TL431S5 Datasheet, PDF (2/8 Pages) Cystech Electonics Corp. – Adjustable Precision Shunt Regulators

CYStech Electronics Corp.
Spec. No. : C502S5
Issued Date : 2013.10.30
Revised Date : 2013.11.27
Page No. : 2/ 8
Absolute Maximum Ratings
(Operating temperature range applies unless otherwise specified)
Characteristics
Cathode Voltage
Cathode Current Range (Continuous)
Reference Input Current Range
Power Dissipation
Thermal Resistance, Junction to Ambient
Operating Temperature Range
Junction Temperature Range
Storage Temperature Range
Symbol
VKA
IK
IREF
PD
RθJA
Topr
Tj
Tstg
Value
37
-100~+150
0.05~+10
200
625
-40~+125
-65~+150
-65~+150
Unit
V
mA
mA
mW
°C/W
°C
°C
°C
Functional Block Diagram
Functional Block Diagram :
Cathode
Reference
+
-
VREF
Anode
& Symbol
Symbol :
Cathode
Reference
Anode
Test Circuits
II
II
IN
VZ
IN
VZ
IN
VZ
IREF
IZ
VREF
R1 _IREF
IZ
R2 ^VREF
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
TL431S5
CYStek Product Specification