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YB1313

Yobon
Part Number YB1313
Manufacturer Yobon
Description Charge Pump
Published Apr 1, 2008
Detailed Description www.DataSheet4U.com YB1313 1x/1.5x/2x Charge Pump for White LED Application Features „ Input Range : 2.7V to 5.5V „ Dri...
Datasheet PDF File YB1313 PDF File

YB1313
YB1313

Overview
www.
DataSheet4U.
com 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 regulation scheme is optimized to ensure low EMI and low input ripple.
Internal soft-start circuitry effectively reduces the in-rush current.
YB1313 also provides short circuit protection, over-temperature protection and over-voltage protection.
In shutdown mode, the shutdown current is less than 1μA.
YB...


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