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YB1313
1x/1.
5x/2x Charge Pump for White LED Application Features
Input Range : 2.
7V to 5.
5V Drives up to 5 LEDs at 25mA Each 1MHz Internal Oscillator Thermal Protection Shutdown Output Short-circuit Current Limit and
Description
The YB1313 charge pump is designed to drive up to 5 white LEDs with regulated constant current in back lit display application.
The device can provide up to 25 mA per LED for a total of more than 125 mA.
The input
voltage ranges from 2.
7V to 5.
5V and is ideal for applications powered by a single LI-Ion or 3 to 4 NiCd, NiMH or Alkaline batteries.
The 1MHz fix-frequency switching allows for tiny external components, and the regul...