Datasheet > NCP1596MNTWG

NCP1596MNTWG

更新时间： 2024-11-25 01:19:15

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
12页	215K
描述
1.5 MHz Current Mode PWM Buck Down Converter

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中文翻译

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NCP1596MNTWG 数据手册

NCP1596, NCP1596A

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1.5 A, 1.5 MHz Current

Mode PWM Buck Down

Converter

http://onsemi.com

The NCP1596/NCP1596A is a current mode PWM buck converter

with integrated power switch. It can provide up to 1.5 A output current

with high conversion efficiency. High frequency PWM control

scheme can provide a low output ripple noise. Thus, it allows the

usage of small size passive components to reduce the board space. In a

low load condition, the controller will automatically change to PFM

mode which provides a higher efficiency at low load. Additionally, the

device includes soft−start, thermal shutdown with hysteresis,

cycle−by−cyclecurrent limit, and short circuit protection. This device

is available in a compact 3x3 DFN package.

6 PIN DFN 3x3

MN SUFFIX

CASE 506AH

MARKING DIAGRAMS

Features

• High Efficiency up to 90%, 1 A @ 3.3 V, 75% @ 1.2 V

• Fully Internal Compensation

N1596

ALYW

1596A

ALYW

• Low Output Voltage Ripple, 20 mV Typical

•

1.5% Reference Voltage

N1596/1596A = Specific Device Code

= Assembly Location

= Wafer Lot

• High PWM Switching Frequency, 1.5 MHz

• Automatic PWM / PFM Switchover at Light Load

• Built−in 1 ms Digital Soft Start

= Year

= Work Week

= Pb−Free Package

• Cycle−by−cycle Current Limit

• Thermal Shutdown with Hysteresis

• Internal UVLO Protection

PIN CONNECTIONS

• Ext. Adjustable Output Voltage

• Low Profile and Minimum External Components

• Designed for use with Ceramic Capacitor

• Compact 3x3 DFN Package

GND

VCC

VCCP

GND

VCC

VCCP

1596

1596A

• These are Pb−Free Devices

(Top View)

Typical Applications

• Hard Disk Drives

• USB Power Device

• Wireless and DSL Modems

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 11 of this data sheet.

This document contains information on a product under development. ON Semiconductor

reserves the right to change or discontinue this product without notice.

Publication Order Number:

March, 2009 − Rev. P3

NCP1596/D

12 3 4 5 6 7...12

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