MAX8645X - 1x/1.5x/2x White LED Charge Pumps

Name: MAX8645X
SKU: MAX8645X-590444

Maxim Integrated Products

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Datasheet Details

Part number	MAX8645X
Manufacturer	Maxim Integrated Products
File Size	238.05 KB
Description	1x/1.5x/2x White LED Charge Pumps
Datasheet	MAX8645X_MaximIntegratedProducts.pdf

MAX8645X Product details

Description

The MAX8645X/MAX8645Y charge pumps drive up to eight white LEDs with regulated constant current for uniform intensity. M6) can be driven up to 30mA per LED for backlighting.

Features

Power Up to Eight LEDs Up to 30mA/LED Drive for Backlight Up to 400mA Total Drive for Flash.
Two Internal Low-Noise 200mA LDOs.
94% Max/85% Avg Efficiency (PLED/PBATT) over Li+ Battery Discharge.
0.2% Typical LED Current Matching.
Adaptive 1x/1.5x/2x Mode Switchover.
Flexible Brightness Control Single-Wire, Serial-Pulse Interface (32 Steps) 2-Bit Logic (Three Levels).
Thermal TA Derating Function.
Low Input Ripple and EMI.

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Published: Jul 16, 2007 |