The LA78040B-E from ON Semiconductor is a high-performance vertical deflection output integrated circuit (IC) designed for use in TV and monitor applications. This IC is specifically engineered to drive the vertical deflection yoke in CRT (Cathode Ray Tube) displays, providing a stable and reliable solution for generating the necessary deflection signals that create the images on the screen.
Key Features:
- Pump-up Circuit: The built-in pump-up circuit ensures that the vertical size of the display remains consistent, even under varying load conditions.
- Thermal Protection: The LA78040B-E includes thermal shutdown circuitry that protects the device from overheating, enhancing its reliability and longevity.
- Low Power Consumption: Designed to operate efficiently, this IC consumes minimal power, making it an energy-saving choice for modern eco-friendly devices.
- High Slew Rate: The high slew rate of the output stage ensures fast response times, resulting in sharp and precise vertical deflection.
- Vertical Output Circuit: The IC incorporates a vertical output circuit, bus control support, and a driver circuit suitable for direct driving of the deflection yoke.
Applications:
The LA78040B-E is ideal for a wide range of applications, including:
- Standard and high-definition CRT televisions
- CRT computer monitors
- Industrial monitors with CRT displays
- Display systems requiring precise vertical deflection control
Product Specifications:
Parameter
Value
Supply Voltage
12V (Typical)
Maximum Output Current
1.8A (Peak)
Operating Temperature
-20°C to +85°C
Package
ZIP-7
The LA78040B-E combines performance with reliability, making it a go-to choice for manufacturers and repair technicians alike. Its robust design and comprehensive feature set ensure that it delivers consistent, high-quality performance in a variety of CRT display applications.
