STV9325

STV9325 Vertical deflection booster for 2.5 App TV/monitor applications with 70 V flyback generator Features ■ Power amplifier ■ Flyback generator ■ Stand-by control ■ Output current up to 2.5 App ■ Thermal protection Description The STV9325 is a vertical deflection booster designed for TV and monitor applications. This device, supplied with up to 35 V, provides up to 2.5 App output current to drive the vertical deflection yoke. The internal flyback generator delivers flyback voltages up to 75 V. In double-supply applications, a standby state will be reached by stopping the (+) supply alone. Heptawatt (Plastic Package) ORDER CODE: STV9325 Figure 1. STV9325 pin detail 7 Input (Non Inverting) 6 Output Stage Supply 5 Output 4 Ground 3 Flyback Generator 2 Supply Voltage 1 Input (Inverting) Tab connected to pin 4 Figure 2. STV9325 schematic Output Stage Flyback Supply Supply Generator Voltage 6 32 Non-Inverting Input 7 Inverting Input 1 + Power Amplifier - Flyback Generator Thermal Protection STV9325 4 Ground or Negative Supply 5 Output December 2008 Rev 4 1/19 www.st.com 1 Contents Contents STV9325 1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Application hints . . . . . . . . . . . . . . . . ...