LM3697YFQR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LM3697YFQR
Manufacturer

TI
ChipWorker Part#

CW50461607
Category

LED Driver, LED Display Driver
Package

DSBGA-12
Description

TEXAS INSTRUMENTS LM3697YFQR Led Driver, 1 Output, Boost (Step Up), 2.7V-5.5V in, 1MHz switch, 40V/30mA out, DSBGA-12
Documentation

Datasheet

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LM3697YFQR Specifications

Attribute	Attribute Value

Part Number	LM3697YFQR
Manufacturer	TI
ChipWorker Part#	CW50461607
Category	LED Driver, LED Display Driver
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	12 Pin
Case/Package	DSBGA-12
Frequency	500kHz,1MHz
Number of Outputs	1 Output
Output Voltage	40 V
Output Current	30 mA
Number of Channels	3 Channel
Number of Positions	12 Position
Quiescent Current	1.00 mA
Switching Frequency	1 MHz
Topology	Boost
Input Voltage (Max)	5.5 V
Input Voltage (Min)	2.7 V
Input Voltage (DC Max)	5.5 V
Input Voltage (DC Min)	2.7 v
Output Voltage (Max)	41.1 V
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	2.7V ~ 5.5V
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Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
HK STC License	NLR

Product Description

The LM3697 11-bit LED driver provides high-performance backlight dimming for 1, 2, or 3 series LED strings while delivering up to 90% efficiency. The boost converter with integrated 1-A, 40-V MOSFET automatically adjusts to LED forward voltage to minimize headroom voltage and effectively improve LED efficiency.
The LM3697 is a high-efficiency three-string power source for backlight or keypad LEDs in smart-phone handsets. The high-voltage inductive boost converter provides the power for three-series LED strings for display backlight and keypad functions (HVLED1, HVLED2 and HVLED3).
An additional feature is a pulse width modulation (PWM) control input for content adjustable backlight control, which can be used to control any high-voltage current sink.
The LM3697 is fully configurable via an I2C-compatible interface. The device operates over a 2.7-V to 5.5-V input voltage range and a −40°C to 85°C temperature range.

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