SP6682 High Efficiency White LED Charge Pump Regulator

Exar

Description

February 2009 SP6682 High Efficiency White LED Charge Pump Regulator Rev.2.0.0 GENERAL .
The SP6682 is a current regulated charge pump ideal for converting a Li-Ion battery input for driving white LEDs used in backlighting color displays o.

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Datasheet Specifications

Part number: SP6682
Manufacturer: Exar
File Size: 799.94 KB
Datasheet: SP6682-Exar.pdf
Description: High Efficiency White LED Charge Pump Regulator

Features

* 200mA Output Current
* Low Profile Inductorless Regulator
* 600KHz Oscillator
* x1.5 and x2 Conversion Modes
* 2.7V to 5.5V Input Voltage Range
* Fast Turn-on Time 175µs
* 1mA Quiescent Current
* Adjustable Output Current and Voltage

Applications

* The charge pump automatically switches between x1.5 and x2 modes based on the program-mable VMODE voltage, providing improved efficiency over traditional methods using charge pump doubler followed by LDO. This input voltage threshold can be externally programmed by a resistor divider network for op

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SP6682 High Efficiency White LED Charge Pump Regulator Exar

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