LM3677
FEATURES
- 2 16 µA typical quiescent current
- 600 m A maximum load capability
- 3 MHz PWM fixed switching frequency (typ.)
- Automatic PFM/PWM mode switching
- Available in 5-bump DSBGA package and 6-pin
USON package
- Internal synchronous rectification for high efficiency
- Internal soft start
- 0.01 µA typical shutdown current
- Operates from a single Li-Ion cell battery
- Only three tiny surface-mount external ponents required (solution size less than 20 mm2)
- Current overload and thermal shutdown protection
APPLICATIONS
- Mobile Phones
- PDAs
- MP3 Players
- W-LAN
- Portable Instruments
- Digital Still Cameras
- Portable Hard Disk Drives
DESCRIPTION
The LM3677 step-down DC-DC converter is optimized for powering ultra-low voltage circuits from a single Li-Ion cell battery and input voltage rails from 2.7V to 5.5V. It provides up to 600 m A load current over the entire input voltage range. The LM3677 is configured to different fixed voltage output options as well as an adjustable...
