www.fairchildsemi.com
KA2142C
Vertical Deflection Output Circuit
Features
•
•
•
•
•
•
High output current
Pump - up circuit
Low dissipation
Minimum number of external parts required
Direct drive to the deflectin coils
Internal thermal shutdown circuit
Description
The KA2142C is a monolithic linear IC designed for color
TV and monitor vertical deflection output. It is intended for
direct drive of the deflection coils with a high efficiency.
10-SIP H/S
Applications
• Power Amplifier
• Thermal Protection
• Flyback Generator
Internal Block Diagram
Vcc
(L)
+
+
Vcc
(H)
2
9
4
FLYBACK
GENERATOR
Sawtooth IN
1
Vref
10
+
-
PRE
AMP
DRIVE
STAGE
OUTPUT
STAGE
6
THERMAL
SHUTDOWN
D.Y
5
+
+
Rev. 1.0.0
©2001 Fairchild Semiconductor Corporation
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
