BL8851 Power Management IC, AC/DC Converter, 60W SSR Flyback Controller, External MOSFET, SOT23-6

The BL8851 is a high-power AC/DC converter power management IC designed for flyback power supplies using an external MOSFET. Supporting output power up to 60W, it features secondary-side regulation, power-on soft-start, and low standby power operation, making it ideal for higher-power consumer and appliance applications.

Key Specifications

• Maximum Output Power (Pout): 60W

• Drive Device: External MOSFET

• Control Mode: SSR (Secondary-Side Regulation)

• Standby Power Consumption: < 0.15W

• Power-On Soft-Start: Yes

• Over-Voltage Protection (OVP): Yes

• Package: SOT23-6

Applications

• Power adapters

• Set-top box (STB) power supplies

• Small home appliance power supplies

Features

• Supports high-power flyback designs

• External MOSFET for flexible power scaling

• Secondary-side regulation control

• Integrated soft-start function

• Low standby power consumption