STV9380
STV9380 is CLASS-D VERTICAL DEFLECTION AMPLIFIER manufactured by STMicroelectronics.
CLASS-D VERTICAL DEFLECTION AMPLIFIER FOR TV AND MONITOR APPLICATION
TARGET SPECIFICATION
Features s High .. s s s s s s
Efficiency Power Amplifier No Heatsink Split Supply Flyback Generator Output Current up to 2.5 APP Flyback Voltage up to 65V Suitable for DC Coupling Application
PDIP20 (14+3+3) ORDER CODE: STV9380
DESCRIPTION
Designed for monitors and TVs, the STV9380 is a class-D vertical deflection booster assembled in PDIP20 Package. It operates with supplies up to +/- 16V, provides up to 2.5 App output current to drive the yoke. Flyback voltage is close to 65V.
PIN CONNECTION
-VCC -VCC -VCC OUT CFLY + CFLY BOOT VREG FEEDCAP FREQ
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
-VCC -VCC -VCC -VCCPOW + VCC POW +VCC EAout IN+ INSGND
Version 1.1
May 2000
This is preliminary information on a new product now in development. Details are subject to change without notice.
1/7
- PIN FUNCTIONS
Pin Number 1 2 3
.. 4
Name -VCC -VCC -VCC OUT CFLY+ CFLYBOOT VREG FEEDCAP FREQ SGND ININ+ EA out +VCC +VCCPOW -Vcc POW -VCC -VCC -VCC Negative supply Negative supply Negative supply PWM Output Flyback capacitor Flyback capacitor Bootstrap capacitor Internal voltage regulator Feed-back integrated capacitor Frequency setting resistor Signal Ground Error amplifier inverting input Error amplifier non-inverting input Error amplifier output Positive supply Positive Power supply Negative Power supply Negative supply Negative supply Negative supply
Function
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
2/7
..
Figure 1. Test and Application Circuit
+VCC 470µF +VCC +VCC power TDA9380 STV9380
100n F
VREG -VCC 100n F 8 Vref
Flyback detection
Flyback...
