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CXSD6141 CXSD6141B high-efficiency,and high frequency DC-to-DC step-down switching regulator, capab
发表时间:2020-04-15浏览次数:134
CXSD6141 CXSD6141B high-efficiency,and high frequency DC-to-DC step-down switching regulator, capab
 

目录c9K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) c9K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c9K嘉泰姆

 c9K嘉泰姆

一,产品概述(General Description)      
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   The CXSD6141  CXSD6141B  is a wide input range, high-efficiency,and high frequency DC-to-DCc9K嘉泰姆

step-down switching regulator, capable of delivering up to 0.7A of output current. c9K嘉泰姆

With a fixed switching frequency of 660KHz, this current mode PWM controlled c9K嘉泰姆

converter allows the use of small external components, such as ceramic input andc9K嘉泰姆

output caps, as well as small inductors.CXSD6141 also employs a proprietary control c9K嘉泰姆

scheme that switches the device into a power save mode during light load, thereby c9K嘉泰姆

extending the range of high efficiency operation. An OVP function protects the ICc9K嘉泰姆

itself and its downstream system against input voltage surges. With this OVPc9K嘉泰姆

function, the IC can stand off input voltage as high as 42V, making it an idealc9K嘉泰姆

solution for industrial applications such as smart meters as well as automotivec9K嘉泰姆

applications.c9K嘉泰姆

  In automotive systems, power comes from the battery, with its voltage typically c9K嘉泰姆

between 9V and 24V. Including cold crank and double battery jump-starts, c9K嘉泰姆

the minimum input voltage may be as low as 4V and the maximum up to 36V, with c9K嘉泰姆

even higher transient voltages. With these high input voltages, linear regulators cannot c9K嘉泰姆

be used for high supply currents without overheating the regulator. Instead, high efficiency c9K嘉泰姆

switching regulators such as CXSD6141 must be used to minimize thermal dissipation.c9K嘉泰姆

  CXSD6141 is available SOT23-6 Packages.c9K嘉泰姆

二.产品特点(Features)
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·Wide Input Operating Range from 4V to 38Vc9K嘉泰姆

·Standoff Input Voltage: 42Vc9K嘉泰姆

·High Efficiency at 12V In 5V Out: Up to 92%:c9K嘉泰姆

·High Efficiency PFM mode at light loadc9K嘉泰姆

·Capable of Delivering 0.7Ac9K嘉泰姆

·No External Compensation Neededc9K嘉泰姆

·Current Mode controlc9K嘉泰姆

·Logic Control Shutdownc9K嘉泰姆

·Thermal shutdown and UVLOc9K嘉泰姆

·Available in SOT23-6 Packagec9K嘉泰姆

三,应用范围 (Applications)
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Smart Metersc9K嘉泰姆

Industrial Applicationsc9K嘉泰姆

Automotive Applicationsc9K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c9K嘉泰姆

 QQ截图20160419174301.jpgc9K嘉泰姆

五,产品封装图 (Package)
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QQ截图20160416194736.jpg
六.电路原理图
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QQ截图20160416194747.jpg
七,功能概述
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Parameterc9K嘉泰姆

Valuec9K嘉泰姆

Input Voltage Rangec9K嘉泰姆

-0.3V-42Vc9K嘉泰姆

Max Operating Junction   Temperature(Tj)c9K嘉泰姆

150°Cc9K嘉泰姆

SW, EN Voltagec9K嘉泰姆

–0.3V to VIN+0.3Vc9K嘉泰姆

BST Voltagec9K嘉泰姆

–0.3V to SW+6Vc9K嘉泰姆

FB Voltagec9K嘉泰姆

–0.3V to 6Vc9K嘉泰姆

SW to ground currenc9K嘉泰姆

Internally limitedc9K嘉泰姆

Operating   Temperature(To)c9K嘉泰姆

-40°C –85°Cc9K嘉泰姆

Package Thermal   Resistance (èjc)c9K嘉泰姆

SOT23-6c9K嘉泰姆

110°C / Wc9K嘉泰姆

Storage Temperature(Ts)c9K嘉泰姆

-55°C - 150°Cc9K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)c9K嘉泰姆

Part No.c9K嘉泰姆

Power switchingc9K嘉泰姆

MODEc9K嘉泰姆

VINc9K嘉泰姆

VOUTc9K嘉泰姆

IQc9K嘉泰姆

FOSCc9K嘉泰姆

Eff.c9K嘉泰姆

CXSD6123c9K嘉泰姆

Built-in MOSFETSynchronousc9K嘉泰姆

PWM/PFMc9K嘉泰姆

Max 7Vc9K嘉泰姆

ADJc9K嘉泰姆

35μAc9K嘉泰姆

1.5MHzc9K嘉泰姆

96%c9K嘉泰姆

CXSD6124c9K嘉泰姆

Built-in MOSFETSynchronousc9K嘉泰姆

PWM/PFMc9K嘉泰姆

2.6~6Vc9K嘉泰姆

 

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