HT7737S

HT77xxS 100mA PFM Synchronous Step-up DC/DC Converter 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 Ultra low supply current IDD: 4μA (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 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 inductors and also with multi-layered chip power inductors. The device series have the advantages of extremely low start-up voltage as well as high output voltage accuracy. Being manufactured using CMOS t...