BD9775FV

2路降压型开关稳压器控制器 2channel Step-Down Switching Regulator Controller

● Overview

The BD9011EKN/KV is a 2-ch synchronous controller with rectification switching for enhanced power management efficiency.

It supports a wide input range, enabling low power consumption ecodesign for an array of electronics.

● Features

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

9 Small footprint packages: HQFN36V, VQFP48C

● Applications

  Car audio and navigation systems, CRTTV， LCDTV， PDPTV， STB， DVD， and PC systems， portable CD and DVD players, etc.