TL431SKA3 Datasheet, PDF (2/9 Pages) Cystech Electonics Corp. – Adjustable Precision Shunt Regulators

CYStech Electronics Corp.
Spec. No. : C111A3
Issued Date : 2015.09.18
Revised Date :
Page No. : 2/ 9
Absolute Maximum Ratings (Over operating free-air temperature range, unless otherwise specified)
Characteristics
Symbol
Value
Unit
Cathode Voltage
VKA
40
V
Cathode Current Range (Continuous)
IK
-100~+150
mA
Reference Input Current Range
IREF
-0.05~+10
mA
Power Dissipation
TA=25°C
TC=25°C
0.6
PD
W
1.2
Operating Free-air Temperature Range
Tj
-40~+125
°C
Lead Temperature (1.6mm aside from the case, 10s)
TL
260
°C
ESD(HBM)
VESD
2500
V
Storage Temperature Range
Tstg
-65~+150
°C
Thermal Data
Parameter
Thermal Resistance, Junction-to-ambient, max
Thermal Resistance, Junction-to-case, max
Symbol
Rth,j-a
Rth,j-c
Functional Block Diagram
Functional Block Diagram :
Cathode
Reference
VREF
+
-
Anode
& Symbol
Symbol :
Value
167
83
Unit
°C/W
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
TL431SKA3
Fig 2. Test Circuit for VZ>VREF
Fig3. Test Circuit for Off-State
Note : VZ=VREF(1+R1/R2)+IREFxR1
Current
CYStek Product Specification