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KA2142C

Fairchild
Part Number KA2142C
Manufacturer Fairchild
Description Vertical Deflection Output Circuit
Published Apr 25, 2005
Detailed Description www.fairchildsemi.com KA2142C Vertical Deflection Output Circuit Features • • • • • • High output current Pump - up ci...
Datasheet PDF File KA2142C PDF File

KA2142C
KA2142C

Overview
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 KA2142C Pin Assignments C KA2142A 1 2 3 4 5 6 7 Pin Number 1 2 3 4 5 6 7 8 9 10 Symbol Vin ( - ) Vcc(L) F.
G GND VO Vcc(H) Vin ( + ) I/O I I O O I I Pin Function Descrition Inverting Input Supply Voltage N.
C.
Flyback Generator Ground Output N.
C.
N.
C.
Output Stage Supply Voltage Non-Inverting Input 2 KA2142C Pin Definitions Pin Number Pin Name Waveform Equivalent Circuit vcc 1 Inverting Input 1 2 Voltage Supply DC - vCC 4 Flyback Generator 4 5 Ground DC - vCC 6 Output Voltage 6 9 Output Stage Voltage Supply Vs 2Vs - vcc 10 Non-Inverting Input DC 10 3 KA2142C Absolute Maximum Rating ( Ta = 25oC ) Parameter Supply Voltage Flyback Peak Voltage Flyback Generator Voltage Input Voltage Peak - to - Peak Output Current* Peak - to - Peak Flyback Current ( f = 50 or 60Hz, Tfb ≤ 1.
5mS ) Total Power Dissipation ( Ta = 25oC ) Storage Temperature Range Operating Ambient Temperature * Maximum output peak to peak current in TV or Monitor set.
Symbol Vcc(L) V6, V9 V6 V1, V10 Io(p-p) I4(p-p) PD Tstg Topt Value 35 70 35 V cc(L) - 0.
5 3 3 15 -40 ~ +150 -25 ~ +70 Unit V V V V A A W o C oC Thermal Data Parameter Thermal Resistance Between Junction and Case Thermal Resistance Between Junction and Ambient Thermal Shu...


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