Datasheet Summary
®
SP6644/6645
Single/Dual Alkaline Cell, High Efficiency Boost DC-DC Regulator
- 90mA Output Current at 1.3V Input
- 190mA Output Current at 2.6V Input
- +2V to +5.5V Output Range
- 0.88V Guaranteed Start-Up
- 92% High Efficiency
- 1.6µA Quiescent Supply Current at VBATT
- Reverse Battery Protection
- Internal Synchronous Rectifier
- 5nA Logic Controlled Shutdown Current
From VBATT
- Low-Battery Detection Active LOW Output
VBAT 1 BATTL0 2
RLIM 3 SHDN 4
SP6644 SP6645
8 Pin MSOP
8 V OUT 7 LX 6 GND 4 FB
Now Available in Lead Free Packaging
- Small 8 Pin MSOP Package
- No External FETs
- Flexibility to Optimize Inductor Type with Programmable Peak Current Control
DESCRIPTION
The...