Datasheet > NCP5269

NCP5269

更新时间： 2024-11-26 12:32:59

品牌	Logo	应用领域
安森美 - ONSEMI		控制器
页数	文件大小	规格书
11页	172K
描述
Synchronous Buck Controller with Auto Power Controller with Auto Power Inputs for System Agent

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中文翻译

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NCP5269 数据手册

NCP5269

Synchronous Buck

Controller with Auto Power

Saving Mode and 2-Bit VID

Inputs for System Agent

http://onsemi.com

MARKING

NCP5269 is a synchronous buck controller that is optimized for

converting the battery voltage or adaptor voltage into power supply

rails required in notebook and desktop system. NCP5269 is designed

for applications requiring dynamically selected slew−rate controlled

output voltages. The soft−start is programmed by a single capacitor.

Voltage identification logic−inputs select four resistor programmed

set−point reference voltages that directly set the output voltage of the

converter between 0.65 V to 1.5 V. NCP5269 supports high efficiency,

fast transient response and provides power good signal. ON

Semiconductor proprietary adaptive−ripple control enables seamless

transition from CCM to DCM, where converter runs at reduced

switching frequency with much higher efficiency. The part operates

with input voltage ranging from 3.3 V to 28 V. NCP5269 is available

in a 20−pin 3 mm x 3 mm QFN package.

DIAGRAM

5269

ALYWG

20 PIN QFN, 3x3

MN SUFFIX

CASE 485BC

5269

= Specific Device Code

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

(Note: Microdot may be in either location)

Features

• Wide Input Voltage Range: from 3.3 V to 28 V

• Three Selectable Fixed Frequency 300 kHz, 400 kHz or 600 kHz

• 2−Bit VID Selects Four Independent Voltages from 0.65 V to 1.5 V

PIN CONNECTIONS

•

1.0% System Accuracy

• Differential Remote Output Voltage Sensing

VCC

VID1

VID0

BST

SWN

VCCP

GL/FSET

• Soft Transient Control Reduces Inrush Current and Audio Noise

• Build−in Power−Good Masking Supports Voltage Identification

AGND

(VID) On−The−Fly Transients

• Simple Resistor Programming Voltage Levels

• Programmable Soft−Start through a Single Capacitor

• Automatic Power−Saving Mode

• Input Supply Voltage Feed Forward Control

• Resistive or Lossless Inductor’s DCR Current Sensing

• Over−Temperature Protection

(Top View)

ORDERING INFORMATION

• Built−in Adaptive Gate Drivers

• Output Discharge Operation

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

and Power Good Output

†

Device

NCP5269MNTWG

Package

Shipping

3000 /

Tape & Reel

QFN20

(Pb−Free)

• This is a Pb−Free Device

†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.

Applications

• Notebooks, Desktops & Servers

• I/O Supplies

• System Power Supplies

• Graphic Cards

Semiconductor Components Industries, LLC, 2013

Publication Order Number:

July, 2013 − Rev. 3

NCP5269/D

12 3 4 5 6 7...11

中文翻译

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与NCP5269相关器件

型号	品牌	获取价格	描述	数据表
NCP5269A	ONSEMI	获取价格	Synchronous Buck MOSFET Drivers
NCP5269AMNTWG	ONSEMI	获取价格	Synchronous Buck MOSFET Drivers
NCP5269MNTWG	ONSEMI	获取价格	System Agent Controller with 2-bit VID
NCP5304	ONSEMI	获取价格	High Voltage, High and Low Side Driver
NCP5304DR2G	ONSEMI	获取价格	High Voltage, High and Low Side Driver
NCP5304PG	ONSEMI	获取价格	High Voltage, High and Low Side Driver
NCP5306	ONSEMI	获取价格	Three−Phase VRM 9.0 Buck Controller
NCP5306/D	ETC	获取价格	Three Phase VRM 9.0 Buck Controller
NCP5306DW	ONSEMI	获取价格	Three−Phase VRM 9.0 Buck Controller
NCP5306DWR2	ONSEMI	获取价格	Three−Phase VRM 9.0 Buck Controller

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