Datasheet > NCP3102

NCP3102

更新时间： 2024-11-24 04:37:55

品牌	Logo	应用领域
安森美 - ONSEMI		转换器
页数	文件大小	规格书
18页	1905K
描述
Wide Input Voltage Synchronous Buck Converter

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NCP3102 数据手册

NCP3102

Wide Input Voltage

Synchronous Buck Converter

The NCP3102 is a high efficiency, 10 A DC-DC buck converter

designed to operate from a 5 V to 13.2 V supply. The device is capable

of producing an output voltage as low as 0.8 V. The NCP3102 can

continuously output 10 A through MOSFET switches driven by an

internally set 275 kHz oscillator. The 40-pin device provides an

optimal level of integration to reduce size and cost of the power

supply. The NCP3102 also incorporates an externally compensated

transconductance error amplifier and a capacitor programmable

soft-start function. Protection features include programmable short

circuit protection and under voltage lockout (UVLO). The NCP3102

is available in a 40-pin QFN package.

http://onsemi.com

MARKING

DIAGRAM

QFN40

CASE 485AK

NCP3102

AWLYYWWG

= Assembly Location

WL = Wafer Lot

YY = Year

WW = Work Week

= Pb-Free Package

Features

•ꢀInput Voltage Range from 4.5 V to 13.2 V

•ꢀ275 kHz Internal Oscillator

•ꢀGreater than 90% Maximum Efficiency

•ꢀBoost Pin Operates to 25 V

PIN CONNECTIONS

•ꢀVoltage Mode PWM Control

•ꢀ0.8 V $1% Internal Reference Voltage

•ꢀAdjustable Output Voltage by Resistor Divider

•ꢀCapacitor Programmable Soft-Start

•ꢀ80% Maximum Duty Cycle

•ꢀInput Undervoltage Lockout

•ꢀResistor Programmable Current Limit

•ꢀThis is a Pb-Free Device

Applications

•ꢀServers/Networking

•ꢀDSP and FPGA Power Supply

•ꢀDC-DC Regulator Modules

(Top View)

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 16 of this data sheet.

100

Vin

Vout

= 5.0 V

= 12 V

PWRVCC CPHS BST

VCC

PWRPHS

NCP3102

COMP/DIS

TGOUT

TGIN

AGND

BG PWRGND

GND

OUTPUT CURRENT (A)

Figure 1. Typical Application Diagram

Figure 2. Efficiency

©ꢀ Semiconductor Components Industries, LLC, 2007

November, 2007 - Rev. 2

Publication Order Number:

NCP3102/D

12 3 4 5 6 7...18

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