CM431A Datasheet, PDF (5/14 Pages) List of Unclassifed Manufacturers – LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR

CM431A
LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, these specifications apply over the operating ambient temperatures with T_A = 25°C.
Parameter
Symbol
Test Conditions
Min
I_K = 10mA, V_KA = V_REF ,0.5%
2.488
Reference Input Voltage
V_REF I_K = 10mA, V_KA = V_REF ,1.0%
2.475
Reference Drift
I_K = 10mA, V_KA = V_REF ,1.5%
I_K = 10mA, V_KA = V_REF, 0^OC ≤ T_A ≤ 70 ^OC
2.463
Voltage Ratio, Ref to Cathode
(note 4)
I_K = 10mA, V_KA = 2.5V to 18V
Reference Input Current
I_REF
I_K = 10mA,V_KA = V_REF
I_K = 10mA,V_KA = V_REF, 0^OC ≤ T_A ≤ 70 ^OC
Minimum Operating Current
I_MIN
V_KA = V_REF
Off-State Cathode Current
I_OFF V_KA = 18V, V_REF = 0V
Dynamic Impedance
|Z_KA |
V_KA = V_REF, I_K = 1mA to 100mA,
f ≤ 1kHz
Note 3: These parameters are guaranteed by design
Note 4:
V_REF
V_KA
Ratio of change in reference input voltage to the change in cathode voltage
CM431A
Typ
2.5
2.5
2.5
4
-1.4
2
0.4
0.1
0.2
Max
2.512
2.525
2.537
17
-2.7
4
2.3
1
1
0.5
Units
V
V
V
mV
mV/V
µA
mA
µA
Ω
2004/08/27
Champion Microelectronic Corporation
Page 5