Datasheet > NCV8870

NCV8870

更新时间： 2024-10-26 12:22:47

品牌	Logo	应用领域
安森美 - ONSEMI		控制器
页数	文件大小	规格书
11页	143K
描述
Automotive Grade Non-Synchronous Boost Controller

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数据手册

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NCV8870 数据手册

NCV8870

Automotive Grade

Non-Synchronous Boost

Controller

The NCV8870 is an adjustable output non−synchronous boost

controller which drives an external N−channel MOSFET. The device

uses peak current mode control with internal slope compensation. The

IC incorporates an internal regulator that supplies charge to the gate

driver.

http://onsemi.com

MARKING

DIAGRAM

Protection features include internally−set soft−start, undervoltage

lockout, cycle−by−cycle current limiting, hiccup−mode short−circuit

protection and thermal shutdown.

Additional features include low quiescent current sleep mode and

externally−synchronizable switching frequency.

SOIC−8

D SUFFIX

CASE 751

8870xx

ALYW

8870xx = Specific Device Code

xx = 00, 01

Features

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

• Peak Current Mode Control with Internal Slope Compensation

• 1.2 V 2% Reference voltage

• Fixed Frequency Operation

• Wide Input Voltage Range of 3.2 V to 40 Vdc, 45 V Load Dump

• Input Undervoltage Lockout (UVLO)

• Internal Soft−Start

PIN CONNECTIONS

• Low Quiescent Current in Sleep Mode

• Cycle−by−Cycle Current Limit Protection

• Hiccup−Mode Overcurrent Protection (OCP)

• Hiccup−Mode Short−Circuit Protection (SCP)

• Thermal Shutdown (TSD)

EN/SYNC

ISNS

VFB

GND

VIN

GDRV

VDRV

• This is a Pb−Free Device

(Top View)

ORDERING INFORMATION

†

Device

Package

Shipping

NCV887000D1R2G SOIC−8

(Pb−Free)

2500 / Tape &

Reel

NCV887001D1R2G SOIC−8

(Pb−Free)

2500 / Tape &

Reel

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

Publication Order Number:

September, 2012 − Rev. 1

NCV8870/D

12 3 4 5 6 7...11

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