NB6381DL-LF-Z

Description：IC REG BUCK ADJ 8A 20QFN
Series：-
Mfr：Monolithic Power Systems Inc.
Package：Tape & Reel (TR)

SKU:da594c781ec3 Category: Voltage Regulators - DC DC Switching Regulators Brand: Monolithic Power Systems Inc.

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Product introduction

NB6381DL-LF-Z is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Monolithic Power Systems Inc.. Its product description is IC REG BUCK ADJ 8A 20QFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for NB6381DL-LF-Z

Description：IC REG BUCK ADJ 8A 20QFN
Series：-
Mfr：Monolithic Power Systems Inc.
Package：Tape & Reel (TR)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：4.5V
Voltage - Input (Max)：28V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：13V
Current - Output：8A
Frequency - Switching：200kHz ~ 1MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：20-VFQFN Exposed Pad
Supplier Device Package：20-QFN (3x4)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for NB6381DL-LF-Z

NB6381DL-LF-Z

Voltage Regulators - DC DC Switching Regulators Overview

The NB6381DL-LF-Z is a synchronous step-down switching regulator manufactured by Monolithic Power Systems. It operates with an input voltage range of 4.5V to 28V and delivers up to 7A of output current. The device features a fixed switching frequency of 600kHz and supports adjustable output voltages from 0.8V to 20V. It utilizes a QFN-20 package for surface mount installation and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates high-side and low-side N-channel MOSFETs for efficient synchronous rectification
Utilizes constant on-time control architecture for fast transient response
Includes integrated bootstrap diode to simplify external component requirements

Voltage Regulators - DC DC Switching Regulators Applications

Point-of-load regulation in industrial equipment
Power supply stages for embedded computing systems
Distribution power management in telecommunications infrastructure

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against official manufacturer documentation, as variations may indicate different thermal or packaging specifications. Confirm RoHS compliance status directly with the supplier. Ensure the source provides valid traceability for this specific part number to avoid counterfeit components during acquisition.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 28V is required alongside moderate current delivery. The QFN-20 package offers a compact footprint suitable for space-constrained designs. Consider the fixed 600kHz frequency when optimizing external inductor and capacitor values for desired ripple performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the NB638 series of synchronous buck converters from Monolithic Power Systems. It shares architectural similarities with other members like the NB638DL-LF-Z but is distinguished by its specific pinout and electrical ratings designed for 7A applications. The series targets general-purpose power management needs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided reference data. Verify compatibility with existing board layouts before considering alternative devices from the same manufacturer family.

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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.