HT7936A converter equivalent, white led step-up charge pump converter.
* Input voltage range: 2.8V to VOUT
* Driving current: 110mA (HT7936A),
* Oscillator frequency: 1MHz
* Soft start function, current limit,
150mA (HT7936B.
* Cellular phones
* PDAs
* DSCs
* Handheld devices
* White LED display backlighting
General Descrip.
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 capacitors, na.
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