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T1431QPW Datasheet

  • T1431QPW

  • PRECISION PROGRAMMABLE REFERENCE

  • 24頁

  • TI

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TL1431
PRECISION PROGRAMMABLE REFERENCE
www.ti.com
SLVS062K 鈥?DECEMBER 1991 鈥?REVISED OCTOBER 2006
FEATURES
鈥?/div>
鈥?/div>
鈥?/div>
0.4% Initial Voltage Tolerance
0.2-鈩?Typical Output Impedance
Fast Turnon鈥?00 ns
D PACKAGE
(TOP VIEW)
鈥?/div>
鈥?/div>
鈥?/div>
Sink Current Capability鈥? mA to 100 mA
Low Reference Current (REF)
Adjustable Output Voltage鈥
I(ref)
to 36 V
JG OR PW PACKAGE
(TOP VIEW)
3
4
6
5
3
4
6
5
NC 鈥?No internal connection
ANODE terminals are connected internally
.
NC 鈥?No internal connection
KTP PACKAGE
(TOP VIEW)
LP PACKAGE
(TOP VIEW)
NC
NC
NC
NC
NC
4
5
6
7
3 2 1 20 19
18
17
16
NC
CATHODE
NC
REF
NC
15
14
8
9 10 11 12 13
CATHODE
ANODE
ANODE
NC
1
2
8
7
REF
ANODE
ANODE
NC
CATHODE
NC
NC
NC
1
2
8
7
REF
NC
ANODE
NC
FK PACKAGE
(TOP VIEW)
NC
NC
NC
ANODE
NC
ANODE
CATHODE
ANODE
REF
CATHODE
ANODE
REF
DESCRIPTION/ORDERING INFORMATION
The TL1431 is a precision programmable reference with specified thermal stability over automotive, commercial,
and military temperature ranges. The output voltage can be set to any value between V
I(ref)
(approximately
2.5 V) and 36 V with two external resistors (see
Figure 16).
This device has a typical output impedance of 0.2
鈩?
Active output circuitry provides a very sharp turnon characteristic, making the device an excellent replacement
for Zener diodes and other types of references in applications such as onboard regulation, adjustable power
supplies, and switching power supplies.
The TL1431C is characterized for operation over the commercial temperature range of 0擄C to 70擄C. The
TL1431Q is characterized for operation over the full automotive temperature range of 鈥?0擄C to 125擄C. The
TL1431M is characterized for operation over the full military temperature range of 鈥?5擄C to 125擄C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerFLEX is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 1991鈥?006, Texas Instruments Incorporated
NC
NC
NC
NC
NC

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