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参数资料
| 型号： | CS294GDR8 |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | 0.150 INCH, MS-012, SO-8 |
| 文件页数： | 1/4页 |
| 文件大小： | 95K |
| 代理商： | CS294GDR8 |
+
+
VFB
Signal
Common
Filter
20k
10k
Bias
Gnd
Detect
4.7k
50k
AmpOUT
+VS
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
s Supply Derived from
AC Supply — 24V
s Direct Interface to SCR
s Adjustable Sensitivity
s Grounded Neutral Fault
Detection
Package Options
CS294
Ground Fault Interrupter
CS294
Description
Block Diagram
1
VFB
Filter
Signal Common
Gnd
Detect
AmpOUT
+VS
SCR Trigger
8 Lead PDIP & SO Narrow
1
Rev. 6/23/99
ON Semiconductor
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885–3600 Fax: (401)885–5786
N. American Technical Support: 800-282-9855
Web Site: www.cherry–semi.com
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