Description
HT77xxS 100mA PFM Synchronous Step-up DC/DC Converter .
The HT77xxS devices are a high efficiency PFM synchronous step-up DC-DC converter series which are designed to operate with both wire wound chip power.
Features
* Low start-up voltage: 0.7V (Typ. )
* High efficiency: 1.8V ≤ VOUT ≤ 2.2V upper 80%,
2.7V ≤ VOUT ≤ 5.0V upper 85% (Typ. )
* High output voltage accuracy: ±2.5%
* Output voltage: 1.8V, 2.2V, 2.7V, 3.0V, 3.3V, 3.7V,
5.0V
* Output current up to 100mA
Applications
* Palmtops/PDAs
* Portable communicators/Smartphones
* Cameras/Camcorders