LM3503SQ-44

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National Semiconductor

IC LED DRV RGLTR PWM 16WQFN

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National Semiconductor

IC LED DRV RGLTR PWM 16WQFN

Technical Specifications

Parameters and characteristics for this part

Part	Supplier Device Package	Voltage - Supply (Min) [Min]	Dimming	Voltage - Supply (Max)	Package / Case	Current - Output / Channel	Voltage - Output	Applications	Frequency	Mounting Type	Number of Outputs	Operating Temperature [Max]	Operating Temperature [Min]	Topology	Type
National Semiconductor LM3503SQ-35-NS
National Semiconductor LM3503SQ-16	16-WQFN (4x4)	2.5 V	Analog PWM	5.5 V	16-WFQFN Exposed Pad	400 mA	16 V	Backlight	1 MHz	Surface Mount	2	85 °C	-40 °C	Step-Up (Boost)	DC DC Regulator
National Semiconductor LM3503SQ-44/NOPB	16-WQFN (4x4)	2.5 V	Analog PWM	5.5 V	16-WFQFN Exposed Pad	750 mA	44 V	Backlight	1 MHz	Surface Mount	2	85 °C	-40 °C	Step-Up (Boost)	DC DC Regulator
National Semiconductor LM3503ITL-44	10-DSBGA	2.5 V	Analog PWM	5.5 V	10-WFBGA DSBGA	750 mA	44 V	Backlight	1 MHz	Surface Mount	2	85 °C	-40 °C	Step-Up (Boost)	DC DC Regulator
National Semiconductor LM3503SQ-35/NOPB	16-WQFN (4x4)	2.5 V	Analog PWM	5.5 V	16-WFQFN Exposed Pad	750 mA	35 V	Backlight	1 MHz	Surface Mount	2	85 °C	-40 °C	Step-Up (Boost)	DC DC Regulator
National Semiconductor LM3503ITL-16/NOPB	10-DSBGA	2.5 V	Analog PWM	5.5 V	10-WFBGA DSBGA	400 mA	16 V	Backlight	1 MHz	Surface Mount	2	85 °C	-40 °C	Step-Up (Boost)	DC DC Regulator
National Semiconductor LM3503SQ-44	16-WQFN (4x4)	2.5 V	Analog PWM	5.5 V	16-WFQFN Exposed Pad	750 mA	44 V	Backlight	1 MHz	Surface Mount	2	85 °C	-40 °C	Step-Up (Boost)	DC DC Regulator
National Semiconductor LM3503SQ-25	16-WQFN (4x4)	2.5 V	Analog PWM	5.5 V	16-WFQFN Exposed Pad	600 mA	25 V	Backlight	1 MHz	Surface Mount	2	85 °C	-40 °C	Step-Up (Boost)	DC DC Regulator

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

Distributor	Package	Quantity	$

Digikey	Bulk	392	$ 0.77

General part information

LED Driver IC 2 Output DC DC Regulator Step-Up (Boost) Analog, PWM Dimming 750mA (Switch) 16-WQFN (4x4)

Technical documentation and resources

No documents available