ELM0431BA 2.5V Programable shunt regulator
■Electrical characteristics
Vka=Vref, Ik=10mA, Top=25°C, unless otherwise stated
Condition Min. Typ. Max.
2.470 2.495 2.520
Parameter
Symbol
Vref
Unit Note
Reference voltage
V
1
Reference voltage
with temperature
ΔVref/
ΔTop
0.07
0.20 mV/°C
1
Vref to 10V
10V to 30V
-2.7
-2.0
-1.0
-0.4
0.7
0.4
0.4
Ration of change in
Vref to cathode voltage
Vref/
Vin
Iref
mV/V
0.3
2
Reference input current
Iref temperature deviation
Min. Ik for regulation
Stand-by current
Dynamic output impedance
Note : test circuit No.
4.0
1.2
μA
μA
mA
nA
Ω
2
2
1
3
1
ΔIref Ta=-20 to 85°C
Ik(min)
Istandby Vref=0V, Vka=30V
Zout f≤1kHz, Ik=1 to 100mA
1.0
0.04
0.25
250
0.50
■Test circuits
Vin
Vka
Vin
Vka
Iref
Ik
R1
Ik
Iref
Vref
R2
Test circuit 1 : Vka=Vref
Test circuit 2 : Vka>Vref
Vin
Vka
Ik(off)
Test circuit 3 : Off state current
Rev.1.1
4 - 3
ELM [ ELM ELECTRONICS ]
