Datasheet > NCP81042MNTXG

NCP81042MNTXG

更新时间： 2024-09-17 01:23:51

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
12页	189K
描述
Precise Low Voltage Synchronous Buck Controller

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中文翻译

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NCP81042MNTXG 数据手册

NCP81042

Precise Low Voltage

Synchronous Buck

Controller with Power

Saving Mode

http://onsemi.com

The NCP81042 is a simple single phase solution with differential

phase current sensing, power saving operation, and gate drivers to

provide accurately regulated power.

MARKING

DIAGRAMS

The adaptive non overlap gate drive and power saving operation

circuit provide a low switching loss and high efficiency solution for

server, notebook, and desktop systems. A high performance

operational error amplifier is provided to simplify compensation of the

system. The NCP81042 features also include soft−start sequence,

accurate overvoltage and over current protection, UVLO for VCC and

VCCP, and thermal shutdown.

81042

ALYWG

QFN16

CASE 485G

81042 = Specific Device Code

= Assembly Location

= Wafer Lot

Features

= Year

• High Performance Operational Error Amplifier

• Internal Soft−Start/Stop

= Work Week

= Pb−Free Package

•

0.5% Internal Voltage Accuracy, 0.8 V voltage reference

(*Note: Microdot may be in either location)

• OCP accuracy, Four Re−entry Times Before Latch

• “Lossless” Differential Inductor Current Sensing

• Internal High Precision Current Sensing Amplifier

• Oscillator Frequency Range of 100 kHz − 1000 kHz

• 20 ns Adaptive FET Non−overlap Time of Internal Gate Driver

• 5.0 V to 12 V Operation

PIN CONNECTIONS

• Support 1.5 V to 19 V V

• V from 0.8 V to 3.3 V (5 V with 12 V

)

out

VCCP

CSN/VO

FBG

• Chip Enable through OSC pin

• Latched Over Voltage Protection (OVP)

• Internally Fixed OCP Threshold

VSEN

• Guaranteed Startup Into Pre−Charged Loads

• Thermally Compensated Current Monitoring

• Thermal Shutdown Protection

BOOT

• Integrated MOSFET Drivers

• Integrated BOOST Diode with internal R = 2.2 W

bst

• Automatic Power Saving Mode to Maximize Efficiency During Light

(Top View)

Load Operation

• Sync Function

• Remote Ground Sensing

• This is a Pb−Free Device*

ORDERING INFORMATION

Device

Package

Shipping

NCP81042MNTXG

QFN16

(Pb−Free)

3000 / Tape &

Reel

Applications

• Desktop and Server Systems

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

Publication Order Number:

August, 2012 − Rev. P0

NCP81042/D

12 3 4 5 6 7...12

中文翻译

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与NCP81042MNTXG相关器件

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NCP81044	ONSEMI	获取价格	Low Voltage Synchronous Buck Controller
NCP81044DR2G	ONSEMI	获取价格	Low Voltage Synchronous Buck Controller
NCP81045	ONSEMI	获取价格	Single Synchronous Step-Down Controller
NCP81045MNTXG	ONSEMI	获取价格	Single Synchronous Step-Down Controller
NCP81046	ONSEMI	获取价格	Low Voltage Synchronous Buck Controller
NCP81046MNTWG	ONSEMI	获取价格	Low Voltage Synchronous Buck Controller
NCP81046MNTXG	ONSEMI	获取价格	Low Voltage Synchronous Buck Controller
NCP81061MNTWG	ONSEMI	获取价格	IC,DUAL MOSFET DRIVER,LLCC,16PIN,PLASTIC
NCP81062	ONSEMI	获取价格	Compatible Synchronous Buck MOSFET Drivers
NCP81062MNTWG	ONSEMI	获取价格	Compatible Synchronous Buck MOSFET Drivers

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