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MP4425A

High-Efficiency, 1.5A, 36V, 2.2MHz, Synchronous, Step-Down LED Driver

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MP4425A

MP4425A

High-Efficiency, 1.5A, 36V, 2.2MHz, Synchronous, Step-Down LED Driver

Datasheet

Description

The MP4425A is a high-frequency, synchronous, rectified, step-down, switch-mode white LED driver with built-in power MOSFETs. It offers a very compact solution to achieve 1.5A of continuous output current with excellent load and line regulation over a wide input supply range. The MP4425A has synchronous mode operation to get high efficiency.

Current mode operation provides fast transient response and eases loop stabilization.

Full protection features include over-current protection (OCP) and thermal shutdown (TSD).

The MP4425A requires a minimal number of readily available, standard external components, and is available in a space-saving QFN-13
(2.5mmx3mm) package.

Features & Benefits

Wide 4V to 36V Operating Input Range
85mΩ/50mΩ Low RDS(ON) Internal Power MOSFETs
High-Efficiency Synchronous Mode Operation
Default 2.2MHz Switching Frequency
PWM Dimming (Min 100Hz Dimming Frequency)
Forced CCM Mode
0.2V Reference Voltage
Internal Soft Start
Fault Indication for LED Short, Open, and Thermal Shutdown
Over-Current Protection (OCP) with Valley- Current Detection
Thermal Shutdown
CISPR25 Class 5 Compliant
Available in a QFN-13 (2.5mmx3mm) Package

Active Part Numbers:

MP4425AGQB-P MP4425AGQB-Z

Meaning of P & Z

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Standard Pricing

In stock

MP4425AGQB-Z MP4425AGQB-P

Package: QFN-13 (2.5x3)

5,000 per Reel

Buy Now Price $1.58 1K

Quantity Unit Price
1

$1.88
10

$1.84
100

$1.73
250

$1.69
500

$1.64
1K

$1.58

Special Pricing Available for
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In stock now: 100

Order now, up to 100 estimated to ship by 16 Jul, 2025

Lead Time For Additional Quantities

Additional quantities estimated to ship by 31 Oct, 2025

Arrives 3-4 business days. Shipping only $5 per order.

100 Max per Company.
Limited Inventory to support product development.

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Technical Forum

Questions answered by MPS engineers in 24h

Difference between MP4425A and MP4425M

Hello, what exactly is the difference between MP4425A and MP4425M?

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Hii MPS team, I need Calculation sheet of MPQ24833 in Boost application. Please, if possible, send it to my mail nitin.tejaswi@forvia.com . Also kindl...

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Latest activity 3 days 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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