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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:130
CXSD6141 CXSD6141B high-efficiency,and high frequency DC-to-DC step-down switching regulator, capab
 

目录9iD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) 9iD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9iD嘉泰姆

 9iD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-DC9iD嘉泰姆

step-down switching regulator, capable of delivering up to 0.7A of output current. 9iD嘉泰姆

With a fixed switching frequency of 660KHz, this current mode PWM controlled 9iD嘉泰姆

converter allows the use of small external components, such as ceramic input and9iD嘉泰姆

output caps, as well as small inductors.CXSD6141 also employs a proprietary control 9iD嘉泰姆

scheme that switches the device into a power save mode during light load, thereby 9iD嘉泰姆

extending the range of high efficiency operation. An OVP function protects the IC9iD嘉泰姆

itself and its downstream system against input voltage surges. With this OVP9iD嘉泰姆

function, the IC can stand off input voltage as high as 42V, making it an ideal9iD嘉泰姆

solution for industrial applications such as smart meters as well as automotive9iD嘉泰姆

applications.9iD嘉泰姆

  In automotive systems, power comes from the battery, with its voltage typically 9iD嘉泰姆

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

the minimum input voltage may be as low as 4V and the maximum up to 36V, with 9iD嘉泰姆

even higher transient voltages. With these high input voltages, linear regulators cannot 9iD嘉泰姆

be used for high supply currents without overheating the regulator. Instead, high efficiency 9iD嘉泰姆

switching regulators such as CXSD6141 must be used to minimize thermal dissipation.9iD嘉泰姆

  CXSD6141 is available SOT23-6 Packages.9iD嘉泰姆

二.产品特点(Features)
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·Wide Input Operating Range from 4V to 38V9iD嘉泰姆

·Standoff Input Voltage: 42V9iD嘉泰姆

·High Efficiency at 12V In 5V Out: Up to 92%:9iD嘉泰姆

·High Efficiency PFM mode at light load9iD嘉泰姆

·Capable of Delivering 0.7A9iD嘉泰姆

·No External Compensation Needed9iD嘉泰姆

·Current Mode control9iD嘉泰姆

·Logic Control Shutdown9iD嘉泰姆

·Thermal shutdown and UVLO9iD嘉泰姆

·Available in SOT23-6 Package9iD嘉泰姆

三,应用范围 (Applications)
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Smart Meters9iD嘉泰姆

Industrial Applications9iD嘉泰姆

Automotive Applications9iD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9iD嘉泰姆

 QQ截图20160419174301.jpg9iD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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Parameter9iD嘉泰姆

Value9iD嘉泰姆

Input Voltage Range9iD嘉泰姆

-0.3V-42V9iD嘉泰姆

Max Operating Junction   Temperature(Tj)9iD嘉泰姆

150°C9iD嘉泰姆

SW, EN Voltage9iD嘉泰姆

–0.3V to VIN+0.3V9iD嘉泰姆

BST Voltage9iD嘉泰姆

–0.3V to SW+6V9iD嘉泰姆

FB Voltage9iD嘉泰姆

–0.3V to 6V9iD嘉泰姆

SW to ground curren9iD嘉泰姆

Internally limited9iD嘉泰姆

Operating   Temperature(To)9iD嘉泰姆

-40°C –85°C9iD嘉泰姆

Package Thermal   Resistance (èjc)9iD嘉泰姆

SOT23-69iD嘉泰姆

110°C / W9iD嘉泰姆

Storage Temperature(Ts)9iD嘉泰姆

-55°C - 150°C9iD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)9iD嘉泰姆

Part No.9iD嘉泰姆

Power switching9iD嘉泰姆

MODE9iD嘉泰姆

VIN9iD嘉泰姆

VOUT9iD嘉泰姆

IQ9iD嘉泰姆

FOSC9iD嘉泰姆

Eff.9iD嘉泰姆

CXSD61239iD嘉泰姆

Built-in MOSFETSynchronous9iD嘉泰姆

PWM/PFM9iD嘉泰姆

Max 7V9iD嘉泰姆

ADJ9iD嘉泰姆

35μA9iD嘉泰姆

1.5MHz9iD嘉泰姆

96%9iD嘉泰姆

CXSD61249iD嘉泰姆

Built-in MOSFETSynchronous9iD嘉泰姆

PWM/PFM9iD嘉泰姆

2.6~6V9iD嘉泰姆

 

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