STMicroelectronics TDA9309 Vertical Deflection Booster

The TDA9309 is a high-performance integrated circuit produced by STMicroelectronics, designed specifically for use in vertical deflection systems in CRT (Cathode Ray Tube) displays. This vertical deflection booster is part of STMicroelectronics' extensive range of power amplifiers and drivers that cater to the needs of television and monitor manufacturers.

Constructed with the innovative Bipolar/MOS technology, the TDA9309 combines the benefits of both bipolar transistors and MOSFETs, resulting in a device that offers high input impedance, good thermal stability, and a high current capability. The IC is optimized to drive the yoke of a CRT display with a high level of efficiency and reliability, ensuring a stable and clear image on the screen.

Key Features of the TDA9309:

• High Output Current: Capable of delivering a peak current up to 2.5A, making it suitable for a wide range of CRT sizes.
• Low Thermal Resistance: The TDA9309 has a low thermal resistance, which helps in maintaining optimal performance by efficiently dissipating heat generated during operation.
• Flyback Generator: Integrated flyback generator with a voltage rating of up to 60V, ensuring smooth transition during vertical retrace intervals.
• Thermal Protection: The device includes thermal shutdown circuitry that protects the IC from overheating, enhancing the longevity of the product.
• Excellent Linearity: Offers superb linearity which is essential for maintaining the geometric integrity of the displayed image on the CRT screen.

This vertical deflection booster is housed in a compact Heptawatt package, making it not only space-efficient but also easy to integrate into various television and monitor designs. The TDA9309 is suitable for use in standard and high-resolution monitors, portable TVs, and multi-sync monitors, where consistent and reliable vertical deflection is required.

With its robust design and powerful output capabilities, the TDA9309 from STMicroelectronics stands as a go-to solution for manufacturers seeking to enhance the performance and reliability of their CRT display products.