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| TL432 Datasheet, PDF (2/6 Pages) HTC Korea TAEJIN Technology Co. – Low Voltage(1.24V) Adjustable Precision Shunt Regulator | |||
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Functional Block Diagram & Symbol
Functional Block Diagram
Symbol
TL432 Series
Cathode
Test Circuits
Fig 1. VK=VREF
II
IN
IREF
VREF
Reference
Anode
VK
IK
Fig 2. VK>VREF
II
IN
R1
IREF
R2
VREF
VK
IK
Fig 3. Off-State Current
IN
VK
IOFF
Note: VK=VREF (1+R1/R2)+IREFxR1
Electrical Characteristics (TA=25oC unless otherwise specified)
Characteristics
1.24V±2.0%
1.24V±1.0%
ReferenceInputVoltage(Fig1)
1.24V±0.5%
1.25V±2.0%
1.25V±1.0%
1.25V±0.5%
RatioofChangeinReferenceInputVoltagetothe
ChangeinCathodeVoltage(Fig2)
ReferenceInputCurrent(Fig2)
MinimumCathodeCurrentforRegulation(Fig1)
OffͲStateCathodeCurrent(Fig3)
DynamicOutputImpedance(Fig1)
Symbol
TestConditions
VREF VK=VREF,IK=10mA
'VREF/'VK IK=10mA,,'VK=18VtoVREF
IREF
IK(min)
IK(off)
ZK
IK=10mA,R1=10KÉ,R2=Ñ
VK=VREF
VK=6V,VREF=0
VK=16V,VREF=0
VK=VREF,fd1kHz,IK=100uAto
20mA
Min
1.215
1.228
1.234
1.225
1.238
1.244
Ͳ
Ͳ
Ͳ
Ͳ
Ͳ
Typ
1.24
1.24
1.24
1.25
1.25
1.25
1.0
0.15
20
0.01
0.04
0.2
Max Unit
1.265
1.252
1.246 V
1.275
1.262
1.256
2.7 mV/V
0.5 uA
80 uA
0.05 uA
0.15
0.4 É
CTC-IC-0003-VER1.0
2/6
TL432
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