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

发布时间:2020-04-15 09:31:20 浏览次数:291 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NQU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) NQU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NQU嘉泰姆

 NQU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-DCNQU嘉泰姆

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

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

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

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

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

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

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

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

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

applications.NQU嘉泰姆

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

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

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

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

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

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

  CXSD6141 is available SOT23-6 Packages.NQU嘉泰姆

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

·Standoff Input Voltage: 42VNQU嘉泰姆

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

·High Efficiency PFM mode at light loadNQU嘉泰姆

·Capable of Delivering 0.7ANQU嘉泰姆

·No External Compensation NeededNQU嘉泰姆

·Current Mode controlNQU嘉泰姆

·Logic Control ShutdownNQU嘉泰姆

·Thermal shutdown and UVLONQU嘉泰姆

·Available in SOT23-6 PackageNQU嘉泰姆

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

Industrial ApplicationsNQU嘉泰姆

Automotive ApplicationsNQU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NQU嘉泰姆

 QQ截图20160419174301.jpgNQU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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ParameterNQU嘉泰姆

ValueNQU嘉泰姆

Input Voltage RangeNQU嘉泰姆

-0.3V-42VNQU嘉泰姆

Max Operating Junction   Temperature(Tj)NQU嘉泰姆

150°CNQU嘉泰姆

SW, EN VoltageNQU嘉泰姆

–0.3V to VIN+0.3VNQU嘉泰姆

BST VoltageNQU嘉泰姆

–0.3V to SW+6VNQU嘉泰姆

FB VoltageNQU嘉泰姆

–0.3V to 6VNQU嘉泰姆

SW to ground currenNQU嘉泰姆

Internally limitedNQU嘉泰姆

Operating   Temperature(To)NQU嘉泰姆

-40°C –85°CNQU嘉泰姆

Package Thermal   Resistance (èjc)NQU嘉泰姆

SOT23-6NQU嘉泰姆

110°C / WNQU嘉泰姆

Storage Temperature(Ts)NQU嘉泰姆

-55°C - 150°CNQU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)NQU嘉泰姆

Part No.NQU嘉泰姆

Power switchingNQU嘉泰姆

MODENQU嘉泰姆

VINNQU嘉泰姆

VOUTNQU嘉泰姆

IQNQU嘉泰姆

FOSCNQU嘉泰姆

Eff.NQU嘉泰姆

CXSD6123NQU嘉泰姆

Built-in MOSFETSynchronousNQU嘉泰姆

PWM/PFMNQU嘉泰姆

Max 7VNQU嘉泰姆

ADJNQU嘉泰姆

35μANQU嘉泰姆

1.5MHzNQU嘉泰姆

96%NQU嘉泰姆

CXSD6124NQU嘉泰姆

Built-in MOSFETSynchronousNQU嘉泰姆

PWM/PFMNQU嘉泰姆

2.6~6VNQU嘉泰姆

 

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