參數(shù)資料
型號(hào): TL1431CDG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO8
封裝: GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁數(shù): 4/29頁
文件大?。?/td> 704K
代理商: TL1431CDG4
www.ti.com
APPLICATION INFORMATION
V(BATT)
R
R1
0.1%
R2
0.1%
VI(ref)
VO
TL1431
V
O +
1 )
R1
R2
V
I(ref)
V(BATT)
VO
Input
Von ≈ 2 V
Voff ≈ V(BATT)
TL1431
VIT = 2.5 V
GND
PRECISION PROGRAMMABLE REFERENCE
SLVS062L – DECEMBER 1991 – REVISED OCTOBER 2007
Table of Application Circuits
APPLICATION
FIGURE
Shunt regulator
16
Single-supply comparator with temperature-compensated threshold
17
Precision high-current series regulator
18
Output control of a three-terminal fixed regulator
19
Higher-current shunt regulator
20
Crowbar
21
Precision 5-V, 1.5-A, 0.5% regulator
22
5-V precision regulator
23
PWM converter with 0.5% reference
24
Voltage monitor
25
Delay timer
26
Precision current limiter
27
Precision constant-current sink
28
Figure 17. Single-Supply Comparator With
A.
R should provide cathode current
≥1 mA to
Temperature-Compensated Threshold
the TL1431 at minimum V(BATT).
Figure 16. Shunt Regulator
12
Copyright 1991–2007, Texas Instruments Incorporated
Product Folder Link(s): TL1431
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