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ABSOLUTE MAXIMUM RATINGS
Cathode-Anode Reverse Breakdown V KA ....................................... 20V
Anode-Cathode Forward Current, (<10ms) I AK ................................. 1A
Operating Cathode Current I KA .................................................... 80mA
Reference Input Current I REF .......................................................... 1mA
Continuous Power Dissipation at 25 ° C P D
TO-92 ..................................................................... 775mW
SOT-23 .................................................................. 200 mW
SOIC-8 .................................................................... 750mW
Junction Temperature T J ........................................................... 150 ° C
Storage Temperature T STG .......................................... -65 ° C to 150 ° C
Lead Temperature (Soldering 10 sec.) T L .................................. 300 ° C
Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only
and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not
implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
RECOMMENDED CONDITIONS
TYPICAL THERMAL RESISTANCES
PARAMETER
SYMBOL
RATING
UNIT
PACKAGE
0 JA
0 JC
TYPICAL
Cathode Voltage
V KA
V REF to 18
V
DERATING
Cathode Current
I K
10
mA
TO-92
160 ° C/W
80 ° C/W
6.3mW/ ° C
SOT-23
575 ° C/W 150 ° C/W
1.7 mW/ ° C
SOIC-8
175 ° C/W
45 ° C/W
5.7mW/ ° C
Typical deratings of the thermal resistances are given for ambient
temperature >25 ° C.
ELECTRICAL CHARACTERISTICS
Electrical characteristics are guaranted over the full junction temperature range (0 ° C to 105 ° C). Ambient temperature must
be derated based upon power dissipation and package thermal characteristics. Unless otherwise specified, test conditions are:
V KA = V REF and I K = 10mA.
PARAMETER
SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
CIRCUIT
SPX432A
SPX432
Output Voltage
Temperature Deviation
Line Regulation
Load Regulation
Reference Input Current
Reference Input Current
V REF
V REF
V REF
V REF
I REF
I REF
3a
3a
3b
3a
3b
3b
0 < T J < 105 ° C
V KA = 1.25V to 15V
I K = 1mA to 80mA
0 < T J < 105 ° C,
1.2338
1.240
12
19
12
3
0.3
1.2462
20
37
30
6
0.6
1.2276
1.240
12
19
12
3
0.3
1.2524
20
37
30
6
0.6
V
mV
mV
mV
μ A
μ A
Temperature Coefficient
Minimim Cathode
I K(MIN)
3a
0.6
1
0.6
1
mA
Current for Regulation
Off State Leakage
I K(MIN)
3c
V REF = 0V,
0.04
500
0.04
500
nA
V KA = 18V
Date: 12/ 11 /04
SPX432 1.24V Precision Adjustable Shunt Regulator
2
? Copyright 2004 Sipex Corporation
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