L6566B - STMicroelectronics

Manufacturer Part Number

L6566B

Manufacturer

stmicroelectronics

Introduction

The L6566B is a high-performance, cost-effective offline power supply controller that incorporates a high-voltage power MOSFET, a pulse-width modulation (PWM) control circuit, and additional protection features. It is designed for use in non-isolated AC-DC power supplies, especially in applications where cost, size, and efficiency are important.

Product Features and Performance

Integrated high-voltage power MOSFET for improved efficiency and reduced component count

PWM control circuit with advanced features like soft-start, current limitation, and overload protection

Wide input voltage range of 8V to 23V

Switching frequency range of 10kHz to 300kHz

Maximum duty cycle of 75%

Operating temperature range of -40°C to 150°C

Product Advantages

Highly integrated design reduces component count and simplifies the power supply circuit

Wide input voltage range and frequency flexibility allow for versatile applications

Advanced protection features ensure reliable and safe operation

Key Reasons to Choose This Product

Cost-effective solution for non-isolated AC-DC power supplies

Excellent efficiency and performance characteristics

Robust protection features for reliable operation

Compact and easy-to-use package

Quality and Safety Features

Overcurrent protection to prevent damage during overload conditions

Thermal shutdown to protect against overheating

Short-circuit protection to safeguard the device and connected circuitry

Compatibility

The L6566B is compatible with a wide range of AC-DC power supply applications, including adapters, chargers, and industrial power supplies.

Application Areas

Non-isolated AC-DC power supplies

Adapters and chargers

Industrial power supplies

General-purpose offline power conversion

Product Lifecycle

The L6566B is an active product, and there are no immediate plans for discontinuation. However, as technology evolves, customers are advised to check with our website's sales team for the latest information on available equivalent or alternative models.