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HT7727BA - 5V/200mA PFM Asynchronous Step-up Converter

General Description

The HT77xxBA series is a set of PFM step-up DC/DC converters with high efficiency and low ripple.

Key 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.

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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 accuracy. They require only few external components to provide a fixed output voltage of 2.7V, 3.0V, 3.