H431AM Datasheet, PDF (2/4 Pages) Hi-Sincerity Mocroelectronics – AJDUSTABLE SHUNT REGULATOR

HI-SINCERITY
MICROELECTRONICS CORP.
Functional Block Diagram & Symbol
Functional Block Diagram :
Cathode
Reference
VREF
+
-
Anode
Symbol :
Test Circuits
II
IN
IREF
VREF
VZ
IZ
II
IN
R1 _IREF
R2 ^VREF
VZ
IZ
Spec. No. : Preliminary Data
Issued Date : 1998.04.08
Revised Date : 2001.02.15
Page No. : 2/4
Cathode
Reference
Anode
IN
VZ
Fig1. Test Circuit for VZ=VREF
Fig 2. Test Circuit for VZ>VREF
Fig3. Test Circuit for Off-State
Note : VZ=VREF(1+R1/R2)+IREFxR1
Current
Electrical Characteristics ( Ta=25°C unless otherwise specified )
Characteristics
Symbol Test Conditions Min Typ Max Unit
Reference Input Voltage H431AM
2.445 2.495 2.545
H431BM
H431CM
V_REF V_KA=V_REF, I_K=10mA 2.470 2.495 2.520 V
2.480 2.495 2.510
Deviation of Reference Input Voltage
Over-Temperature
V_REF(dev)
V_KA=V_REF, I_K=10mA
T_min≤T_a≤T_max
-
4 17 mV
Ratio of Change in Reference Input
Voltage to the Change in Cathode
Voltage
∆V_REF /
∆V_KA
I_K=10mA,
∆V_KA=10V-V_REF
I_K=10mA,
∆K_KA=36V-10V
- -1.4 -2.7 mV
- -1.0 -2.0 V
Reference Input Current
I_REF
I_K=10mA, R₁=10kΩ,
R₂=∞
-
2
4 uA
Deviation of Reference Input Current
Over Full Temperature Range
I_REF(dev)
I_K=10mA, R₁=10kΩ,
R₂=∞, T_a=Full
Range
-
0.4 1.2 uA
Minimum Cathode Current for
Regulation
I_K(min) V_KA=V_REF
- 0.4 1.0 mA
Off-State Cathode Current
I_K(off) V_KA=36V, V_REF=0
- 0.1 1.0 uA
Dynamic impedance
Z_KA
V_KA=V_REF, f≤1.0KHz
I_K=1 to 100mA
-
0.2 0.5 Ω
H431AM, H431BM, H431CM
HSMC Product Specification