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MP2480

3A LED driver, Wide 5V to 36V Operating Input Range, Hysteretic Control, Short LED protection

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MP2480

MP2480

3A LED driver, Wide 5V to 36V Operating Input Range, Hysteretic Control, Short LED protection

Datasheet

Description

The MP2480 is step-down switching regulator that delivers a constant current of up to 3A to high-power LEDs. It integrates a high-side, high-voltage power MOSFET with a current limit of 4.3A. The wide 5V to 36V input range accommodates a variety of step-down applications, making it ideal for general lighting and LCD backlighting applications. Hysteretic current-mode control helps provide for a very fast response, which makes the 20kHz dimming frequency possible. MPSs proprietary feedback control minimizes the number of external components while delivering an LED current with a typical accuracy of ±3%. The switching frequency goes up to 2MHz, thus permitting smaller components. Thermal shut down, and short circuit protection provide reliable fault-tolerant operation. A 160µA quiescent current allows for use in battery-powered applications. The MP2480 is available in SOIC8-EP with an exposed pad on the bottom.

Features & Benefits

Wide 5V to 36V Operating Input Range
Up to 95% Efficiency
Hysteretic Control with No Compensation
No Output Capacitor Required
±3% LED Current Accuracy
Up to 2MHz Switching Frequency
Up to 20kHz Dimming Frequency
200mV Reference Voltage
Short-Circuit Protection with Integrated High-Side MOSFET
Thermal Shut Down
Available in SOIC8-EP

Active Part Numbers:

MP2480DN-LF-P MP2480DN-LF-Z

Meaning of P & Z

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MP2480DN-LF-Z MP2480DN-LF-P

Package: SOICW24-18L

2,500 per Reel

Buy Now Price $1.32 1K

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$2.68
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Additional quantities estimated to ship by 06 May, 2026

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Technical Forum

Questions answered by MPS engineers in 24h

Inductor selection of MP2480

Hi, I am working with MP2480 in my design VIN = 24V; Vout = 19V; Iout = 40mA (Backlight max current) Stuck with the inductor sel...

LIGHTING SOLUTIONS

Latest activity a year ago

MP2480 bootstrap capacitor value

The datasheet for the MP2480 shows a bootstrap capacitor connected between SW and BST. However, no value for this capacitor is g...

DC-DC POWER CONVERTERS

Latest activity 2 years ago

MP2480 Fsw Equation Current Ripple

For the MP2480 switching frequency equation, can I use inductor current ripple higher than 25%?

LIGHTING SOLUTIONS

Latest activity 6 years ago

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All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.

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