Datasheet > NCV890203

NCV890203

更新时间： 2024-10-27 01:20:03

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
18页	162K
描述
Automotive Buck Switching Regulator

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NCV890203 数据手册

NCV890203

2.0 A, 2 MHz Automotive

Buck Switching Regulator

with RSTB

The NCV890203 is a fixed−frequency, monolithic, Buck switching

regulator intended for Automotive, battery−connected applications

that must operate with up to a 36 V input supply. The regulator is

suitable for systems with low noise and small form factor

requirements often encountered in automotive driver information

systems. The NCV890203 is capable of converting the typical 4.5 V to

18 V automotive input voltage range to outputs as low as 3.3 V at

a constant switching frequency above the sensitive AM band,

eliminating the need for costly filters and EMI countermeasures.

A Reset pin signals when the output is in regulation, and a pin is

provided to adjust the delay before the RSTB signal goes high.

The NCV890203 also provides several protection features expected in

Automotive power supply systems such as current limit, short circuit

protection, and thermal shutdown. In addition, the high switching

frequency produces low output voltage ripple even when using small

inductor values and an all−ceramic output filter capacitor − forming

a space−efficient switching regulator solution.

www.onsemi.com

MARKING DIAGRAM

V8902

ALYWG

DFN10

CASE 485C

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Device

(Note: Microdot may be in either location)

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 17 of this data sheet.

Features

• Internal N−Channel Power Switch

• 1.4 Millisecond Internal Soft−Start

• Low V Operation Down to 4.5 V

• Thermal Shutdown (TSD)

• High V Operation to 36 V

• Low Shutdown Current

• Withstands Load Dump to 40 V

• Wettable Flanks DFN (pin edge plating)

• 2 MHz Free−running Switching Frequency

• NCV Prefix for Automotive and Other Applications

Requiring Unique Site and Control Change

• Logic level Enable Input Can be Directly Tied to

Requirements; AEC−Q100 Qualified and PPAP Capable

• These Devices are Pb−Free and are RoHS Compliant

Battery

• Reset with Adjustable Delay

Applications

• 2.2 A (min) Cycle−by−Cycle Peak Current Limit

• Audio

• Short Circuit Protection enhanced by Frequency

• Infotainment

• Safety − Vision Systems

• Instrumentation

Foldback

•

1.75% Output Voltage Tolerance

• Output Voltage Adjustable Down to 0.8 V

Publication Order Number:

November, 2014 − Rev. 0

NCV890203/D

12 3 4 5 6 7...18

中文翻译

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与NCV890203相关器件

型号	品牌	获取价格	描述	数据表
NCV890203MWTXG	ONSEMI	获取价格	Automotive Buck Switching Regulator
NCV890204	ONSEMI	获取价格	2.0 A, 2 MHz Automotive Buck Switching Regulator
NCV890204MWR2G	ONSEMI	获取价格	2.0 A, 2 MHz Automotive Buck Switching Regulator
NCV890204MWTXG	ONSEMI	获取价格	IC SWITCHING REGULATOR, Switching Regulator or Controller
NCV890230	ONSEMI	获取价格	2 A, 2 MHz Automotive Buck Switching Regulator
NCV890230PDR2G	ONSEMI	获取价格	2 A, 2 MHz Automotive Buck Switching Regulator
NCV890231	ONSEMI	获取价格	2.0 A, 2 MHz Automotive Buck Switching Regulator
NCV890231MWTXG	ONSEMI	获取价格	2.0 A, 2 MHz Automotive Buck Switching Regulator
NCV890430	ONSEMI	获取价格	Duty Cycle Step-Down Synchronous Regulator
NCV890430_16	ONSEMI	获取价格	Duty Cycle StepâDown Synchronous Regulator

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