®
SP6655
Ideal for portable designs powered with Li Ion battery
High Efficiency 400mA Synchronous Buck Regulator
FEATURES ■ 98% Efficiency Possible ■ Small 10-Pin DFN Package ■ Ultra-low 20µA Quiescent Current ■ 625mA Inductor Peak Current Limit ■ Guaranteed Minimum 400mA Output Current ■ 2.
7V to 5.
5V Input
Voltage Range ■ Output Adjustable Down to 1.
0V ■ 100% Duty Ratio Low Dropout Operation ■ 80µA Light Load Quiescent Current in Dropout
PVIN VIN BLON D1 D0
1 2 3 4 5
10
SP6655
10 Pin DFN
LX 9 P GND 8 GND
7 V
OUT 6 FB
Now Available in Lead Free Packaging
APPLICATIONS ■ Cell Phones ■ PDA's ■ DSC's ■ MP3 Players ■ USB Devices ■ Point of Use Power
DESCRIPTION The SP6655 is a 400mA syn...