SC46208 Datasheet, PDF (1/10 Pages) Silan Microelectronics Joint-stock – 1.25MHz, 600mA, HIGH EFFICIENCY SYNCHRONOUS STEP-DOWN DC-DC CONVERTER

SC46208
1.25MHz, 600mA, HIGH EFFICIENCY SYNCHRONOUS STEP-DOWN DC-DC
CONVERTER
DESCRIPTION
SC46208 is a synchronous step-down DC-DC converter with high
efficiency. It adopts small flat package. The device features 2.5~5.5V
input voltage, 600mA output current, peak current mode PWM and
integrated compensation net, which is ideal for powering portable
equipment that runs from a single cell Li+ battery without external
components.
The device integrates an internal switch which eliminates the
Schottky diode, 1.25MHz high frequency allows the periphery to adopt
SMT inductor and capacitor, thus reduce the size of total solution. It
can also run at 100% duty cycle for low dropout operation, that is
lower than 1μA shutdown current and 20μA quiescent current in
power saving mode. It extends battery life in portable system through
increasing the efficiency under light loads.
SC46208 is available in an adjustable version and fixed version. _APPLICATION
FEATURES
* High efficiency up to 95%
* Automatic Power Saving Mode at light loads, only 20μA quiescent
current.
* Wide input voltage range: +2. 5V~+5.5V
* Output voltage range: 0.6V~VIN
* High output current 600mA
* Low dropout operation: 100%
* Shutdown current<1μA
* 1.25MHz fixed frequency
* No Schottky diode required
* Thermal shutdown protection
* 4KV HBM ESD protection
* Small 5-pin SOT-23package
* Cellular Telephones
* PDAs
* Wireless Equipment
* MP3 player
* Digital Camera
* Portable Instruments
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.1
2008.09.10
Page 1 of 11