GM432_12 Datasheet, PDF (4/11 Pages) Gamma Microelectronics Inc. – 1.24V ADJUSTABLE PRECISION SHUNT REGULATORS

GM432
1.24V ADJUSTABLE PRECISION
SHUNT REGULATORS
Electrical Characteristics ^(TA ^{= 25°C unless otherwise specified)}
Parameter
Reference ^GM432A
Voltage
GM432B
V_REF Deviation over
Temperature
Symbol
Condition
V_REF
V_KA = V_REF, I_K = 10mA,
Test circuit 1
V_REF(DEV)
V_KA = V_REF, I_K = 10mA,
T_A = 0 to 70°C
Ratio of change in V_REF
to change in V_KA
ΔV_REF/ΔV_KA IK = 10mA ΔV_KA = 16V to V_REF
Reference Input Current
I_REF Deviation over
Temperature
Minimum Cathode
Current
Off-state cathode Current
Dynamic Impedance
I_REF
V_REF(DEV)
I_K(MIN)
I_K(OFF)
|Z_KA|
I_K = 10mA, R1 = 10K, R2 = ∞
Test circuit 2
I_K = 10mA, R1 = 10K, R2 = ∞
T_A =Full ^{range, Test circuit 2}
V_KA = V_REF
Test _{circuit 1}
V_KA = 6V, V_REF = 0V
Test _{circuit 3}
V_KA = 16V, V_REF = 0V
Test _{circuit 3}
V_KA = V_REF, I_K = 1mA to 10mA,
f ≤1kHz, Test circuit 1
Min
1.234
1.228
-2.7
Typ
1.240
1.240
10
-1.0
0.15
0.1
20
0.125
0.135
0.05
Max
1.246
1.252
Unit
V
25 mV
mV/V
0.5
µA
0.4
µA
80
µA
0.150
µA
0.150
0.15
Ω
Test Circuits
V_IN
V_KA
V_IN
V_KA
V_IN
I_K
V_REF
R1
I_K
V_REF
I_REF
R2
V_REF
V_KA
I_K(OFF)
Test Circuit 1
V_KA = V_REF
Test Circuit 2
V_KA > V_REF
Test Circuit 3
Off-State
4