NCP1595A

更新时间： 2024-11-24 04:37:59

品牌	Logo	应用领域
安森美 - ONSEMI		转换器
页数	文件大小	规格书
12页	129K
描述
Current Mode PWM Converter for Low Voltage Outputs

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数据手册

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NCP1595A 数据手册

NCP1595, NCP1595A

Current Mode PWM

Converter for Low Voltage

Outputs

The NCP1595/NCP1595A is a current mode PWM buck converter

with integrated power switch and synchronous rectifier. 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 for provides a higher efficiency at

low load. Additionally, the device includes soft−start, thermal

shutdown with hysteresis, cycle−by−cycle current limit, and short

circuit protection. This device is available in compact 3x3 DFN

package.

http://onsemi.com

DFN6 3*3 MM, 0.95 PITCH

CASE 506AH

Features

MARKING DIAGRAMS

• High Efficiency 95% @ 3.375 V

• Synchronous Rectification for Higher Efficiency in PWM Mode

• Integrated MOSFET

N1595

ALYW

1595A

ALYW

• Fully Internal Compensation

• High Switching Frequency, 1.0 MHz

• Low Output Ripple

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

• Cycle−by−cycle Current Limit

• Current Mode Control

• Short Circuit Protection

• Built−in Slope Compensation for Current Mode PWM Converter

• $1.5% Reference Voltage

PIN CONNECTIONS

• Thermal Shutdown with Hysteresis

• Ext. Adjustable Output Voltage

• Fast Transient Response

GND

VCC

VCCP

GND

VCC

VCCP

• Low Profile and Minimum External Components

• Designed for Use with Ceramic Capacitor

• Compact 3x3 DFN Package

1595

1595A

• These are Pb−Free Devices

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 11 of this data sheet.

Typical Applications

• Hard Disk Drives

• USB Power Device

• Wireless and DSL Modems

Semiconductor Components Industries, LLC, 2006

Publication Order Number:

October, 2006 − Rev. 2

NCP1595/D

12 3 4 5 6 7...12

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