Description
HT77XX PFM Step-up DC/DC Converter .
The HT77XX series is a set of PFM step-up DC/DC converter with high efficiency and low ripple.
Features
* 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, 2.7V, 3.0V, 3.3V, 3.7V, 5.0V
* Ultra low supply current IDD2: 4mA (Typ. )
* Low ripple and low noise
* Low shutdown curre
Applications
* Palmtops/PDAs
* Portable communicators/Smartphones
* Cameras/Camcorders