HT77xxSA
200mA PFM Synchronous
Step-up DC/DC Converter
Features
• Low start-up
voltage: 0.
7V (Typ.
) • High efficiency: 2.
7V ≤ VOUT ≤ 5.
0V upper 90%
(Typ.
) • High output
voltage accuracy: ±2.
5% • Output
voltage: 2.
7V, 3.
0V, 3.
3V, 3.
7V, 5.
0V • Output current up to 200mA • Ultra low supply current IDD: 5μA (Typ.
) • Low ripple and low noise • Low shutdown current: 0.
1μA (Typ.
) • TO92, SOT89, SOT23 and SOT23-5 package
Applications
• Palmtops/PDAs • Portable communicators/Smartphones • Cameras/Camcorders • Battery-powered equipment
General Description
The HT77xxSA devices are a high efficiency PFM synchronous step-up DC-DC converter series which are designed to operate with both wir...