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:282

目录oTO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) oTO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oTO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.oTO嘉泰姆

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

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

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

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

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

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

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

 output short circuit protection.oTO嘉泰姆

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

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

Output current is up to 1.2AoTO嘉泰姆

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

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

Input Overvoltage Protection @26VoTO嘉泰姆

Withstand input voltage spike >30VoTO嘉泰姆

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

Line regulation: 0.1%/V (typ.)oTO嘉泰姆

Load regulation: 10mV (typ.)oTO嘉泰姆

High efficiency, up to 90%oTO嘉泰姆

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

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

Consumer Electronic Device for automobileoTO嘉泰姆

Portable DVDoTO嘉泰姆

ADSL Modem, WLAN routeroTO嘉泰姆

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

powered deviceoTO嘉泰姆

四.技术规格书下载(产品PDF)
直线oTO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oTO嘉泰姆

 QQ截图20160419174301.jpgoTO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  oTO嘉泰姆

ParameteroTO嘉泰姆

ValueoTO嘉泰姆

Max Input VoltageoTO嘉泰姆

30VoTO嘉泰姆

Max Operating Junction Temperature(Tj)oTO嘉泰姆

125°CoTO嘉泰姆

Ambient Temperature(Ta)oTO嘉泰姆

-20°C – 85°CoTO嘉泰姆

Package Thermal ResistanceoTO嘉泰姆

SOT23-6 (qJC)oTO嘉泰姆

110°C / WoTO嘉泰姆

SOT23-6 (qJA)oTO嘉泰姆

220°C / WoTO嘉泰姆

Storage Temperature(Ts)oTO嘉泰姆

-40°C - 150°CoTO嘉泰姆

Lead Temperature & TimeoTO嘉泰姆

260°C, 10SoTO嘉泰姆

ESD (HBM)oTO嘉泰姆

>2000VoTO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)oTO嘉泰姆

Part No.oTO嘉泰姆

Power switchingoTO嘉泰姆

MODEoTO嘉泰姆

VINoTO嘉泰姆

VOUToTO嘉泰姆

IQoTO嘉泰姆

FOSCoTO嘉泰姆

Eff.oTO嘉泰姆

CXSD6123oTO嘉泰姆

Built-in MOSFETSynchronousoTO嘉泰姆

PWM/PFMoTO嘉泰姆

Max 7VoTO嘉泰姆

ADJoTO嘉泰姆

35μAoTO嘉泰姆

1.5MHzoTO嘉泰姆

96%oTO嘉泰姆

CXSD6124oTO嘉泰姆

Built-in MOSFETSynchronousoTO嘉泰姆

PWM/PFMoTO嘉泰姆

2.6~6VoTO嘉泰姆

ADJoTO嘉泰姆

40μAoTO嘉泰姆

1.5MHzoTO嘉泰姆

96%oTO嘉泰姆

CXSD6125oTO嘉泰姆

Built-in MOSFET SynchronousoTO嘉泰姆

PWM/PFMoTO嘉泰姆