VA7920
Description
VA7910/VA7920 series circuits are high efficiency DC-DC step up converts, with a few external ponents to realize the conversion from the battery voltage to the expect output voltage. It can be widely used in PDA 、 cell phones、hand-held devices and so on.
Key Features
- 0.9V start up voltage
- 0.9V minimum operating voltage
- Above 95% efficiency
- Low battery voltage detector
- Fixed 3.3V and 5V output or adjustable output from 2V to 5V
- Internal synchronous rectifier
- Zero shut down current
- Little external elements
- Ultra small TSSOP8, MSOP8 package
