Datasheet > NCV890103

NCV890103

更新时间： 2024-10-27 01:19:15

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
19页	163K
描述
Automotive Buck Switching Regulator

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中文翻译

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NCV890103 数据手册

NCV890103

1.2 A, 2 MHz Automotive

Buck Switching Regulator

with RSTB

The NCV890103 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 NCV890103 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 NCV890103 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

V8901

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 18 of this data sheet.

Features

• Internal N−Channel Power Switch

• Low V Operation Down to 4.5 V

• High V Operation to 36 V

• Withstands Load Dump to 40 V

• 2 MHz Free−running Switching Frequency

• Low Shutdown Current

• Logic level Enable Input Can be Directly Tied to

• Wettable Flanks DFN (pin edge plating)

Battery

• NCV Prefix for Automotive and Other Applications

• Reset with Adjustable Delay

Requiring Unique Site and Control Change

Requirements; AEC−Q100 Qualified and PPAP Capable

• These Devices are Pb−Free and are RoHS Compliant

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

• Short Circuit Protection enhanced by Frequency

Foldback

Applications

•

1.75% Output Voltage Tolerance

• Audio

• Infotainment

• Safety − Vision Systems

• Instrumentation

• Output Voltage Adjustable Down to 0.8 V

• 1.4 Millisecond Internal Soft−Start

• Thermal Shutdown (TSD)

Publication Order Number:

November, 2014 − Rev. 0

NCV890103/D

12 3 4 5 6 7...19

中文翻译

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与NCV890103相关器件

型号	品牌	获取价格	描述	数据表
NCV890103MWTXG	ONSEMI	获取价格	Automotive Buck Switching Regulator
NCV890104	ONSEMI	获取价格	Adjustable Front End Overvoltage Protection Controller
NCV890104MWR2G	ONSEMI	获取价格	Adjustable Front End Overvoltage Protection Controller
NCV890104MWTXG	ONSEMI	获取价格	IC SWITCHING REGULATOR, Switching Regulator or Controller
NCV890130	ONSEMI	获取价格	1.2 A, 2 MHz Automotive Buck Switching Regulator
NCV890130MWTXG	ONSEMI	获取价格	1.2 A, 2 MHz Automotive Buck Switching Regulator
NCV890130PDR2G	ONSEMI	获取价格	1.2 A, 2 MHz Automotive Buck Switching Regulator
NCV890131	ONSEMI	获取价格	1.2 A, 2 MHz Automotive Buck Switching Regulator
NCV890131MWTXG	ONSEMI	获取价格	1.2 A, 2 MHz Automotive Buck Switching Regulator
NCV8901AMNTXG	ONSEMI	获取价格	IC 1.7 A SWITCHING REGULATOR, 2200 kHz SWITCHING FREQ-MAX, PDSO8, 3 X 3 MM, 0.50 MM PITCH,

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