Solved by
SP6652
TM
1A, High Efficiency, Fixed 1.
4 MHz Current Mode PWM Buck
Regulator
Features
■ 1A Output Current ■ 1.
4MHz Constant Frequency Operation ■ 97% Efficiency Possible ■ 0.
5µA (Max.
) Shutdown Current ■ Adjustable Output Voltage ■ No External FETs or
Schottky Diode Required ■ Uses Small Value Inductors and Ceramic
Output Capacitors ■ Low Dropout Operation: 100% Duty Cycle ■ Soft Start and thermal Shutdown Protection ■ Easy Frequency Synchonization ■ Lead Free, RoHS Compliant package: l
Small (3mm X 3mm) 10 Pin DFN or MSOP
P GND
SGND FB
COMP SD
1 2 3 4 5
10 LX
SP6652
9 PVIN
10 Pin DFN
8S VIN
7 SYNC
6 MODE
applications
■ Mobile Phones ■ PDAs ■ DSCs ■ MP3 Players ■...