
PROGRAMMABLE PRECISION SHUNT REGULATOR
TL431/A /C
PROGRAMMABLE PRECISION REFERENCES
The TL431 is three-terminal adjustable shunt regulator
with specified termal stability.
The output voltage may be set to any value between
V
REF
(Approx. 2.5V) and 36V with two external resistors.
This device has a typical output inpedance of 0.2
•
.
Active output circuitry provides a very sharp turn-on
characteristic, making this device excellent
replacement for zener diodes in many application.
FEATURES
•
Equivalent Full Range Temperature Coefficient 50PPM/
•
•
Temperature Compensated For Operation Over
ORDERING INFORMATION
Full Rate Operating Temperature Range
•
Adjustable Output Voltage
TL431
•
Fast Turn-on Response
TL431-A
•
Sink Current Capability 1
•
to 100
•
TL431-C
•
Low (0.2
•
Typ.) Dynamic Output Impedance
TL431F
•
Low Output Noise
TL431-AF
TL431-CF
FUNCTION BLOCK DIAGRAM
HTC
TL431
TL431-A
TL431-C
4N
SOT-89
TO-92
Package
Device
4A
4C
Marking
For more information, or to purchase call E.C.C. Inc @ 1-800-214-8769
2.5V
REF
BLOCK DIAGRAM
REFERENCE
CATHODE
ANODE
REFERENCE(R)
ANODE(A)
CATHODE(K)
1. REF
2. ANODE
3. CATHODE
TO-92 PKG (TOP VIEW)
3. CATHODE
2. ANODE
1. REF
1 2
SOT-89 PKG (FRONT VIEW)
1. REF
2. ANODE
3. CATHODE
JBL
150P / 230V Service Manual
Page 35 of 50
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