BL8521 - SHANGHAI BELLING

BL8521 3A Synchronous Buck Converter

The BL8521 is a synchronous, 1.4MHz, fix frequency PWM Buck converter. It is ideal for powering portable equipment that powered by a single cell Lithium-ion batter, or USB port. The BL8521 can provide up to 3A of load current with output voltage as low as 0.8V. It can operate at 100% duty cycle for low dropout application. With its peak current mode control .

Features

 Adjustable Output Voltage, 0.8 - Vin
 High efficiency, up to 96%
 Output voltage accuracy 2%
 0.1ohm Rdson of internal MOSFET
 3A maximum output current
 Up to 1.5MHz fix switching frequency
 5.5V maximum operation voltage
 Short circuit protection
 Thermal shutdown protection
 10mV Load regulation at 3A load
 Compatible with ceramic output capacitor
 Excellent load transient performance
 In-rush current suppression
 Reverse current suppression for light load
 Available in DFN3x3-10 package APPLICATIONS
 3G network modem
 Smart phone, PDA
 Digital camera
 LCDTV
 Portable d.