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

发布时间:2020-04-15 09:31:25 浏览次数:319 作者:oumao18 来源:嘉泰姆
摘要:CXSD6141 CXSD6141B high-efficiency,and high frequency DC-to-DC step-down switching regulator, capable of delivering up to 0.7A of output current. With a fixed switching frequency of
CXSD6141  CXSD6141B high-efficiency,and high frequency DC-to-DC step-down switching regulator, capab

目录SKx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) SKx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SKx嘉泰姆

 SKx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-DCSKx嘉泰姆

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

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

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

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

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

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

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

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

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

applications.SKx嘉泰姆

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

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

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

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

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

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

  CXSD6141 is available SOT23-6 Packages.SKx嘉泰姆

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

·Standoff Input Voltage: 42VSKx嘉泰姆

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

·High Efficiency PFM mode at light loadSKx嘉泰姆

·Capable of Delivering 0.7ASKx嘉泰姆

·No External Compensation NeededSKx嘉泰姆

·Current Mode controlSKx嘉泰姆

·Logic Control ShutdownSKx嘉泰姆

·Thermal shutdown and UVLOSKx嘉泰姆

·Available in SOT23-6 PackageSKx嘉泰姆

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

Industrial ApplicationsSKx嘉泰姆

Automotive ApplicationsSKx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SKx嘉泰姆

 QQ截图20160419174301.jpgSKx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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ParameterSKx嘉泰姆

ValueSKx嘉泰姆

Input Voltage RangeSKx嘉泰姆

-0.3V-42VSKx嘉泰姆

Max Operating Junction   Temperature(Tj)SKx嘉泰姆

150°CSKx嘉泰姆

SW, EN VoltageSKx嘉泰姆

–0.3V to VIN+0.3VSKx嘉泰姆

BST VoltageSKx嘉泰姆

–0.3V to SW+6VSKx嘉泰姆

FB VoltageSKx嘉泰姆

–0.3V to 6VSKx嘉泰姆

SW to ground currenSKx嘉泰姆

Internally limitedSKx嘉泰姆

Operating   Temperature(To)SKx嘉泰姆

-40°C –85°CSKx嘉泰姆

Package Thermal   Resistance (èjc)SKx嘉泰姆

SOT23-6SKx嘉泰姆

110°C / WSKx嘉泰姆

Storage Temperature(Ts)SKx嘉泰姆

-55°C - 150°CSKx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)SKx嘉泰姆

Part No.SKx嘉泰姆

Power switchingSKx嘉泰姆

MODESKx嘉泰姆

VINSKx嘉泰姆

VOUTSKx嘉泰姆

IQSKx嘉泰姆

FOSCSKx嘉泰姆

Eff.SKx嘉泰姆

CXSD6123SKx嘉泰姆

Built-in MOSFETSynchronousSKx嘉泰姆

PWM/PFMSKx嘉泰姆

Max 7VSKx嘉泰姆

ADJSKx嘉泰姆

35μASKx嘉泰姆

1.5MHzSKx嘉泰姆

96%SKx嘉泰姆

CXSD6124SKx嘉泰姆

Built-in MOSFETSynchronousSKx嘉泰姆

PWM/PFMSKx嘉泰姆

2.6~6VSKx嘉泰姆

 

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