HT77XXA PFM Step-up DC/DC Converter
Features
· Low start-up
voltage: 0.
7V (Typ.
) · High efficiency: 85% (Typ.
) · High output
voltage accuracy: ±2.
5% · Output
voltage: 2.
7V, 3.
0V, 3.
3V, 5.
0V
· Ultra low supply current IDD: 5mA (Typ.
) · Low ripple and low noise
· Low shutdown current: 0.
5mA (Typ.
) · TO-92, SOT-89, SOT-23 and SOT-25 package
Applications
· Palmtops/PDAs · Portable communicators/Smartphones
· Cameras/Camcorders · Battery-powered equipment
General Description
The HT77XXA 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 compon...