®
SP6641A/6641B
500mA Alkaline DC/DC Boost
Regulator in SOT-23
s Ultra Low Quiescent Current: 10µA s Wide Input Voltage Range: 0.
9V to 4.
5V s 90mA IOUT at 1.
3V Input (SP6641A-3.
3V) s 500mA IOUT at 2.
6V Input (SP6641B-3.
3V) s 100mA IOUT at 2.
0V Input (SP6641A-5.
0V) s 500mA IOUT at 3.
3V Input (SP6641B-5.
0V) s Fixed 3.
3V or 5.
0V Output Voltage s Up to 87% Efficiency s 0.
3Ω NFET RDSon s Startup Voltage Guaranteed at 0.
9V s 0.
33A Inductor Current Limit (SP6641A) s 1A Inductor Current Limit (SP6641B) s Logic Shutdown Control s SOT-23-5 Package
LX 1
5 VBATT
SP6641
GND 2
5 Pin SOT-23
VOUT 3 4 SHDN
APPLICATIONS s PDA's s DSC's s CD/MP3 Players s Pagers s Digital Cameras s Portable Handheld Med...