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A Product Line of
Diodes Incorporated
ZTL431/ZTL432
Absolute Maximum Ratings (Voltages specified are relative to the ANODE pin unless otherwise stated.)
Parameter
Cathode Voltage (V KA )
Continuous Cathode Current (I KA )
Reference Input Current Range (I REF )
Operating Junction Temperature
Storage Temperature
Rating
20
150
-50μA to +10mA
-40 to +150
-55 to +150
Unit
V
mA
°C
°C
Operation above the absolute maximum rating may cause device failure.
Operation at the absolute maximum ratings, for extended periods, may reduce device reliability.
Package Thermal Data
Package
SOT23
SOT23F
SOT25
SOT363
? JA
380°C/W
138°C/W
250°C/W
380°C/W
P DIS
T A = +25°C, T J = +150°C
330mW
900mW
500mW
330mW
Recommended Operating Conditions (@T A = +25°C, unless otherwise specified.)
Symbol
V KA
I KA
T A
Parameter
Cathode Voltage
Cathode Current
Operating Ambient Temperature Range
Min
V REF
1
-40
Max
20
100
+125
Unit
V
mA
°C
Electrical Characteristics
(@T A = +25°C, unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V REF
V DEV
? V REF
? V KA
Reference Voltage
Deviation of Reference Voltage Over Full
Temperature Range
Ratio of Change In Reference Voltage
To the Change In Cathode Voltage
V KA = V REF
I KA = 10mA
V KA = V REF
I KA = 10 mA
I KA = 10mA
ZTL43_A
ZTL43_B
T A = 0 to 70°
T A = -40 to 85°C
T A = -40 to 125°C
V KA = V REF to 10
V KA = 10V to 20V
2.475
2.487
2.5
2.5
6
14
14
-1.4
-1.0
2.525
2.513
16
34
34
-2.7
-2.0
V
mV
mV/V
I REF
Reference Input Current
I KA = 10mA, R1 = 10 k ? , R 2 = OC
T A = 0 to 70°C
I KA = 10mA
2
0.8
4
1.2
μA
? I REF
I KA(MIN)
I KA(OFF)
R Z
I REF Deviation Over Full Temperature Range
Minimum Cathode Current for Regulation
Off State Current
Dynamic Output Impedance
R 1 = 10k ?
R 2 = OC
V KA = V REF
V KA = 20V, V REF =
0V
V KA = V REF , f = 0Hz
T A = -40 to 85°C
T A = -40 to 125°C
0.8
0.8
0.4
0.1
0.2
2.5
2.5
0.6
0.5
0.5
μA
mA
μA
?
ZTL431/ZTL432
Document number: DS33263 Rev. 16 - 2
2 of 10
www.diodes.com
May 2013
? Diodes Incorporated
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