CXSD6140 will automatically switch between PFM and PWM mode based on the load current, thus to enhan
发表时间:2020-04-15
浏览次数:68

目录PQr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) PQr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PQr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.PQr嘉泰姆

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

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

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

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

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

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

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

 output short circuit protection.PQr嘉泰姆

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

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

Output current is up to 1.2APQr嘉泰姆

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

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

Input Overvoltage Protection @26VPQr嘉泰姆

Withstand input voltage spike >30VPQr嘉泰姆

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

Line regulation: 0.1%/V (typ.)PQr嘉泰姆

Load regulation: 10mV (typ.)PQr嘉泰姆

High efficiency, up to 90%PQr嘉泰姆

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

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

Consumer Electronic Device for automobilePQr嘉泰姆

Portable DVDPQr嘉泰姆

ADSL Modem, WLAN routerPQr嘉泰姆

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

powered devicePQr嘉泰姆

四.技术规格书下载(产品PDF)
直线PQr嘉泰姆

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PQr嘉泰姆

 QQ截图20160419174301.jpgPQr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  PQr嘉泰姆

ParameterPQr嘉泰姆

ValuePQr嘉泰姆

Max Input VoltagePQr嘉泰姆

30VPQr嘉泰姆

Max Operating Junction Temperature(Tj)PQr嘉泰姆

125°CPQr嘉泰姆

Ambient Temperature(Ta)PQr嘉泰姆

-20°C – 85°CPQr嘉泰姆

Package Thermal ResistancePQr嘉泰姆

SOT23-6 (qJC)PQr嘉泰姆

110°C / WPQr嘉泰姆

SOT23-6 (qJA)PQr嘉泰姆

220°C / WPQr嘉泰姆

Storage Temperature(Ts)PQr嘉泰姆

-40°C - 150°CPQr嘉泰姆

Lead Temperature & TimePQr嘉泰姆

260°C, 10SPQr嘉泰姆

ESD (HBM)PQr嘉泰姆

>2000VPQr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)PQr嘉泰姆

Part No.PQr嘉泰姆

Power switchingPQr嘉泰姆

MODEPQr嘉泰姆

VINPQr嘉泰姆

VOUTPQr嘉泰姆

IQPQr嘉泰姆

FOSCPQr嘉泰姆

Eff.PQr嘉泰姆

CXSD6123PQr嘉泰姆

Built-in MOSFETSynchronousPQr嘉泰姆

PWM/PFMPQr嘉泰姆

Max 7VPQr嘉泰姆

ADJPQr嘉泰姆

35μAPQr嘉泰姆

1.5MHzPQr嘉泰姆

96%PQr嘉泰姆

CXSD6124PQr嘉泰姆

Built-in MOSFETSynchronousPQr嘉泰姆

PWM/PFMPQr嘉泰姆

2.6~6VPQr嘉泰姆

ADJPQr嘉泰姆

40μAPQr嘉泰姆

1.5MHzPQr嘉泰姆

96%PQr嘉泰姆

CXSD6125PQr嘉泰姆

Built-in MOSFET SynchronousPQr嘉泰姆

PWM/PFMPQr嘉泰姆