RT7251BZQW

$1.41

Description：IC REG BUCK ADJ 1.5A 8WDFN
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:a6ab59f0ca84 Category: Voltage Regulators - DC DC Switching Regulators Brand: Richtek USA Inc.

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Product introduction

RT7251BZQW is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Richtek USA Inc.. Its product description is IC REG BUCK ADJ 1.5A 8WDFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for RT7251BZQW

Description：IC REG BUCK ADJ 1.5A 8WDFN
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：4V
Voltage - Input (Max)：17V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：12V
Current - Output：1.5A
Frequency - Switching：800kHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-WFDFN Exposed Pad
Supplier Device Package：8-WDFN (2x2)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for RT7251BZQW

RT7251BZQW

Voltage Regulators - DC DC Switching Regulators Overview

The RT7251BZQW is a monolithic synchronous step-down DC/DC converter from Richtek Technology Corporation. It operates with an input voltage range of 4V to 17V and delivers up to 1.5A output current. The device supports fixed frequency operation at 340kHz or 800kHz. Output voltage is adjustable from 0.8V to 12V. Internal N-MOSFETs enable high efficiency, reaching up to 95%. The current mode architecture optimizes transient response. Protection features include cycle-by-cycle current limit, input under voltage lockout, output under voltage protection, output over voltage protection, and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Monolithic synchronous step-down DC/DC converter with internal N-MOSFETs
Current mode control architecture for optimized transient response
Comprehensive protection including cycle-by-cycle current limit and thermal shutdown
Stable with low ESR ceramic output capacitors

Voltage Regulators - DC DC Switching Regulators Applications

Point of load regulation for high-performance DSPs, FPGAs, and ASICs
Industrial and commercial low power systems
Computer peripherals
LCD monitors and TVs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number RT7251BZQW against official Richtek documentation to ensure correct suffix designation. Confirm that the specific variant matches the required switching frequency configuration and package type. Cross-reference the manufacturer datasheet for exact ordering information and compliance status. Ensure compatibility with system input voltage ranges and load requirements before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring a compact synchronous buck solution with adjustable output voltage. The 1.5A current capability suits moderate power loads in portable or space-constrained designs. Consider the available switching frequencies for EMI management and external component size optimization. Verify that the input voltage range aligns with the system supply rails and that the output voltage setting falls within the 0.8V to 12V adjustability window.

Voltage Regulators - DC DC Switching Regulators Part Context

The RT7251BZQW belongs to the RT7251A/B family of synchronous step-down converters. This series is designed for high efficiency and reliable performance in various electronic systems. The ZQW suffix typically indicates specific packaging and tape-and-reel options provided by the manufacturer. The device integrates compensation and protection circuits to simplify design implementation.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official replacement lists for direct substitutes. Verify pin compatibility and electrical specifications when considering alternative components from other manufacturers.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

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Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

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Mode of Transportation

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.