BL8542B Datasheet - BELLING

BL8542B, Synchronous Boost Converter

BL8542B REV1.2, DEC 2010 0.85V startup, 1MHz, 300mA Iout, Synchronous Boost Converter DESCRIPTION The BL8542B is a step-up converter that provides a

Features

* Up to 95% Efﬁciency
* Output voltage accuracy 3％
* 1MHz Switching Frequency allows small inductor and output cap
* Input boost-strapping allows using small or no input cap
* Low Vin Start-up Voltage down to 850mV

Applications

* One to Three Cell Battery Operated Devices
* Medical Instruments
* Bluetooth Headsets
* Flash-Based MP3 Players
* Noise Canceling Headphones PIN CONFIGURATION NOTE: Input capacitor (Cin=0.47uF) and Output capacit

BL8542B-BELLING.pdf