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:134

目录2Pm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) 2Pm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2Pm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.2Pm嘉泰姆

Its input voltage ranges from 4V to 24V and it provides an adjustable regulated2Pm嘉泰姆

 output voltage from 0.810V to 5.5V while delivering up to 1.2A of output current.2Pm嘉泰姆

     The switching frequency is set to 1.4MHz, which works with a inductor as small2Pm嘉泰姆

as 4.7uH.And the CXSD6140 will automatically switch between PFM and PWM mode2Pm嘉泰姆

 based on the load current,thus to enhance the converter efficiency at light load.2Pm嘉泰姆

      CXSD6140 consists of many protection blocks such as UVLO, input voltage over 2Pm嘉泰姆

voltage protection to stand much higher input voltage spike, thermal protection and2Pm嘉泰姆

 output short circuit protection.2Pm嘉泰姆

    The CXSD6140 is available in the tiny SOT23-6 package.2Pm嘉泰姆

二.产品特点(Features)
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Adjustable Output Voltage, Vfb=0.810V2Pm嘉泰姆

Output current is up to 1.2A2Pm嘉泰姆

Range of operation input voltage: 4-24V2Pm嘉泰姆

Input voltage UVLO: 3.7V (voltage decreasing)2Pm嘉泰姆

Input Overvoltage Protection @26V2Pm嘉泰姆

Withstand input voltage spike >30V2Pm嘉泰姆

Operating current at zero load: 0.8mA (typ.)2Pm嘉泰姆

Line regulation: 0.1%/V (typ.)2Pm嘉泰姆

Load regulation: 10mV (typ.)2Pm嘉泰姆

High efficiency, up to 90%2Pm嘉泰姆

Environment Temperature: -20°C~85°C2Pm嘉泰姆

三,应用范围 (Applications)
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Security Camera2Pm嘉泰姆

Consumer Electronic Device for automobile2Pm嘉泰姆

Portable DVD2Pm嘉泰姆

ADSL Modem, WLAN router2Pm嘉泰姆

Other 12V or double cell Li-ion battery2Pm嘉泰姆

powered device2Pm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2Pm嘉泰姆

 QQ截图20160419174301.jpg2Pm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  2Pm嘉泰姆

Parameter2Pm嘉泰姆

Value2Pm嘉泰姆

Max Input Voltage2Pm嘉泰姆

30V2Pm嘉泰姆

Max Operating Junction Temperature(Tj)2Pm嘉泰姆

125°C2Pm嘉泰姆

Ambient Temperature(Ta)2Pm嘉泰姆

-20°C – 85°C2Pm嘉泰姆

Package Thermal Resistance2Pm嘉泰姆

SOT23-6 (qJC)2Pm嘉泰姆

110°C / W2Pm嘉泰姆

SOT23-6 (qJA)2Pm嘉泰姆

220°C / W2Pm嘉泰姆

Storage Temperature(Ts)2Pm嘉泰姆

-40°C - 150°C2Pm嘉泰姆

Lead Temperature & Time2Pm嘉泰姆

260°C, 10S2Pm嘉泰姆

ESD (HBM)2Pm嘉泰姆

>2000V2Pm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)2Pm嘉泰姆

Part No.2Pm嘉泰姆

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MODE2Pm嘉泰姆

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VOUT2Pm嘉泰姆

IQ2Pm嘉泰姆

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Eff.2Pm嘉泰姆

CXSD61232Pm嘉泰姆

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PWM/PFM2Pm嘉泰姆

Max 7V2Pm嘉泰姆

ADJ2Pm嘉泰姆

35μA2Pm嘉泰姆

1.5MHz2Pm嘉泰姆

96%2Pm嘉泰姆

CXSD61242Pm嘉泰姆

Built-in MOSFETSynchronous2Pm嘉泰姆

PWM/PFM2Pm嘉泰姆

2.6~6V2Pm嘉泰姆

ADJ2Pm嘉泰姆

40μA2Pm嘉泰姆

1.5MHz2Pm嘉泰姆

96%2Pm嘉泰姆

CXSD61252Pm嘉泰姆

Built-in MOSFET Synchronous2Pm嘉泰姆

PWM/PFM2Pm嘉泰姆