STV9390

STV9390 CLASS-D VERTICAL DEFLECTION AMPLIFIER FOR TV AND MONITOR APPLICATION FEATURES s s s s s s s s HIGH EFFICIENCY POWER AMPLIFIER NO HEATSINK SPLIT SUPPLY INTERNAL FLYBACK GENERATOR OUTPUT CURRENT UP TO 2.2 APP SUITABLE FOR DC COUPLING APPLICATION FEW EXTERNAL COMPONENTS PROTECTION AGAINST LOW Vcc DESCRIPTION Designed for monitors and TVs, the STV9390 is a class-D vertical deflection booster assembled in SO20 Package. It operates with supplies up to +/- 18V, provides up to 2.2 App output current to drive the yoke. The internal flyback generator avoids the need for an extra power supply. m o .c U 4 t e e h S a t a .D w w w SO20 ORDER CODE: STV9390 PIN CONNECTION +VCC 1 2 3 4 5 6 7 8 9 20 19 18 17 16 15 14 13 12 EAOUT IN+ IN- +VCC POW -VCC POW NC SGND -VCC -VCC NC -VCC -VCC FREQ FEEDCAP VREG BOOT OUT CFLY+ CFLY- September 2003 m o .c U 4 t e e h S a at .D 1 w w w Version 2.0 1/7 10 11 STV9390 1 PIN FUNCTIONS Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Name +VCC +VCCPOW -VCCPOW NC -VCC -VCC NC OUT CFLY+ CFLYBOOT VREG FEEDCAP FREQ -VCC -VCC SGND ININ+ EAOUT Positive supply Positive power supply Negative power supply Not connected Negative supply Negative supply Not connected PWM output Flyback capacitor Flyback capacitor Bootstrap capacitor Internal voltage regulator Feed-back integrating capacitor Frequency setting resistor Negative supply Negative supply Signal ground Error amplifier inverting input Error amplifier non-inverting in...