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| CM431A Datasheet, PDF (9/14 Pages) List of Unclassifed Manufacturers – LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR | |||
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CM431A
LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR
APPLICATION INFORMATION (continued)
VBATT
8.2Kâ¦
LM317
Adjust
VO = 5V/1.5A
243â¦
0.1%
CM431A
243â¦
0.1%
VBATT
CM431A
IO =
VREF/RS
RS
0.1%
Figure 8.Precision 5V, 1.5A Regulator
Figure 9. Precision Constant Current Sink
VBATT
IN
OUT
78L05
VO
Common
R1
CM431A
R2
VBATT
R1
RCL
IO
0.1%
CM431A
VO = (1 + R1/R2) Ã 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
2004/08/27
Champion Microelectronic Corporation
Page 9
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