Datasheet > NCV8843_10

NCV8843_10

更新时间： 2024-10-26 12:24:59

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器
页数	文件大小	规格书
16页	385K
描述
1.5 A, 340 kHz, Buck Regulator with Synchronization Capability

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NCV8843_10 数据手册

NCV8843

1.5 A, 340 kHz, Buck

Regulator with

Synchronization Capability

The NCV8843 is a 1.5 A buck regulator IC operating at a

fixed−frequency of 340 kHz. The device uses the V t control

http://onsemi.com

architecture to provide unmatched transient response, the best overall

regulation and the simplest loop compensation for today’s high−speed

logic. The NCV8843 accommodates input voltages from 4.0 V to 40 V

and contains synchronization circuitry.

MARKING

DIAGRAMS

The on−chip NPN transistor is capable of providing a minimum of

1.5 A of output current, and is biased by an external “boost” capacitor

to ensure saturation, thus minimizing on−chip power dissipation.

Protection circuitry includes thermal shutdown, cycle−by−cycle

current limiting and frequency foldback.

SO−16W EP

PW SUFFIX

CASE 751AG

NCV8843

AWLYYWWG

Features

• V Architecture Provides Ultra−Fast Transient Response, Improved

Regulation and Simplified Design

• Wide Operating Range: 4 V to 40 V

• 2.0% Error Amp Reference Voltage Tolerance

DFN18

MN SUFFIX

CASE 505

NCV8843

AWLYYWW G

• Switch Frequency Decrease of 4:1 in Short Circuit Conditions

Reduces Short Circuit Power Dissipation

• BOOST Lead Allows “Bootstrapped” Operation to Maximize

Efficiency

• Sync Function for Parallel Supply Operation or Noise Minimization

SOIC−8

D SUFFIX

CASE 751

V8843

ALYWE

• Shutdown Lead Provides Power−Down Option

• 1.0 mA Quiescent Current During Power−Down

• Thermal Shutdown

WL, L

YY, Y

= Assembly Location

= Wafer Lot

• Soft−Start

= Year

WW, W = Work Week

• Exposed Pad Packages for Enhanced Thermal Characteristics

• NCV Prefix for Automotive and Other Applications Requiring Site

= Automotive Grade

= Pb−Free Package

and Change Control

G or G

• These are Pb−Free Devices

(Note: Microdot may be in either location)

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 13 of this data sheet.

Publication Order Number:

May, 2010 − Rev. 10

NCV8843/D

12 3 4 5 6 7...16

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与NCV8843_10相关器件

型号	品牌	获取价格	描述	数据表
NCV8843DG	ONSEMI	获取价格	降压转换器，1.5 A，340 kHz，具有同步功能
NCV8843DR2G	ONSEMI	获取价格	降压转换器，1.5 A，340 kHz，具有同步功能
NCV8843MNR2G	ONSEMI	获取价格	1.5 A, 340 kHz, Buck Regulator with Synchronization Capability
NCV8843PWG	ONSEMI	获取价格	1.5 A, 340 kHz, Buck Regulator with Synchronization Capability
NCV8843PWR2G	ONSEMI	获取价格	1.5 A, 340 kHz, Buck Regulator with Synchronization Capability
NCV8851	ONSEMI	获取价格	Automotive Grade Synchronous Buck Controller
NCV8851B	ONSEMI	获取价格	Automotive Grade Synchronous Buck Controller
NCV8851BDBR2G	ONSEMI	获取价格	Automotive Grade Synchronous Buck Controller
NCV8851DBG	ONSEMI	获取价格	Automotive Grade Synchronous Buck Controller
NCV8851DBR2G	ONSEMI	获取价格	Automotive Grade Synchronous Buck Controller

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