MAX8645Y - 1x/1.5x/2x White LED Charge Pumps

Product Overview

Maxim Integrated Products

Datasheet Details

Part number	MAX8645Y
Manufacturer	Maxim Integrated Products
File Size	238.05 KB
Description	1x/1.5x/2x White LED Charge Pumps
Datasheet	MAX8645Y Datasheet
Note	This datasheet PDF includes multiple part numbers: MAX8645Y, MAX8645X. Please refer to the document for exact specifications by model.
Additional preview pages of the MAX8645Y datasheet.

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.

📁 Similar Datasheet

MAX864 - Dual-Output Charge Pump with Shutdown (Maxim)
MAX8649A - 1.8A Step-Down Regulator (Maxim Integrated)
MAX860 - Switched-Capacitor Voltage Converters (Maxim)
MAX861 - Switched-Capacitor Voltage Converters (Maxim Integrated)
MAX86140 - Best-in-Class Optical Pulse Oximeter and Heart-Rate Sensor (Maxim Integrated)
MAX86141 - Best-in-Class Optical Pulse Oximeter and Heart-Rate Sensor (Maxim Integrated)
MAX86150 - Integrated Photoplethysmogram and Electrocardiogram Bio-Sensor (Maxim Integrated)
MAX863 - Dual / High-Efficiency / PFM / Step-Up DC-DC Controller (Maxim)

Other Datasheets by Maxim Integrated Products

MAX8645X - 1x/1.5x/2x White LED Charge Pumps
MAX8640Y - 4MHz/2MHz Synchronous Step-Down DC-DC Converters
MAX8640Z - 4MHz/2MHz Synchronous Step-Down DC-DC Converters
MAX8643 - 2MHz Step-Down Regulator
MAX8643A - 2MHz Step-Down Regulator
MAX8646 - 2MHz Step-Down Regulator

Published: Jul 16, 2007 |