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HT7936A - White LED Step-up Charge Pump Converter

General Description

The HT7936A and HT7936B are charge-pump type DC-DC step-up converter devices, which can generate regulated fixed output voltages of 5.0V and 4.5V.

Key Features

  • Input voltage range: 2.8V to VOUT.
  • Driving current: 110mA (HT7936A),.
  • Oscillator frequency: 1MHz.
  • Soft start function, current limit, 150mA (HT7936B).
  • Fixed output voltage: 5V (HT7936A), short circuit protection.
  • Small outline SOT23-6 package 4.5V (HT7936B).

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HT7936A/HT7936B White LED Step-up Charge Pump Converter Features · Input voltage range: 2.8V to VOUT · Driving current: 110mA (HT7936A), · Oscillator frequency: 1MHz · Soft start function, current limit, 150mA (HT7936B) · Fixed output voltage: 5V (HT7936A), short circuit protection · Small outline SOT23-6 package 4.5V (HT7936B) Applications · Cellular phones · PDAs · DSCs · Handheld devices · White LED display backlighting General Description The HT7936A and HT7936B are charge-pump type DC-DC step-up converter devices, which can generate regulated fixed output voltages of 5.0V and 4.5V.