MAX1912 1.5x/2x High-Efficiency White LED Charge Pumps

Maxim

Description

19-2290; Rev 2; 3/04 1.5x/2x High-Efficiency White LED Charge Pumps General .
The MAX1910/MAX1912 power LEDs with a regulated output voltage or current (up to 120mA) from an unregulated input supply (2.

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Datasheet Specifications

Part number: MAX1912
Manufacturer: Maxim
File Size: 200.32 KB
Datasheet: MAX1912_MaximIntegratedProducts.pdf
Description: 1.5x/2x High-Efficiency White LED Charge Pumps

Features

* High-Efficiency 1.5x/2x Charge Pumps
* Low Input Ripple with 750kHz Operation
* 200mV Current-Sense Threshold Reduces Power Loss
* Current- or Voltage-Regulated Charge Pump
* Up to 120mA Output Current
* No Inductors Required
* Small Ceramic

Applications

* White LED Backlighting Cellular Phones PDAs Digital Still Cameras MP3 Players Backup-Battery Boost Converters PART MAX1910EUB MAX1912EUB Ordering Information TEMP RANGE -40°C to +85°C -40°C to +85°C PIN-PACKAGE 10 µMAX 10 µMAX Typical Operating Circuit TOP VIEW VIN IN1 C1+ C1 CIN C1C2+ C2 C2GND IN

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MAX1912 1.5x High-Efficiency White LED Charge Pumps Maxim

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