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CM431GDCS Datasheet(PDF) 7 Page - Champion Microelectronic Corp.

Part # CM431GDCS
Description  LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR
PDF  12 Pages
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Manufacturer  CHAMP [Champion Microelectronic Corp.]
Direct Link  http://www.champion-micro.com
Logo CHAMP - Champion Microelectronic Corp.

CM431GDCS Datasheet(HTML) 7 Page - Champion Microelectronic Corp.

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CM431
LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR
2006/10/11 Rev.1.4
Champion Microelectronic Corporation
Page 7
APPLICATION INFORMATION
V
B
OB = (1 + R1/R2) × VBREF
Note: R should provide 1mA cathode current to the
CM431 of minimum V
B
BATT
Figure 4. Shunt Regulator
Figure 5. Single –Supply Comparator With Temperature
compensated threshold.
V
B
OB = (1 + R1/R2) × VBREF
Figure 6. High-Current Shunt Regulator
Figure 7. Crowbar Circuit
V
B
BATTB
R1
0.1%
V
B
REFB
V
B
onB ≈ 2V
V
B
off B≈ VBBATTB
GND
V
B
thB = 2.5V
Input
V
B
OB
V
B
BATTB
R2
0.1%
V
B
OB
R*
R1
R2
V
B
BATTB
CM431
CM431
CM431
CM431
V
B
BATTB
R1
R2
C
V
B
OB
V
B
OB



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