E52210A80D [ELMOS]

LOW QUIESCENT CURRENT STEP DOWN CONVERTER;


型号：	E52210A80D
厂家：	ELMOS SEMICONDUCTOR AG
描述：	LOW QUIESCENT CURRENT STEP DOWN CONVERTER
文件：	总2页 (文件大小：192K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

LOW QUIESCENT CURRENT STEP DOWN CONVERTER

PRODUCTION DATA - APR 12, 2018

E522.10

Features

General Description

Wide input voltage range 3.8V to 40V

Defined VIN Reset at typ. 2.85V

Adjustable output voltage with either 800mV or

200mV internal reference voltage

Application output currents up to 2A

Up to >90% efficiency

Overtemperature protection

Integrated VIN undervoltage detection with

hysteresis

E522.10 is a low-cost, easy-to-use step down converter

suitable for automotive and industrial/consumer en-

vironment (QFN20L4 and SO8EP) at elevated junction

temperatures up to +160°C. Overtemperature protec-

tion is available for a typical junction temperature of

+185°C. It provides resistor programmable output volt-

age based on internal 800mV reference, also support-

ing current regulation topologies (e.g. LED drivers) by

providing internal 200mV reference.

Precise ON threshold for programmable

VIN voltage supervision

Integrated IDLE detection

Ultra low IDLE quiescent current of typ. 15μA

Low sleep current of typ. 10μA

High-voltage, power-good, open-drain output for

over- and undervoltage detection

Open-load stable regulation and 100% duty cycle

capability without external compensation network

Adaptive operation frequency up to 500kHz

Low current consumption of typ. only 10μA during

sleep mode are provided. Integrated light-load detec-

tion can automatically switch current consumption to

only 15μA with active output regulation. The versa-

tile high-voltage power-good signal provides under- or

overvoltage information.

Utilizing fast adaptive frequency operation (pulse

frequency modulation scheme) from 0Hz up to typ.

500kHz allows best possible line- and load-transient

response without the need of external compensation

networks. Regulation is open-load stable and allows

100% duty cycle without bootstrap capacitance.

Integrated foldback overcurrent protection limits

input currents during startup and in case of output

short circuit.

Applications

Battery driven applications

Simple switched-mode LED controllers

Always-On supply for μController

Energy efficient design in automotive environment

Cascaded power supplies with startup sequencing

Junction temperature range -40°C to +160°C

Ordering Information

Wettable ﬂanks

Ordering No.:

Package

Yes

E52210A52C

QFN20L4

SOIC8EP



E52210A52CXX2

E52210A80D



Typical Application Circuit

PGOOD

R_PGOOD

PGOOD

R_PGOOD

C_SENSE

VIN

C_IN

PGOOD

SENSE

PGOOD

SENSE

R_SENSE2

SELREF

GND

R_SENSE1

SELREF

L_LXT

LXT

E522.10

VOUT

C_OUT1

C_OUT2

L_LXT

OCP

LXT

C_OUT

R_OCP

GND

Voltage regulator topology

Current regulator topology (e.g. LED driver)

Elmos Semiconductor AG reserves the right to change the detail speciﬁcations as may be required to permit improvements in the design of its products.

Elmos Semiconductor AG

Info Sheet

QM-No.: 25IS0116E.01

Elmos Support

Headquarters

Elmos Semiconductor Aꢀ

Heinrich-Hertz-Str. 1

Sales and Application Support Office

ꢁorea

Elmos ꢁorea

44227 Dortmund (Germany)

Phone: +49 (0) 231 / 75 49-100

Fax: +49 (0) 231 / 75 49-149

sales-germany@elmos.com

www.elmos.com

Ofﬁce: C-301, Innovalley, 253, Pangyo-ro,

Bundang-gu, Sungnam-si, Gyeonggi-do,

13486 Korea

Phone: +82 (0) 31 714-1131

Fax: +82 (0) 31 8018-0790

sales-korea@elmos.com

Sales and Application Support Office

North America

Sales and Application Support Office

Japan

Elmos Japan ꢁ.ꢁ.

Tamachi 16th Fujishima Bldg. 6F

4-13-4 Shiba, Minato-ku,

Tokyo, 108-0014, Japan

Phone: +81 3 / 3451-7101

Fax: +81 3 / 3451-7104

sales-japan@elmos.com

Elmos NA. Inc.

32255 Northwestern Highway, Suite 220

Farmington Hills, MI 48334 (United States)

Phone: +1 (0) 248 / 8 65 32 00

Fax: +1 (0) 248 / 8 65 32 03

sales-usa@elmosna.com

Sales and Application Support Office

China

Elmos Semiconductor Technology (Shanghai) Co., Ltd.

Unit 16B, 16F Zhao Feng World Trade Building,

No. 369 Jiang Su Road,

Sales and Application Support Office

Singapore

Elmos Semiconductor Singapore Pte Ltd.

3A International Business Park

#09-13 ICON@IBP

Chang Ning District,

Shanghai, PR China, 200050

Phone: +86 (0) 21 / 6219 7502

Fax: +86 (0) 21 / 6210 0908 115

sales-china@elmos.com

609935 Singapore

Phone: +65 (0) 6908 1261

Fax: +65 (0) 6570 5906

sales-singapore@elmos.com

中国地区销售与应用支持

艾尔默斯半导体技术（上海）有限公司

中国上海市长宁区江苏路369号

兆丰世贸大厦16楼 16B单元，200050

电话: +86 (0) 21 / 6219 7502

传真: +86 (0) 21 / 6210 0908 115

sales-china@elmos.com

Note: Elmos Semiconductor AG (below Elmos) reserves the right to make changes to the product contained in this publication without notice. Elmos assumes no responsibility for the use of any circuits

described herein, conveys no licence under any patent or other right, and makes no representation that the circuits are free of patent infringement. While the information in this publication has been

checked, no responsibility, however, is assumed for inaccuracies. Elmos does not recommend the use of any of its products in life support applications where the failure or malfunction of the product

can reasonably be expected to cause failure of a life-support system or to signiﬁcantly affect its safety or effectiveness. Products are not authorized for use in such applications.

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