APL431 Datasheet, PDF (3/16 Pages) Anpec Electronics Coropration – Adjustable Precision Shunt Regulator

APL431
Electrical Characteristics (Cont.) T_A= 25°C ( unless otherwise noted)
Symbol
V_REF
∆V_REF / T
∆V_REF / ∆V_KA
I_REF
∆I_REF/T
I_K(min)
I_K(off)
|Z_KA|
I_K
Parameter
Test Conditions
Reference voltage
V_KA=V_REF,
I_K=10mA*¹
APL431A
APL431B
APL431C
Reference voltage
drift over temp. range
V_KA=V_REF,I_K=10mA
T_A =0 to 70°C*¹
T_A =-40 to 85°C*¹
Voltage ratio (open
loop gain)
I_K=10mA, V_KA=V_REF to 10V^*2
I_K=10mA, V_KA=V_REF to 20V^*2
Reference current
I_K=10mA,
R₁=10kΩ, R₂=open^*2
Reference current
drift
I_K=10mA, R₁=10kΩ,
R₂=open, T_A= -40 to 85°C^*2
Min. cathode current V_KA=V_REF*1
Off-state cathode
current
V_KA= 20V, V_REF= 0V^*3
Dynamic impedance
Cathode current
V_KA=V_REF
I_K=1mA to 100mA, f ≤1kHz^*1
V_KA=V_REF+ 50mV^*2
Min.
2.487
2.475
2.450
APL431
Typ.
2.500
2.500
2.500
-1.5
-1.2
1.0
0.3
0.25
0.1
0.1
Max.
2.513
2.525
2.550
20
30
-3
-2.5
3
1
0.5
1
0.4
100
Notes :
*1 : use Figure 1
*2 : use Figure 2
*3 : use Figure 3
Unit
V
mV
mV/V
µA
µA
mA
µA
Ω
mA
Copyright  ANPEC Electronics Corp.
3
Rev. C.1 - Jun., 2003
www.anpec.com.tw