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CM431ABCS Datasheet(PDF) 9 Page - Champion Microelectronic Corp.

Part No. CM431ABCS
Description  LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR
Download  14 Pages
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Maker  CHAMP [Champion Microelectronic Corp.]
Homepage  http://www.champion-micro.com
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CM431ABCS Datasheet(HTML) 9 Page - Champion Microelectronic Corp.

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CM431A
LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR
2006/10/11 Rev1.2
Champion Microelectronic Corporation
Page 9
APPLICATION INFORMATION (continued)
V
V
Figure 8.Precision 5V, 1.5A Regulator
Figure 9. Precision Constant Current Sink
VO = (1 + R1/R2) × VREF
Min VO = VREF + 5V
Figure 10. Output Control of a Three-Terminal
Fixed Regulator
IOUT = (VREF/RCL) + IKA
R1 = VBATT/((IO/hFE) + IKA)
Figure 11. Precision Current Limiter
CM431A
LM317
8.2K
Ω
243
Ω
0.1%
VBATT
O = 5V/1.5A
BATT
IO =
V
/R
REF
S
Adjust
CM431A
R
243
Ω
S
0.1%
0.1%
V
I
R
BATT
IN
O
CL
0.1%
OUT
V
V
BATT
78L05
O
Common
R1
R1
CM431A
R2
CM431A


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