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LTC3202 Datasheet

Part Name
Description
MFG CO.
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DESCRIPTION
The LTC®3202 is a low noise, constant frequency charge pump DC/DC converter that uses fractional conversion to increase efficiency in white LED applications. The part can be used to produce a regulated voltage or current of up to 125mA from a 2.7V to 4.5V input. Low external parts count (two flying capacitors and two small bypass capacitors at VIN and VOUT) make the LTC3202 ideally suited for small, battery-powered applications.

FEATURES
■ Low Noise Constant Frequency Operation
■ 25% Less Input Current Than Doubler Charge Pump
■ High Output Current: Up To 125mA
■ Small Application Circuit
■ Regulated Output Voltage or Current
■ Automatic Soft-Start
■ VIN Range: 2.7V to 4.5V
■ No Inductors
■ 1.5MHz Switching Frequency
■ ICC < 1µA in Shutdown
■ Available in 10-Pin MSOP and 3mm × 3mm DFN Packages

APPLICATIONS
■ White LED Backlighting
■ Programmable Boost Current Source

 

Part Name
Description
PDF
MFG CO.
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Advanced Analogic Technologies
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