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National Semiconductor LM3503SQ-25 — Power Management (PMIC / Gate Driver)

National Semiconductor LM3503SQ-25

MPNLM3503SQ-25
Active

IC LED DRV RGLTR PWM 16WQFN

$0.7100Ref. price · indicative, final on quote
Packaging16-WFQFN Exposed Pad
RoHSRoHS non-compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LM3503SQ-25 specifications
ParameterValue
TypeDC DC Regulator
MountingSurface Mount
Voltage - output25V
Voltage5.5V
Current - output (Channel)600mA (Switch)
Frequency1MHz
I/O channels2
Operating temperature-40°C~85°C(TA)
DimmingAnalog, PWM
PackageBulk
TopologyStep-Up (Boost)
ApplicationsBacklight
Case16-WFQFN Exposed Pad
Internal switchYes