KB4312 regulator equivalent, constant current switching regulator.
*Operating Voltage:2.5V~6.5V
*High Operating Frequency: 1.2MHz
*High Efficiency: Up to 92%
*High Output Voltage: Up to 28V(max)
*Shutdown Current <1PA.
* LED Module
* LED Backlight for LCD Display (1” ~6.5 ” )
* Constant Current Source!
DESCRIPTION
The KB4312.
The KB4312 step-up converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical for uniform.
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