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LN2113 Datasheet High Efficiency 1.5x Fractional Charge Pumps

Manufacturer: natlinear

Overview: LN2113/4 High Efficiency 1.5X Fractional Charge Pumps For White LED Applications ■.

Datasheet Details

Part number LN2113
Manufacturer natlinear
File Size 327.82 KB
Description High Efficiency 1.5X Fractional Charge Pumps
Datasheet LN2113-natlinear.pdf

General Description

The LN2113 and LN2114 are low noise, constant frequency charge pump DC/DC converters that use fractional (1.5X) conversion to increase efficiency in white LED applications.

The devices can be used to produce current levels up to 20mA for each output from a 2.7V to 5.5V input.

A low external parts count (two 1μF flying capacitors and two small bypass capacitors at VIN and OUT) makes the LN2113/LN2114 ideally suited for small battery-powered applications.

Key Features

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  • LN2113: four outputs.
  • LN2114: six outputs.
  • 20mA full-scale current.
  • 32-position logarithmic scale with digital control.
  • Low noise constant frequency operation.
  • 33% less input current than doubler charge pump.
  • High accuracy brightness matching.
  • Vin range: 2.7v to 5.5v.
  • IQ.

LN2113 Distributor