BD9011 Datasheet PDF – Switching Regulator – ROHM

Part Number: BD9011

Function: Large Current External FET Controller Type Switching Regulator

Package: VQFP48C

Manufacturer: ROHM Semiconductor

BD9011 datasheet


This is Large Current External FET Controller Type Switching Regulator.

The BD9011EKN, BD9011KV, BD9011 is a 2-ch synchronous controller with rectification switching for enhanced power manageme It supports a wide input range, enabling low power consumption ecodesign for an array of electronics.


1)  Wide input voltage range: 3.9V to 30V
2)  Precision voltage references: 0.8V±1%
3)  FET direct drive
4)  Rectification switching for increased efficiency
5)  Variable frequency: 250k to 550kHz (external synchronization to 550kHz)
6)  Built-in selected OFF latch and auto remove over current protection
7)  Built-in independent power up/power down sequencing control
8)  Make various application , step-down , step-up and step-up-down


1. Car audio and navigation systems, CRTTV,LCDTV,PDPTV,STB,DVD

Other data sheets are available within the file: BD9011EKN, BD9011KV, BD9775, BD9775FV

BD9011 Datasheet PDF