cp432ay Ceramate Technical Co., Ltd., cp432ay Datasheet - Page 6

• Manufacturer Part Number: cp432ay
• Description: Adjustable Precision Shunt Regulator
• Manufacturer: Ceramate Technical Co., Ltd.

* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:[phone]
Fax:[phone]
Application Examples
V
Fig.7 Constant-Current Sink
IN
V
IN
LED on when Low Limit ＜ V
Low Limit ≈ V
High Limit ≈ V
R1A
R2A
Fig.4 Voltage Monitor
I
OUT
= V
REF
REF
REF
(1+R1B/R2B)
(1+R1A/R2A)
/ R
R1B
S
R2B
I
OUT
R
IN
S
＜ High Limit
V
IN
V
R1A
R2A
Fig.10 Over-Voltage / Under-Voltage Protection Circuit
IN
High Limit
Fig.8 Higher-Current Shunt Regulator
Low Limit
Adjustable Precision Shunt Regulator
R1
R2
V
Delay = RC x ln(
V
OUT
R1B
OFF
IN
Fig.5 Delay Timer
= (1 + R1/R2) × V
Page 6 of 10
V
V
REF
REF
R2B
ON
R
(1 + R1A/R2A)
(1 + R1B/R2B) +V
+
V
IN
REF
+
V
-V
IN
REF
V
BE
OUT
)
V
Fig.6 Current Limiter or Current Source
Low Limint ＜ V
V
IN
V
BE
IN
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Http: www.ceramate.com.tw
Output ON when
PUSE
R1
R2
L
IN
I
OUT
IMIT
Fig.9 Crow Bar
＜ High Limit
= V
(1 + R1/R2) × V
REF
Rev 1.1 Jan. 19,2005
/ R
CP432
CL
R
CL
REF
I
OUT
V
OUT