NCP81148MNTWG

$2.21

Description：IC REG QUAD BUCK/LNR SYNC 28QFN
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT),Bulk

SKU:6029986c227f Category: Voltage Regulators - Linear + Switching Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC REG QUAD BUCK/LNR SYNC 28QFN
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT),Bulk
Topology：Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
Number of Outputs：4
Frequency - Switching：300kHz, 400kHz, 600kHz
Voltage/Current - Output 1：5V, 6A
Voltage/Current - Output 2：5V, 6A
Voltage/Current - Output 3：5V, 60mA
w/LED Driver：No
w/Supervisor：No
w/Sequencer：No
Voltage - Supply：5.5V ~ 28V
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：28-VFQFN Exposed Pad
Supplier Device Package：28-QFN (4x4)
Grade：-
Qualification：-

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NCP81148MNTWG

Overview

The NCP81148MNTWG is a synchronous buck controller manufactured by onsemi, designed for high-efficiency power conversion. It features an integrated low-dropout regulator (LDO) and supports auto power saving modes to optimize efficiency across varying load conditions. The device operates within a temperature range of 0°C to +85°C and utilizes a QFN-28 package for compact surface-mount installation.

Feature Summary

Integrates a built-in LDO for auxiliary power supply requirements
Supports auto power saving mode for enhanced light-load efficiency
Designed as a synchronous buck controller for stable voltage regulation

Applications

Industrial equipment power management
Consumer electronics voltage regulation
Telecommunications infrastructure power supplies

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches the required package and tape-and-reel specifications. Check for recent product discontinuation notices or end-of-life notifications from onsemi to ensure long-term availability for production cycles.

Selection Notes

Select this component when a compact synchronous buck solution with integrated LDO functionality is required. Ensure the operating temperature range meets the environmental constraints of the target application. Verify that the QFN-28 footprint aligns with the PCB layout capabilities and thermal management strategies of the design.

Part Context

This part belongs to the NCP81xxx series of power management ICs from onsemi. It is categorized under switching controllers and PMICs. The device is distinct from gate drivers and general-purpose regulators, focusing specifically on synchronous buck topology with integrated linear regulation capabilities for system stability.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult onsemi technical support for qualified alternatives if this component is discontinued or unavailable.

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

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

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

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

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.