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TDA3651A from PHILIPS

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TDA3651A

Manufacturer: PHILIPS

VERTICAL DEFLECTION CIRCUIT

Partnumber Manufacturer Quantity Availability
TDA3651A PHILIPS 161 In Stock

Description and Introduction

VERTICAL DEFLECTION CIRCUIT The TDA3651A is a vertical deflection output amplifier manufactured by PHILIPS. Here are its key specifications, descriptions, and features:

### **Specifications:**
1. **Function:** Vertical deflection output amplifier for TV and monitor applications.
2. **Output Current:** Up to 1.5 A peak.
3. **Supply Voltage Range:** Typically operates at 12 V to 30 V.
4. **Power Dissipation:** Up to 15 W (with proper heat sinking).
5. **Thermal Protection:** Includes built-in thermal shutdown.
6. **Package:** 9-pin SIL (Single In-Line) plastic power package.
7. **Frequency Range:** Designed for 50/60 Hz vertical deflection systems.

### **Descriptions:**
- The TDA3651A is designed to drive the vertical deflection coil in CRT-based TVs and monitors.
- It integrates a protection circuit to prevent thermal overload.
- The amplifier is optimized for efficiency and reliability in vertical scanning applications.

### **Features:**
1. **High Output Current:** Capable of driving vertical deflection coils with high current demands.
2. **Thermal Protection:** Automatically shuts down in case of overheating.
3. **Low Standby Current:** Energy-efficient design.
4. **Integrated Flyback Generator:** Simplifies circuit design by including necessary functions.
5. **Wide Supply Voltage Range:** Compatible with various power supply configurations.

This information is based on PHILIPS' documentation for the TDA3651A.

Application Scenarios & Design Considerations

VERTICAL DEFLECTION CIRCUIT

Alternative Part Number

  • TDA3654 --: Same TDA365x vertical deflection series with higher output current capability; commonly used as a direct substitute in CRT vertical output stages.
  • TDA3653B --: Closely related vertical deflection output IC in the same family, pin-compatible in many TV chassis and widely documented as a replacement.
  • LA7830 --: Popular vertical deflection output IC used in similar CRT TV applications; requires minor circuit adaptation but is a well-known functional alternative.

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