Datasheet Summary
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. Their high degree of functional integration requires only the addition of three external...