HT7937 converter equivalent, built-in ovp white led step-up converter.
* Integrated open-circuit protection
* Over voltage protection
* Up to 84% efficiency at VIN=3V, 3LEDs,
* Low standby current: 0.1mA (typ.) (VSHDN=0V)
* Cellular phones
* PDAs
* DSCs
* Handheld devices
* White LED display backlighting
General Descrip.
The HT7937 is high efficiency boost converter with a constant current output to provide back light functions in handheld devices. Applications with series connected LEDs ensure constant and identical LED currents resulting in uniform brightness. A co.
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