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AP432ASR Datenblatt(PDF) 8 Page - Diodes Incorporated

Teilenummer AP432ASR
Bauteilbeschribung  ADJUSTABLE PRECISION SHUNT REGULATOR
PDF  12 Pages
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Hersteller  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP432ASR Datenblatt(HTML) 8 Page - Diodes Incorporated

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AP432/AP432A
ADJUSTABLE PRECISION SHUNT REGULATOR
AP432/AP432A Rev. 6
8 of 12
MARCH 2007
www.diodes.com
© Diodes Incorporated
Application Examples
VIN
+
Low Limit
V
REF
(1 + R1B/R2B) +V
BE
High Limit
V
REF (1 + R1A/R2A)
R1A
R1B
R2A
R2B
VBE
Output ON when
Low Limit <
< High Limit
Fig.10 Over-Voltage / Under-Voltage Protection Circuit
V
IN
R
CL
I
OUT
I
OUT = VREF / R
CL
Fig. 6 Current Limiter or Current
Source
I
OUT
V
IN
I
OUT = VREF / R
S
RS
Fig. 7 Constant-Current
Sink
Fig. 4 Voltage
Monitor
Fig. 5 Delay
Timer
V
OUT = (1 + R1/R2) x VREF
V
IN
R1
R2
Fig. 8 Higher-Current Shunt
Regulator
V
OUT
V
IN
PUSE
R1
R2
LIMIT
(1 + R1/R2) x V
REF
Fig. 9 Crow Bar
V
OUT
VIN
ON
OFF
R
+
V
IN
Delay = RC x ln (
V
IN
-V
REF
)
LED on when Low Limit< V
IN
High Limit
Low Limit ≈ V
REF
(1+R1B/R2B)
High Limit ≈ V
REF
(1+R1A/R2A)
R1A
R2A
VIN
R1B
R2B
<
VIN



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