HT7737 Datasheet, Holtek Semiconductor

* Low start-up voltage: 0.7V (Typ.), 0.9V (Max.)
* High efficiency: 85% (Typ.), VOUT³2.7V
* High output voltage accuracy: ±2.5%
* Output voltage: 1.8V, 2..

* Palmtops/PDAs
* Portable communicators/Smartphones
* Cameras/Camcorders
* Battery-powered equipment G.

The HT77XX series is a set of PFM step-up DC/DC converter with high efficiency and low ripple. The series features extremely low start-up voltage and high output voltage accuracy. They require only three external components to provide a fixed output .