TL431
Programmable Voltage Reference
■ Adjustable output voltage: 2.5 to 36V
■ Sink current capability: 1 to 100mA
■ Typical output impedance: 0.22Ω
■ 1% and 2% voltage precision
Z
TO92
(Plastic Package)
Description
The TL431 is a programmable shunt voltage
reference with guaranteed temperature stability
over the entire temperature range of operation.
The output voltage may be set to any value
between 2.5V and 36V with two external resistors.
D
SO-8
(Plastic Micropackage)
The TL431 operates with a wide current range
from 1 to 100mA with a typical dynamic
impedance of 0.22Ω.
Order Codes
Temperature
Part Number
Range
Package
SO-8
Packing
Marking
TL431CD/CDT
431C
431AC
TL431C
TL431AC
431I
TL431ACD/ACDT
0, +70°C
TL431CZ/CZT/CZ-AP
TO92
TL431ACZ/ACZT/ACZ-AP
TL431ID/IDT
SO-8
Tube or Tape & Reel
TL431AID/AIDT
431AI
TL431IZ/IZT/IZ-AP
-40, + 105°C
TL431I
TL431AI
431IY
TO92
TL431AIZ/AIZT/AIZ-AP
TL431IYD/IYDT
SO-8 (automotive grade level)
TL431AIYD/AIYDT
431AIY
Rev 2
1/13
November 2005
www.st.com
13
STMICROELECTRONICS [ ST ]
