HT7939 driver equivalent, high current and performance white led driver.
* Input range from 2.6V~5.5V
* Built-in Power MOSFET
* Can drive up to 39 White LEDs with a 5V input
* Low standby current: 0.1mA (typ.) with VEN low
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* Display Backlighting
* LED lighting
Automatic DVD player Digital photo frame Handheld computer
General Descr.
The HT7939 is a high efficiency boost converter for driving White LEDs using current mode operation. The device is designed to drive up to 39 White LEDs from a 5V power supply. The White LED current is setup using an external current setting resistor.
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