Datasheet Texas Instruments LM3631 — Datenblatt

Hersteller	Texas Instruments
Serie	LM3631

Integrierter WLED-Hintergrundbeleuchtungstreiber und Bias Power für LCD-Panels

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PDF, 1.5 Mb, Datei veröffentlicht: Aug 21, 2014

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	LM3631YFFR
Lifecycle Status	Active (Recommended for new designs)
Manufacture's Sample Availability	Yes

Parameters / Models	LM3631YFFR
Number of Channels	2
Duty Cycle(Max), %	94
LED	16
LED Current Per Channel, mA	25
Operating Temperature Range, C	-40 to 85
Package Group	DSBGA
Package Size: mm2:W x L, PKG	See datasheet (DSBGA)
Peak Efficiency, %	90
Rating	Catalog
Shutdown Current(Typ), uA	1
Special Features	Adjustable Switch Frequency,CABC,Enable/Shutdown,I2C Control,OVP,PWM Control,Power Good,Soft Start
Switching Frequency(Max), kHz	1100
Topology	Boost,Current Sink,LDO,Multi-Channel
Type	Inductive
Vin(Max), V	5.0
Vin(Min), V	2.7
Vout(Max), V	30

	LM3631YFFR
RoHS	Compliant

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Analog PWM Dimming in White-LED Drivers
PDF, 539 Kb, Datei veröffentlicht: Dec 21, 2016
Pulse-width modulation (PWM) is a common type of dimming used to adjust the current in white-LEDdriver devices. PWM dimming takes a rectangle waveform with variable positive duty cycle (D) and adjuststhe LED current proportionally. For many smaller format white LED drivers (7-inch screen size or smaller),the PWM signal is converted to a DC control voltage and made to drive the LED current in

Serie: LM3631 (1)