Datasheet Texas Instruments LM3697YFQR — Datenblatt

3-String-Hintergrundbeleuchtungstreiber mit 11 Bit Exponential Dimming 12-DSBGA -40 bis 125

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PDF, 1.5 Mb, Revision: C, Datei veröffentlicht: Oct 23, 2015

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

Number of Channels	3
Duty Cycle(Max)	94 %
LED	30
LED Current Per Channel	30 mA
Operating Temperature Range	-40 to 125 C
Package Group	DSBGA
Package Size: mm2:W x L	See datasheet (DSBGA) PKG
Peak Efficiency	91 %
Rating	Catalog
Shutdown Current(Typ)	1 uA
Special Features	I2C Control,OVP,PWM Control
Switching Frequency(Max)	1100 kHz
Topology	Boost
Type	Inductive
Vin(Max)	5.5 V
Vin(Min)	2.7 V
Vout(Max)	41.1 V

RoHS

Compliant

Evaluation Modules & Boards: LM3697EVM
Evaluation Module for LM3697 Three String White LED Driver for Smartphone Handsets
Lifecycle Status: Active (Recommended for new designs)
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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: LM3697 (1)