Description

The FSQ110 consists of an integrated, current-mode, Pulse Width Modulator (PWM) and an avalanche-rugged 650V SenseFET. It is specifically designed for highperformance off-line Switch-Mode Power Supplies (SMPS) with minimal external components.

Features

■ Internal Avalanche-Rugged 650V SenseFET

■ Consumes only 0.65W at 230 VAC & 0.3W Load with Burst-Mode Operation

■ Precision Fixed Operating Frequency: 100kHz

■ Internal Start-up Circuit and Built-in Soft-Start

■ Pulse-by-Pulse Current Limiting and Auto-Restart Mode

■ Over-Voltage Protection (OVP), Overload Protection (OLP), Internal Thermal Shutdown Function (TSD)

■ Under-Voltage Lockout (UVLO)

■ Low Operating Current: 3mA

■ Adjustable Peak Current Limit

Applications

■ SMPS for STB, Low-cost DVD