NCP81147MNTXG

Description：IC REG CTRLR BUCK 16QFN
Series：-
Mfr：onsemi
Package：Tape & Reel (TR)

SKU:737436915544 Category: DC DC Switching Controllers Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC REG CTRLR BUCK 16QFN
Series：-
Mfr：onsemi
Package：Tape & Reel (TR)
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：4.5V ~ 13.2V
Frequency - Switching：100kHz ~ 1MHz
Duty Cycle (Max)：95%
Synchronous Rectifier：Yes
Clock Sync：Yes
Serial Interfaces：-
Control Features：Enable, Frequency Control, Power Good
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：16-VFQFN Exposed Pad
Supplier Device Package：16-QFN (3x3)
Grade：-
Qualification：-

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NCP81147MNTXG

Overview

The NCP81147MNTXG is a precise low voltage synchronous buck controller from onsemi. It operates within an input supply voltage range of 5 V to 12 V and delivers an output voltage adjustable between 0.8 V and 3.3 V. The device utilizes current mode control architecture and features an operating supply current of 200 uA to 400 uA. It is housed in a compact 16-pin QFN package with dimensions of 3 x 3 x 0.9 mm, designed for industrial screening levels.

Feature Summary

Implements current mode control for stable regulation
Supports power saving modes for efficiency optimization
Designed for precise low voltage synchronous buck applications

Applications

Industrial systems requiring low voltage regulation
Embedded systems utilizing synchronous buck topologies
Power management solutions for compact electronic devices

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific ordering suffix matches the required package and temperature grade. Check for recent Product Change Notifications regarding manufacturing site updates or material declarations. Ensure compliance with RoHS and REACH regulations relevant to your region before finalizing procurement decisions.

Selection Notes

Select this controller for designs requiring a compact 16-QFN footprint and precise low-voltage output regulation. Consider its current mode control characteristics for dynamic load response requirements. Evaluate the 5 V to 12 V input range against your system's available power rails. Assess the industrial screening level suitability for your operational environment constraints.

Part Context

This component belongs to onsemi's series of synchronous buck controllers. It complements other power management ICs by providing efficient step-down conversion capabilities. The device integrates essential control logic for managing external MOSFETs in high-efficiency DC-DC converter circuits.