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MC33164 Datasheet

5V UNDERVOLTAGE SENSING CIRCUIT

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T H E I N F I N I T E P O W E R O F I N N O VAT I O N
L I N DO C #: 33164
MC33164/MC34164
5V UNDERVOLTAGE SENSING CIRCUIT
PR O D U C T I O N D ATA S H E E T
DESCRIPTION
The MC33164 and the MC34164 are
micropower undervoltage sensing
circuits ideal for use in low-power
battery applications, computer
peripheral, consumer, appliance and
automotive equipment. The device
offers a 1.2V temperature compensated
bandgap reference, a precision
comparator with hysteresis and a high
current open collector output. This
device operates from 1 to 10V input
supply and drains <10µA in the non-
fault condition and trip level of 4.33V.
Both devices are available in an
8-pin, 150mil SOIC package and a
plastic TO-92 package. The MC33164 is
rated from -40°C to 85°C and the
MC34164 from 0°C to 70°C.
PRODUCT HIGHLIGHT
LOW-VOLTAGE MICROPROCESSOR RESET
POWER
SUPPLY
2
R
1 RESET MICROPROCESSOR
CIRCUIT
CDLY
KEY FEATURES
s LOW STANDBY CURRENT
s TEMPERATURE COMPENSATED BANDGAP
REFERENCE
s PRECISION COMPARATOR WITH 50MV OF
HYSTERESIS
s CLAMP DIODE FOR DISCHARGING DELAY
CAPACITOR
s OUTPUT CURRENT SINK CAPABILITY FROM
7 TO 50MA
s 1-10V INPUT SUPPLY RANGE
s AVAILABLE IN 150MIL, 8-PIN SOIC AND
PLASTIC TO-92 PACKAGES
s PIN-FOR-PIN COMPATIBLE WITH MC33164/
34164
APPLICATIONS
s µPOWER RESET GENERATOR
s 5V VOLTAGE MONITOR
s BATTERY-LEVEL DETECTOR
1.2 VREF
3
Copyright © 1997
Rev. 1.5 11/97
PA C K A G E O R D E R I N F O R M AT I O N
TA (°C)
DM
Plastic
8-pin
SOIC
LP
Plastic
3-pin
TO-92
0 to 70
MC34164DM
MC34164LP
-40 to 85
MC33164DM
MC33164LP
Note: All surface-mount packages are available in Tape & Reel.
Append the letter "T" to part number. (i.e. MC34164DMT)
FOR FURTHER INFORMATION CALL (714) 898-8121
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841
1


  Microsemi Electronic Components Datasheet  

MC33164 Datasheet

5V UNDERVOLTAGE SENSING CIRCUIT

No Preview Available !

PRODUCT DATABOOK 1996/1997
MC33164/MC34164
5V UNDERVOLTAGE SENSING CIRCUIT
PRODUCTION DATA SHEET
A B S O L U T E M A X I M U M R AT I N G S (Note 1)
Input Supply Voltage (VIN)............................................................................... -1V to 12V
RESET Output Voltage (VOUT) .......................................................................... -1V to 12V
Clamp Diode Forward Current .............................................................................. 100mA
Operating Junction Temperature
Plastic (DM - Package) ......................................................................................... 150°C
Storage Temperature Range ...................................................................... -65°C to 150°C
Lead Temperature (Soldering, 10 seconds) ............................................................ 300°C
Note 1. Values beyond which damage may occur. All voltages are specified with respect to
ground, and all currents are positive into the specified terminal.
T H E R M A L D ATA
DM PACKAGE:
THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA
LP PACKAGE:
165°C/W
THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA
156°C/W
Junction Temperature Calculation:
T
J
=
T
A
+
(P
D
x
θJA).
The θJA numbers are guidelines for the thermal performance of the device/pc-board system.
All of the above assume no ambient airflow.
PACKAGE PIN OUTS
RESET
INPUT
N.C.
GROUND
18
27
36
45
N.C.
N.C.
N.C.
N.C.
DM PACKAGE
(Top View)
3. GROUND
2. INPUT
1. RESET
LP PACKAGE
(Top View)
BLOCK DIAGRAM
INPUT
2(2)
RESET
1(1)
1.2 VREF
4(3)
GROUND
2 Copyright © 1997
Rev. 1.5 11/97


Part Number MC33164
Description 5V UNDERVOLTAGE SENSING CIRCUIT
Maker Microsemi
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MC33164 Datasheet PDF






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