BUCK-5A-QFN

Synchronous Buck DC-DC Converter

Efficient buck converter with integrated synchronous rectification and minimal external components, ideal for space-constrained board-level power designs.

QFN
Industrial Power Supply / Communication Equipment / Energy Storage
Power Management IC

Description

Product Description

Integrates MOS and synchronous rectification internally for high conversion efficiency and a simplified external circuit, enabling multi-rail power delivery in compact layouts. Recommended inductor and capacitor specifications are available to streamline component selection.

Specifications

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

Output Current	5 A
Package Form	QFN
Input Voltage Range	4.5 V ~ 28 V
Switching Frequency	500 kHz
Typical Use Cases	Industrial Power Supplies, Communication Equipment, Energy Storage

The parameters shown represent general category ranges. Actual supply shall be based on the specification confirmed at the time of order.

Supply

Supply Details

Available via spot channels
Compatible Inductor and Capacitor Selection
Supports small-batch pilot production needs

Alternatives

Alternative Model

The following models are compatible alternatives with similar specifications or pinouts. Please verify details in the datasheet.

This table includes series-level reference items. Please confirm package, ratings, and fuse characteristics with engineering before bulk procurement.

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Brand

Alternative Model	Brand	Encapsulate	Rated Value	Description
TPS54560	Texas Instruments	—	——	Synchronous Step-Down Converter, 5A Output, QFN Package, Wide Input Voltage
MP2315S	MPS	—	——	3A Output Synchronous Buck Converter, SOT23-8 Package, Ultra-Compact Size
LMR33630	Texas Instruments	—	——	Synchronous Buck Converter, 3A Output, QFN Package, Low EMI Design
AP65550	Diodes Incorporated	—	——	Synchronous Buck Converter, 5A Output, SO-8EP Package, High Efficiency

TPS54560

Texas InstrumentsHetero-encapsulation

Encapsulate: —
Rated Value: —/ —

5A Synchronous Buck Converter in QFN Package with Wide Input Voltage Range

MP2315S

MPSHetero-encapsulation

Encapsulate: —
Rated Value: —/ —

3A Output, SOT23-8 Package, Ultra-Compact Synchronous Buck Converter

LMR33630

Texas InstrumentsHetero-encapsulation

Encapsulate: —
Rated Value: —/ —

Synchronous Step-Down Converter, 3A Output, QFN Package, Low EMI Design

AP65550

Diodes IncorporatedHetero-encapsulation

Encapsulate: —
Rated Value: —/ —

Synchronous Buck Converter, 5A Output, SO-8EP Package, High Efficiency

Alternative models are for reference only. Please confirm final selection based on application requirements and datasheets. For further recommendations, feel free to submit an inquiry.

Similar

Similar models within the same parameter range

The following models belong to the same product category and have similar voltage, current, and other parameter ranges for comparison during selection.