Specification	LM3503SQ-44

Applications	Backlight
Current - Output / Channel	750 mA
Dimming	PWM, Analog
Frequency	1 MHz
Internal Switch(s)	Yes
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Package / Case	16-WFQFN Exposed Pad
Package Length	4 mm
Package Name	16-WQFN
Package Width	4 mm
Topology	Step-Up (Boost)
Type	DC DC Regulator
Voltage - Output	44 V
Voltage - Supply (Max)	5.5 V
Voltage - Supply (Min)	2.5 V

LM3503 Series

Part	Current - Output / Channel	Non-Isolated Output Count	Output Type	Total Output Count	Voltage - Input (Minimum)	Voltage - Input (Maximum)	Utilized IC / Part	Voltage - Output	Contents	Number of Outputs	Voltage - Supply (Min)	Voltage - Supply (Max)	Package / Case	Topology	Mounting Type	Frequency	Dimming	Applications	Type	Operating Temperature (Max)	Operating Temperature (Min)	Internal Switch(s)	Package Name	Package Width	Package Length
Texas Instruments LM3503ITL-25EV	9 mA	2 count	Non-Isolated	2	2.7 V	5.5 V	LM3503	25 V	Board
Texas Instruments LM3503ITL-25/NOPB	600 mA							25 V		2	2.5 V	5.5 V	10-WFBGA DSBGA	Step-Up (Boost)	Surface Mount	1 MHz	Analog PWM	Backlight	DC DC Regulator	85 °C	-40 °C	Yes	10-TµSMD	2.07 mm	1.9 mm
Texas Instruments LM3503SQX-44	750 mA							44 V		2	2.5 V	5.5 V	16-WFQFN Exposed Pad	Step-Up (Boost)	Surface Mount	1 MHz	Analog PWM	Backlight	DC DC Regulator	85 °C	-40 °C	Yes	16-WQFN	4 mm	4 mm
Texas Instruments LM3503ITLX-35/NOPB	750 mA							35 V		2	2.5 V	5.5 V	10-WFBGA DSBGA	Step-Up (Boost)	Surface Mount	1 MHz	Analog PWM	Backlight	DC DC Regulator	85 °C	-40 °C	Yes	10-TµSMD	2.07 mm	1.9 mm
Texas Instruments LM3503SQ-35-NS
Texas Instruments LM3503SQ-16/NOPB	400 mA							16 VAC		2	2.5 V	5.5 V	16-WFQFN Exposed Pad	Step-Up (Boost)	Surface Mount	1 MHz	Analog PWM	Backlight	DC DC Regulator	85 °C	-40 °C	Yes	16-WQFN	4 mm	4 mm
Texas Instruments LM3503SQ-35	750 mA							35 V		2	2.5 V	5.5 V	16-WFQFN Exposed Pad	Step-Up (Boost)	Surface Mount	1 MHz	Analog PWM	Backlight	DC DC Regulator	85 °C	-40 °C	Yes	16-WQFN	4 mm	4 mm
Texas Instruments LM3503SQ-44/NOPB	750 mA							44 V		2	2.5 V	5.5 V	16-WFQFN Exposed Pad	Step-Up (Boost)	Surface Mount	1 MHz	Analog PWM	Backlight	DC DC Regulator	85 °C	-40 °C	Yes	16-WQFN	4 mm	4 mm
Texas Instruments LM3503SQX-35/NOPB	750 mA							35 V		2	2.5 V	5.5 V	16-WFQFN Exposed Pad	Step-Up (Boost)	Surface Mount	1 MHz	Analog PWM	Backlight	DC DC Regulator	85 °C	-40 °C	Yes	16-WQFN	4 mm	4 mm
Texas Instruments LM3503SQ-25/NOPB	600 mA							25 V		2	2.5 V	5.5 V	16-WFQFN Exposed Pad	Step-Up (Boost)	Surface Mount	1 MHz	Analog PWM	Backlight	DC DC Regulator	85 °C	-40 °C	Yes	16-WQFN	4 mm	4 mm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Create a free account to access distributor pricing data.

CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

LM3503SQ-44 | Datasheet