RS432 Datasheet, PDF (3/10 Pages) Orister Corporation – Adjustable Precision Shunt Regulator

Block Diagram
Functional Block Diagram
Symbol
Cathode
Page No. : 3/10
Reference
Anode
Absolute Maximum Ratings (Operating temperature range applies unless otherwise specified)
Characteristics
Symbol
Value
Unit
Cathode Voltage
V_KA
18
V
Cathode Current Range (Continuous)
I_K
20
mA
Reference Input Current Range
I_REF
10
mA
SOT‐23
370
Power Dissipation
SOT‐89
P_D
TO‐92
770
mW
770
Operating Temperature Range (Max.)
T_OPR
Storage Temperature Range
T_STG
‐‐
‐‐
‐40 ‐ +125
o_C
‐65 ‐ +150
o_C
Operating Conditions
Characteristics
Cathode Voltage
Cathode Current Range (Continuous)
Operating Ambient Temperature Range
Symbol
V_KA
I_K
T_OPR
Min.
V_REF
0.1
‐40
Max.
Unit
16
V
20
mA
125
o_C
Electrical Characteristics (T_A=25°C, unless otherwise specified)
Characteristics
1.24V ±2.0%
1.24V ±1.0%
Reference Input Voltage (Fig1)
1.24V ±0.5%
1.25V ±2.0%
1.25V ±1.0%
1.25V ±0.5%
Ratio of Change in Reference Input Voltage to the
Change in Cathode Voltage (Fig2)
Reference Input Current (Fig2)
Minimum Cathode Current for Regulation (Fig1)
Off‐State Cathode Current (Fig3)
Dynamic Output Impedance (Fig1)
Symbol
Test Conditions
V_REF V_K=V_REF, I_K=10mA
ΔV_REF/ΔV_K I_K=10mA,, ΔV_K=18V to V_REF
I_REF
I_K(min)
I_K(off)
Z_K
I_K=10mA, R1=10KΩ, R2=∞
V_K=V_REF
V_K=6V, V_REF=0
V_K=16V, V_REF=0
V_K=V_REF, f≤1kHz, I_K=100uA to
20mA
Min Typ Max Unit
1.215 1.24 1.265
1.228 1.24 1.252
1.234 1.24 1.246
V
1.225 1.25 1.275
1.238 1.25 1.262
1.244 1.25 1.256
‐
1.0 2.7 mV/V
‐
0.15 0.5 uA
‐
20
80 uA
‐
0.01 0.05
uA
0.04 0.15
‐
0.2
0.4
Ω
DS‐RS432‐07 September, 2009
www.Orister.com