BUCK-5A-QFN

Synchronous buck DC-DC converter

Efficient synchronous buck converter with few external parts, suited to space-constrained board power.

QFN
Industrial power / communication equipment / energy storage
Power management ICs

Description

Product description

The integrated MOSFETs and synchronous rectification stage deliver high efficiency with a small external count, making multi-rail power practical in compact layouts. Matching inductor and capacitor ratings can be recommended to shorten selection time.

Specifications

Voltage range: 4.5 – 28 V
Current range: 5 A
Frequency range: 500 kHz

Show current	5 A
Package	QFN
Input voltage range	4.5 V ~ 28 V
Switching frequency	500 kHz
Typical applications	Industrial power, communication equipment, energy storage

Specifications indicate the typical range for this category; the datasheet confirmed with your order takes precedence.

Supply

Supply Notes

Available via the stock channel
Inductor and capacitor selection support
Small-batch trial production supported

Alternatives

Alternative Models

The part numbers below are alternatives for this product with similar specifications or pin compatibility; please verify against the datasheet.

Some rows are series-level references. Confirm package, ratings, and fusing characteristics with Engineering before volume purchasing.

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Brand

Alternative part number	Brand	Package	Rating	Note
TPS54560	Texas Instruments	—	——	Synchronous buck converter, 5A output, QFN, wide input voltage
MP2315S	MPS	—	——	Synchronous buck converter, 3A output, SOT23-8, ultra-compact
LMR33630	Texas Instruments	—	——	Synchronous buck converter, 3A output, QFN, low EMI design
AP65550	Diodes Incorporated	—	——	Synchronous buck converter, 5A output, SO-8EP, high efficiency

TPS54560

Texas InstrumentsDifferent package

Package: —
Rating: —/ —

Synchronous buck converter, 5A output, QFN, wide input voltage

MP2315S

MPSDifferent package

Package: —
Rating: —/ —

Synchronous buck converter, 3A output, SOT23-8, ultra-compact

LMR33630

Texas InstrumentsDifferent package

Package: —
Rating: —/ —

Synchronous buck converter, 3A output, QFN, low EMI design

AP65550

Diodes IncorporatedDifferent package

Package: —
Rating: —/ —

Synchronous buck converter, 5A output, SO-8EP, high efficiency

Alternative models are for reference only. Confirm actual selection based on application requirements and datasheets. For further suggestions, submit an inquiry.

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