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首页 > Products > Power Management > DC/DC Step-Down Converter > Buck Step-Down Converter >CXSD6140 will automatically switch between PFM and PWM mode based on the load current, thus to enhan
CXSD6140 will automatically switch between PFM and PWM mode based on the load current, thus to enhan

CXSD6140 will automatically switch between PFM and PWM mode based on the load current, thus to enhance the converter efficiency at light load

CXSD6140 will automatically switch between PFM and PWM mode based on the load current, thus to enhan
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Product introduction

目录vSd嘉泰姆

1.产品概述       2.产品特点     3.应用范围      4.技术规格书下载(产品PDF文档) vSd嘉泰姆
5.
产品封装图   6.电路原理图  7.功能概述      8.
相关产品vSd嘉泰姆

一,产品概述(General Description)      
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      The CXSD6140 is a high efficiency current-mode asynchronous, 24V/1.2A buck converter.vSd嘉泰姆

Its input voltage ranges from 4V to 24V and it provides an adjustable regulatedvSd嘉泰姆

 output voltage from 0.810V to 5.5V while delivering up to 1.2A of output current.vSd嘉泰姆

     The switching frequency is set to 1.4MHz, which works with a inductor as smallvSd嘉泰姆

as 4.7uH.And the CXSD6140 will automatically switch between PFM and PWM modevSd嘉泰姆

 based on the load current,thus to enhance the converter efficiency at light load.vSd嘉泰姆

      CXSD6140 consists of many protection blocks such as UVLO, input voltage over vSd嘉泰姆

voltage protection to stand much higher input voltage spike, thermal protection andvSd嘉泰姆

 output short circuit protection.vSd嘉泰姆

    The CXSD6140 is available in the tiny SOT23-6 package.vSd嘉泰姆

二.产品特点(Features)
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Adjustable Output Voltage, Vfb=0.810VvSd嘉泰姆

Output current is up to 1.2AvSd嘉泰姆

Range of operation input voltage: 4-24VvSd嘉泰姆

Input voltage UVLO: 3.7V (voltage decreasing)vSd嘉泰姆

Input Overvoltage Protection @26VvSd嘉泰姆

Withstand input voltage spike >30VvSd嘉泰姆

Operating current at zero load: 0.8mA (typ.)vSd嘉泰姆

Line regulation: 0.1%/V (typ.)vSd嘉泰姆

Load regulation: 10mV (typ.)vSd嘉泰姆

High efficiency, up to 90%vSd嘉泰姆

Environment Temperature: -20°C~85°CvSd嘉泰姆

三,应用范围 (Applications)
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Security CameravSd嘉泰姆

Consumer Electronic Device for automobilevSd嘉泰姆

Portable DVDvSd嘉泰姆

ADSL Modem, WLAN routervSd嘉泰姆

Other 12V or double cell Li-ion batteryvSd嘉泰姆

powered devicevSd嘉泰姆

四.技术规格书下载(产品PDF)
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需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持vSd嘉泰姆

 QQ截图20160419174301.jpgvSd嘉泰姆

五,产品封装图 (Package)
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QQ截图20160416192124.jpg
六.电路原理图
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QQ截图20160416192117.jpg
七,功能概述
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Package Thermal Resistance  vSd嘉泰姆

ParametervSd嘉泰姆

ValuevSd嘉泰姆

Max Input VoltagevSd嘉泰姆

30VvSd嘉泰姆

Max Operating Junction Temperature(Tj)vSd嘉泰姆

125°CvSd嘉泰姆

Ambient Temperature(Ta)vSd嘉泰姆

-20°C – 85°CvSd嘉泰姆

Package Thermal ResistancevSd嘉泰姆

SOT23-6 (qJC)vSd嘉泰姆

110°C / WvSd嘉泰姆

SOT23-6 (qJA)vSd嘉泰姆

220°C / WvSd嘉泰姆

Storage Temperature(Ts)vSd嘉泰姆

-40°C - 150°CvSd嘉泰姆

Lead Temperature & TimevSd嘉泰姆

260°C, 10SvSd嘉泰姆

ESD (HBM)vSd嘉泰姆

>2000VvSd嘉泰姆

八,相关芯片选择指南
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降压型DC/DC转换器(DC/DC Step-down Converter)vSd嘉泰姆

Part No.vSd嘉泰姆

Power switchingvSd嘉泰姆

MODEvSd嘉泰姆

VINvSd嘉泰姆

VOUTvSd嘉泰姆

IQvSd嘉泰姆

FOSCvSd嘉泰姆

Eff.vSd嘉泰姆

CXSD6123vSd嘉泰姆

Built-in MOSFETSynchronousvSd嘉泰姆

PWM/PFMvSd嘉泰姆

Max 7VvSd嘉泰姆

ADJvSd嘉泰姆

35μAvSd嘉泰姆

1.5MHzvSd嘉泰姆

96%vSd嘉泰姆

CXSD6124vSd嘉泰姆

Built-in MOSFETSynchronousvSd嘉泰姆

PWM/PFMvSd嘉泰姆

2.6~6VvSd嘉泰姆

ADJvSd嘉泰姆

40μAvSd嘉泰姆

1.5MHzvSd嘉泰姆

96%vSd嘉泰姆

CXSD6125vSd嘉泰姆

Built-in MOSFET SynchronousvSd嘉泰姆

PWM/PFMvSd嘉泰姆