參數(shù)資料
型號: TL1431MJG
廠商: TEXAS INSTRUMENTS INC
元件分類: 基準電壓源/電流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, CDIP8
封裝: CERAMIC, DIP-8
文件頁數(shù): 6/29頁
文件大?。?/td> 704K
代理商: TL1431MJG
www.ti.com
+
TL1431
12 V
6.8 k
5 V +0.5%
10 k
10 k
0.1%
10 k
0.1%
VCC
X
Not
Used
TL598
Feedback
V(BATT)
R3
R4
R1A
R2A
R1B
R2B
TL1431
Low Limit + 1 )
R1B
R2B
V
I(ref)
High Limit + 1 )
R1A
R2A
V
I(ref)
LED on When
Low Limit < V(BATT) < High Limit
TL1431
12 V
680
2 k
R
Off
On
C
Delay + R
C
I
12 V
(12 V) * V
I(ref)
V(BATT)
TL1431
IO
RS
0.1%
I
O +
V
I(ref)
R
S
V(BATT)
R1
RCL 0.1%
TL1431
I
O +
V
I(ref)
R
CL
) IKA
IO
R1 +
V
(BATT)
I
O
h
FE
) IKA
PRECISION PROGRAMMABLE REFERENCE
SLVS062L – DECEMBER 1991 – REVISED OCTOBER 2007
Figure 24. PWM Converter With 0.5% Reference
Figure 26. Delay Timer
A.
Select R3 and R4 to provide the desired
LED intensity and cathode current
≥1 mA to
the TL1431.
Figure 25. Voltage Monitor
Figure 27. Precision Current Limiter
Figure 28. Precision Constant-Current Sink
14
Copyright 1991–2007, Texas Instruments Incorporated
Product Folder Link(s): TL1431
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