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參數資料
| 型號： | CS294GDR8 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | Ground Fault Interrupter |
| 中文描述： | 接地故障遮斷 |
| 文件頁數： | 1/4頁 |
| 文件大?。?/td> | 120K |
| 代理商： | CS294GDR8 |
-
+
-
+
V
FB
Signal
Common
Filter
20k
W
10k
W
Bias
Gnd
Detect
4.7k
W
50k
W
Amp
OUT
+V
S
SCR
Trigger
-
+
The CS294 is an AC outlet ground
fault interrupter controller IC. The
IC detects the presence of haz-
ardous grounding conditions and
open circuits the AC line before a
dangerous shock can occur.
The CS294 contains an operational
amplifier, an SCR driver and a 24V
zener shunt regulator. Two sense
coils, a bridge rectifier, a relay and
an SCR are required as external
components. The completed inter-
rupter circuit can detect and protect
against both hot wire to ground
faults and neutral wire to ground
faults.
The CS294 is built on a 30V bipolar
process and is available in 8 lead
DIP packages.
Features
I
Supply Derived from
AC Supply 24V
I
Direct Interface to SCR
I
Adjustable Sensitivity
I
Grounded Neutral Fault
Detection
Package Options
C
Ground Fault Interrupter
Description
CS294
Block Diagram
1
V
FB
Filter
Signal Common
Gnd
Detect
Amp
OUT
+V
S
SCR Trigger
8 Lead PDIP & SO Narrow
1
Rev. 1/20/99
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Email: info@cherry-semi.com
Web Site: www.cherry-semi.com
A
Company
¨
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