Microsemi Corporation MC34164DM, MC34164LP, MC33164LP, MC33164DM Datasheet
5V UNDERVOLTAGE SENSING CIRCUIT
P RODUCTION DAT A SHEET
THE INFINITE POWER OF INNOVATION
Copyright © 1997
Rev. 1.5 11/97
FOR FURTHER INFORMATION CALL (714) 898-8121
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841
MC33164/MC34164
LIN DOC #:
33164
1
PACKAGE ORDER INFORMATION
T
A
(°C)
Plastic SOIC
8-pin
0 to 70 MC34164DM MC34164LP
-40 to 85 MC33164DM MC33164LP
DM
Plastic TO-92
3-pin
LP
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
KEY FEATURES
■ LOW STANDBY CURRENT
■ TEMPERATURE COMPENSATED BANDGAP
REFERENCE
■ PRECISION COMPARATOR WITH 50MV OF
HYSTERESIS
■ CLAMP DIODE FOR DISCHARGING DELAY
CAPACITOR
■ OUTPUT CURRENT SINK CAPABILITY FROM
7 TO 50MA
■ 1-10V INPUT SUPPLY RANGE
■ AVAILABLE IN 150MIL, 8-PIN SOIC AND
PLASTIC TO-92 PACKAGES
■ PIN-FOR-PIN COMPATIBLE WITH MC33164/
34164
Note: All surface-mount packages are available in Tape & Reel.
Append the letter "T" to part number. (i.e. MC34164DMT)
PRODUCT HIGHLIGHT
LOW-VOLTAGE MICROPROCESSOR RESET
APPLICATIONS
■ µPOWER RESET GENERATOR
■ 5V VOLTAGE MONITOR
■ BATTERY-LEVEL DETECTOR
current open collector output. This
device operates from 1 to 10V input
supply and drains <10µA in the nonfault 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.
POWER
SUPPLY
1.2 V
REF
MICROPROCESSOR
CIRCUIT
RESET
C
DLY
R
2
1
3
5V U
NDERVOLTAGE SENSING CIRCUIT
MC33164/MC34164
PRODUCT DATABOOK 1996/1997
Copyright © 1997
Rev. 1.5 11/97
2
P
RODUCTION DATA SHEET
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN)............................................................................... -1V to 12V
RESET Output Voltage (V
OUT
) .......................................................................... -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
PACKAGE PIN OUTS
RESET
INPUT
N.C.
GROUND
N.C.
N.C.
N.C.
N.C.
DM PACKAGE
(Top View)
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.
DM PACKAGE:
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
θθ
θθ
θ
JA
165°C/W
LP PACKAGE:
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
θθ
θθ
θ
JA
156°C/W
Junction Temperature Calculation: TJ = TA + (P
D
x θ
JA
).
The θ
JA
numbers are guidelines for the thermal performance of the device/pc-board system.
All of the above assume no ambient airflow.
THERMAL DATA
BLOCK DIAGRAM
LP PACKAGE
(Top View)
3. GROUND
2. INPUT
1. RESET
1.2 V
REF
INPUT
RESET
GROUND
2(2)
1(1)
4(3)
1 8
2 7
3 6
4 5
5V UNDERVOLTAGE SENSING CIRCUIT
MC33164/MC34164
PRODUCT DATABOOK 1996/1997
3
Copyright © 1997
Rev. 1.5 11/97
P RODUCTION DATA SHEET
Input Supply Voltage
RESET Output Voltage
Clamp Diode Forward Current
Operating Ambient Temperature Range:
MC34164 T
A
MC33164 T
A
RECOMMENDED OPERATING CONDITIONS (Note 2)
Parameter
Symbol
Units
Recommended Operating Conditions
Min. Typ. Max.
110V
10 V
50 mA
070°C
-40 85 °C
Note 2. Range over which the device is guaranteed functional.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures of 0°C ≤ TA ≤ 70°C for the MC34164 and -40°C ≤ TA ≤ 85°C
for the MC33164. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.)
Parameter
Symbol
Test Conditions Units
Comparator Section
4.15 4.33 4.45 V
4.15 4.27 4.45 V
0.02 0.06 V
Threshold Voltage
High-State Output VIHVIN Increasing
Low-State Output V
IL
VIN Decreasing
Hysteresis V
H
0.05 0.40 V
0.06 0.30 V
7.0 50 mA
0.5 µA
2.0 µA
0.6 1.2 V
Output Sink Saturation V
OLVIN
= 4.0V, I
SINK
= 1.0mA
VIN = 1.0V, I
SINK
= 0.25mA
Output Sink Current I
SINKVIN
, RESET = 4.0V
Output Off-State Leakage VIN , RESET = 5.0V
V
IN
, RESET = 10V
Clamp Diode Forward Voltage VFPin 1 to pin 2, (IF = 5.0mA)
RESET Output Section
MC33164 / MC34164
Min. Typ. Max.
Total Device
1.0 10 V
10 20 µA
19 50 µA
Operating Input Voltage Range V
IN
Quiescent Input Current I
IN
VIN = 5.0V
VIN = 10V
Loading...