Datasheet > CS5212/D

CS5212/D

更新时间： 2024-11-19 23:43:47

品牌	Logo	应用领域
安森美 - ONSEMI		控制器
页数	文件大小	规格书
16页	104K
描述
Low Voltage Synchronous Buck Controller

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CS5212/D 数据手册

CS5212

Low Voltage Synchronous

Buck Controller

The CS5212 is a low voltage synchronous buck controller. It

contains all required circuitry for a synchronous buck converter using

external N–Channel MOSFETs. High current internal gate drivers are

http://onsemi.com

capable of driving high gate capacitance of low R

NFETs for

DS(on)

better efficiency. The V

control architecture is used to achieve

MARKING

DIAGRAM

unmatched transient response, the best overall regulation and the

simplest loop compensation.

Additionally, the CS5212 provides overcurrent protection,

undervoltage lockout, soft start, built–in adaptive non–overlap, and an

adjustable fixed frequency range of 150 kHz to 750 kHz, which gives

the designer more flexibility to make efficiency and component size

trade offs. The CS5212 will also operate over a 3.1 V to 7.0 V range

using either single or dual input voltage.

SOIC–14

D SUFFIX

CASE 751A

CS5212x

AWLYWW

= E or G

= Assembly Location

WL, L

YY, Y

= Wafer Lot

= Year

Features

• Switching Regulator Controller

WW, W = Work Week

– N–Channel Synchronous Buck Design

– V Control Topology

– 200 ns Transient Response

– Programmable Fixed Frequency of 150 kHz–750 kHz

– 1.0 V 1.5% Internal Reference

– Lossless Inductor Sensing Overcurrent Protection

– Hiccup Mode Short Circuit Protection

– Programmable Soft Start

PIN CONNECTIONS

GATE(H)

PGND

GATE(L)

BST

LGND

IS+

IS–

FFB

COMP

SGND

OSC

– 40 ns GATE Rise and Fall Times (3.3 nF Load)

– 70 ns Adaptive FET Nonoverlap Time

– Differential Remote Sense Capability

– Available in Industrial and Commerical Temperature Grades

• System Power Management

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 13 of this data sheet.

– 3.3 V Operation

– Undervoltage Lockout

– On/Off Control Through Use of the COMP Pin

Semiconductor Components Industries, LLC, 2002

Publication Order Number:

May, 2002 – Rev. 2

CS5212/D

12 3 4 5 6 7...16

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