HT77xxBA 5V/200mA PFM Asynchronous Step-up Converter
Features
• Low startup
voltage: 0.
85V (Typical) • High efficiency up to 85% • Ultra low no load input current • High output
voltage accuracy: ±2.
5% • Fixed output
voltage: 2.
7V, 3.
0V, 3.
3V, 3.
7V and
5.
0V • Ultra low shutdown current: 0.
1μA (Typical) • Package type: TO92, SOT89-3, SOT23-3 and
SOT23-5
Applications
• One, two and three cell alkaline and NiMH/NiCd bettery powered portable products
• Portable equipment/handheld devices
General Description
The HT77xxBA series is a set of PFM step-up DC/DC converters with high efficiency and low ripple.
The series features extremely low start-up
voltage and high output
voltage accurac...