BLL3330C Power Management IC – High-Voltage Asynchronous DC/DC Controller | External MOSFET

The BLL3330C is the external-MOSFET version of the BLL3330, providing greater flexibility for high-power and high-voltage display applications.
It supports 6.0V to 28V input operation with VIN tolerance up to 80V and adjustable output via a 0.4V feedback reference.

Designed for LCD TVs and monitors, it enables scalable power stage design with external switching devices.

Key Specifications

• Input Voltage (VIN): 6.0V – 28V (80V max)

• Output Voltage (VOUT): Adjustable (VFB = 0.4V)

• Quiescent Current (IQ): 0.32mA

• Switching Frequency (FOSC): 120kHz

• Operating Mode: Asynchronous PWM / PFM

• Package: SOP8

Applications

• LCD televisions

• Monitors

• Flat-panel display devices

Features

• External MOSFET support

• High-voltage tolerant design

• Optimized for display power systems

• Robust and scalable architecture