LM3509 datasheet, PDF - EEWORLD Datasheet

LM3509: DescriptionLM3509 High Efficiency Boost for White LED's and/or OLED Displays with Dual Current Sinks; Categorysemiconductor Power management; File Size3MB，31 Pages; ManufacturerTexas Instruments; Websitehttp://www.ti.com.cn/; Environmental Compliance

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LM3509 Overview

LM3509 High Efficiency Boost for White LED's and/or OLED Displays with Dual Current Sinks

Parameter Name	Attribute value
Peak efficiency(%)	88
Rating	Catalog
Features	I2C Control
Vin(Min)(V)	2.7
Vin(Max)(V)	5.5
LED(#)	10
Type	Inductive
Vout(Max)(V)	21
Package Group	WSON\|10
Switching frequency(Max)(kHz)	1250
Shutdown current(Typ)(uA)	3.6
Vout(Min)(V)	0
Duty cycle(Max)(%)	90
Operating temperature range(C)	-40 to 85
LED current per channel(mA)	30
Channels(#)	2
Topology	Boost
Approx. price(US$)	0.95 \| 1ku

	LM3509	LM3509SDX-NOPB	LM3509SDE-NOPB	LM3509SD-NOPB	LM3509SDX/NOPB	LM3509SDE/NOPB	LM3509SD/NOPB
Description	LM3509 High Efficiency Boost for White LED's and/or OLED Displays with Dual Current Sinks	LED Lighting Drivers High Efficiency Boost for White LED and/or OLED Displays with Dual Current Sinks 10-WSON -40 to 85	LED Lighting Drivers Y	LED Lighting Drivers Y	High Efficiency Boost for White LED's and/or OLED Displays with Dual Current Sinks 10-WSON -40 to 85	High Efficiency Boost for White LED's and/or OLED Displays with Dual Current Sinks 10-WSON -40 to 85	High Efficiency Boost for White LED's and/or OLED Displays with Dual Current Sinks 10-WSON -40 to 85
Features	I2C Control	I2C Control	I2C Control	I2C Control	-	-	-

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