature range. The MC33164-3

and MC34164-3's RESET output is specified to

be fully functional at VIN ≥ 1V. See Product

Highlight below.

P R O D U C T H I G H L I G H T

PACKAGE ORDER INFO

Plastic SOIC

8-Pin

(°C)

RoHS Compliant / Pb-free

Transition DC: 0440

MC34164-3DM

MC33164-3DM

I N

I N I T Y

I C R O E L E C T R O N I C S

, G

, CA. 92841, 714-898-8121, F

VENUE

ARDEN

ROVE

MC33164-3 / MC34164-3

E N S I N G

I R C U I T

A T A

H E E T

K E Y F E A T U R E S

Monitors +3.3V Supplies (V

2.7V Typ)

high-current

Outputs Fully Defined At V

(See Product Highlight)

Ultra-Low Supply Current (13µA

Max.)

Temperature Compensated I

For Extremely Stable Current

Consumption

µP Reset Delay Programmable

With 1 External Resistor And

Capacitor

Comparator Hysteresis Prevents

Output Oscillation (60mV Typ.)

Electrically Compatible With

Motorola MC34164-3

Pin-to-Pin Compatible With

Motorola MC34064 / MC34164

A P P L I C A T I O N S

All Microprocessor Or

Microcontroller Designs Using

3V/3.3V Supplies

Simple 3V/3.3V Undervoltage

Detection

Plastic TO-92

3-Pin

Transition DC: 0509

MC34164-3LP

MC33164-3LP

N C

: 714-893-2570

≥ 1V

Download datasheet (278Kb)

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MC33164-3_05 Summary of contents
Page 1 ... The MC33164-3 and MC34164-3's RESET output is specified to be fully functional at VIN ≥ 1V. See Product Highlight below ... Page 2 ... MC33164-3/MC34164-3 ABSOLUTE MAXIMUM RATINGS Input Supply Voltage (V ) ............................................................................... -1V to 12V IN RESET Output Voltage (V ) ..................................................................................... 12V OUT Output Sink Current (I ) ............................................................ Internally Limited (mA) OL Clamp Diode Forward Current (I ), Pin 1 to pin 2 ............................................... 100mA F Operating Junction Temperature Plastic (DM Packages) .................................................................................. 150° ... Page 3 ... Note 3. Maximum junction temperature ratings must be observed. (Unless otherwise specified, these specifications apply over the operating ambient temperatures of 0°C 85°C for the MC33164-3. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.) Parameter ... Page 4 ... MC33164-3/MC34164-3 GRAPH / CURVE INDEX Characteristic Curves FIGURE # 1. INPUT VOLTAGE vs. RESET OUTPUT VOLTAGE 2. POWER-UP RESET VOLTAGE 3. POWER-DOWN RESET VOLTAGE 4. RESET OUTPUT VOLTAGE vs. INPUT VOLTAGE HYSTERESIS 5. THRESHOLD VOLTAGE vs. TEMPERATURE 6. THRESHOLD HYSTERESIS vs. TEMPERATURE 7 ... Page 5 ... FIGURE 2. — POWER-UP RESET VOLTAGE 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 1.2 1.4 1.6 1.8 2.0 FIGURE 4. — RESET OUTPUT VOLTAGE vs. INPUT VOLTAGE 3.00 2.50 2.00 1.50 1.00 0.50 0 1.2 1.6 2.0 2.63 MC33164-3/MC34164 10kohms 25° RESET 0 0.4 0.8 1.2 1.6 (t) Time - (ms 82k 25°C A 2.65 2.67 2.69 2.71 ... Page 6 ... MC33164-3/MC34164-3 FIGURE 5. — THRESHOLD VOLTAGE vs. TEMPERATURE 2.800 2.775 2.750 2.725 V High Threshold Voltage T+ 2.700 2.675 V Low Threshold Voltage T- 2.650 2.625 2.600 2.575 2.550 -50 - Ambient Temperature - (°C) A FIGURE 7. — SUPPLY CURRENT vs. INPUT VOLTAGE ... Page 7 ... FIGURE 12. — CLAMP DIODE FORWARD VOLTAGE -1.6 -1.5 -1.4 -1.3 -1.2 -1.1 -1 -0.9 -0.8 -0.7 -0 100 MC33164-3/MC34164 vs. TEMPERATURE 1mA OUT - Ambient Temperature - (°C) A vs. FORWARD CURRENT -40°C 25°C 85° ... Page 8 ... MC33164-3/MC34164-3 FIGURE 13. — PROPAGATION DELAY — HIGH to LOW 25°C 3.5V A 2.4V 4.0 3.0 2.0 2.5 1.5 0 1.5 2 2.5 (t) Time - (µs) FIGURE 15. — MINIMUM OPERATING VOLTAGE OVER TEMPERATURE 1.000 V = Ramp Down IN 0.950 I = 250µA OUT 0 ... Page 9 ... FIGURE 17. — SWITCHING THE LOAD OFF WHEN R RESET Microprocessor Circuit C DLY DLY V IN FIGURE 20. — SOLAR POWERED BATTERY CHARGER 1.0k RESET V MC33164-3/MC34164 BATTERY REACHES BELOW 2.7V RESET 1.2V REF IN RESET 1.2V REF Load SOLAR CELLS 9 ...

MC33164-3_05 Summary of contents

Page 1
... The MC33164-3 and MC34164-3's RESET output is specified to be fully functional at VIN ≥ 1V. See Product Highlight below ...
Page 2
... MC33164-3/MC34164-3 ABSOLUTE MAXIMUM RATINGS Input Supply Voltage (V ) ............................................................................... -1V to 12V IN RESET Output Voltage (V ) ..................................................................................... 12V OUT Output Sink Current (I ) ............................................................ Internally Limited (mA) OL Clamp Diode Forward Current (I ), Pin 1 to pin 2 ............................................... 100mA F Operating Junction Temperature Plastic (DM Packages) .................................................................................. 150° ...
Page 3
... Note 3. Maximum junction temperature ratings must be observed. (Unless otherwise specified, these specifications apply over the operating ambient temperatures of 0°C 85°C for the MC33164-3. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.) Parameter ...
Page 4
... MC33164-3/MC34164-3 GRAPH / CURVE INDEX Characteristic Curves FIGURE # 1. INPUT VOLTAGE vs. RESET OUTPUT VOLTAGE 2. POWER-UP RESET VOLTAGE 3. POWER-DOWN RESET VOLTAGE 4. RESET OUTPUT VOLTAGE vs. INPUT VOLTAGE HYSTERESIS 5. THRESHOLD VOLTAGE vs. TEMPERATURE 6. THRESHOLD HYSTERESIS vs. TEMPERATURE 7 ...
Page 5
... FIGURE 2. — POWER-UP RESET VOLTAGE 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 1.2 1.4 1.6 1.8 2.0 FIGURE 4. — RESET OUTPUT VOLTAGE vs. INPUT VOLTAGE 3.00 2.50 2.00 1.50 1.00 0.50 0 1.2 1.6 2.0 2.63 MC33164-3/MC34164 10kohms 25° RESET 0 0.4 0.8 1.2 1.6 (t) Time - (ms 82k 25°C A 2.65 2.67 2.69 2.71 ...
Page 6
... MC33164-3/MC34164-3 FIGURE 5. — THRESHOLD VOLTAGE vs. TEMPERATURE 2.800 2.775 2.750 2.725 V High Threshold Voltage T+ 2.700 2.675 V Low Threshold Voltage T- 2.650 2.625 2.600 2.575 2.550 -50 - Ambient Temperature - (°C) A FIGURE 7. — SUPPLY CURRENT vs. INPUT VOLTAGE ...
Page 7
... FIGURE 12. — CLAMP DIODE FORWARD VOLTAGE -1.6 -1.5 -1.4 -1.3 -1.2 -1.1 -1 -0.9 -0.8 -0.7 -0 100 MC33164-3/MC34164 vs. TEMPERATURE 1mA OUT - Ambient Temperature - (°C) A vs. FORWARD CURRENT -40°C 25°C 85° ...
Page 8
... MC33164-3/MC34164-3 FIGURE 13. — PROPAGATION DELAY — HIGH to LOW 25°C 3.5V A 2.4V 4.0 3.0 2.0 2.5 1.5 0 1.5 2 2.5 (t) Time - (µs) FIGURE 15. — MINIMUM OPERATING VOLTAGE OVER TEMPERATURE 1.000 V = Ramp Down IN 0.950 I = 250µA OUT 0 ...
Page 9
... FIGURE 17. — SWITCHING THE LOAD OFF WHEN R RESET Microprocessor Circuit C DLY DLY V IN FIGURE 20. — SOLAR POWERED BATTERY CHARGER 1.0k RESET V MC33164-3/MC34164 BATTERY REACHES BELOW 2.7V RESET 1.2V REF IN RESET 1.2V REF Load SOLAR CELLS 9 ...

MC33164-3_05

MC33164-3_05

Related parts for MC33164-3_05

MC33164-3_05 Summary of contents

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