The TS2576CZ5 is a monolithic integrated circuit designed by Taiwan Semiconductor as a step-down (buck) switching regulator. It is capable of delivering 3A of output current with excellent line and load regulation. The device includes a fixed-frequency oscillator (52 kHz), a duty cycle control circuit, and a high current output switch. Protection features include thermal shutdown and current limiting.
Applications:
- Simple High-Efficiency Step-Down (Buck) Regulator: Used for voltage conversion in various applications.
- On-Card Switching Regulators: Powers local loads on circuit boards.
- Positive to Negative Converter: Can be configured to generate negative output voltages.
- LCD Monitor Power Supplies: Used to supply power to LCD panels and related circuitry.
- Battery Chargers: Used to create efficient battery charging circuits.
Features:
- 3.0A Output Current: Delivers up to 3A of continuous output current.
- Fixed 5.0V Output Voltage: Provides a stable and precise 5V output.
- Fixed Frequency Operation (52 kHz): Simplifies filtering and reduces noise.
- Thermal Shutdown and Current Limit Protection: Protects the device from overloads and excessive temperatures.
- Requires Few External Components: Minimizes board space and reduces cost.
Benefits:
- High Efficiency: Switching regulator design provides high power conversion efficiency.
- Stable Output Voltage: Delivers a consistent 5V output for reliable operation.
- Protection: Built-in protection features enhance reliability.
- Ease of Use: Requires few external components for operation.
- Compact Design: Small package size allows for use in space-constrained applications.
Technical Specifications:
The TS2576CZ5 provides a fixed 5.0V output with a 3A output current capability. The switching frequency is fixed at 52 kHz. The device includes thermal shutdown and current limit protection. It is available in a TO-220 package. The input voltage range should be within the specified limits for proper operation.