Datasheet > NCP3134MNTXG

NCP3134MNTXG

更新时间： 2024-11-07 01:20:35

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
13页	152K
描述
4 A Integrated Synchronous Buck Converter

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NCP3134MNTXG 数据手册

NCP3134

4 A Integrated Synchronous

Buck Converter

NCP3134 is a fully integrated synchronous buck converter for 3.3 V

and 5 V step−down applications. It can provide up to 4 A load current.

NCP3134 supports high efficiency, fast transient response and

provides power good indicator. The control scheme includes two

operation modes: FCCM and automatic CCM/DCM. In automatic

CCM/DCM mode, the controller can smoothly switch between CCM

and DCM, where converter runs at reduced switching frequency with

much higher efficiency. NCP3134 is available in 3 mm x 3 mm

QFN16 pin package.

www.onsemi.com

QFN16 3 x 3, 0.5P

CASE 485DA

Features

• High Efficiency in both CCM and DCM

• High Operation Frequency at 2.2 MHz

• Support MLCC Output Capacitor

SUGGESTED PIN ARRANGEMENT

PGND PGND VIN VIN

• Small Footprint, 3 mm x 3 mm, 16−pin QFN Package

• Up to 4 A Continuous Output Current

• 2.9 V to 5.5 V Wide Conversion Voltage Range

• Output Voltage Range from 12% Vin to 80% Vin

• Internal 1.0 ms Soft−Start

VDD

AGND

NCP3134

PGD

VBST

• User Selection Between Automatic Power−Saving Mode and FCCM

Operations

COMP

• Voltage Mode Control

• Support Pre-bias Start−up Functionality

• Output Discharge Operation

SW SW SW PS

• Over−Temperature Protection

• Built−in Over−Voltage, Under−Voltage and Over-Current Protection

• Power Good Indicator

MARKING DIAGRAM

• This Device is Pb−Free and is RoHS Compliant

3134

ALYWG

Applications

• 5 V Step Down Rail

• 3.3 V Step Down Rail

3134

= Specific Device Code

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

(Note: Microdot may be in either location)

ORDERING INFORMATION

See detailed ordering, marking and shipping information in the

package dimensions section on page 12 of this data sheet.

Publication Order Number:

August, 2016 − Rev. 1

NCP3134/D

12 3 4 5 6 7...13

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