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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:71
CXSD6141 CXSD6141B high-efficiency,and high frequency DC-to-DC step-down switching regulator, capab
 

目录6Ma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) 6Ma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6Ma嘉泰姆

 6Ma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-DC6Ma嘉泰姆

step-down switching regulator, capable of delivering up to 0.7A of output current. 6Ma嘉泰姆

With a fixed switching frequency of 660KHz, this current mode PWM controlled 6Ma嘉泰姆

converter allows the use of small external components, such as ceramic input and6Ma嘉泰姆

output caps, as well as small inductors.CXSD6141 also employs a proprietary control 6Ma嘉泰姆

scheme that switches the device into a power save mode during light load, thereby 6Ma嘉泰姆

extending the range of high efficiency operation. An OVP function protects the IC6Ma嘉泰姆

itself and its downstream system against input voltage surges. With this OVP6Ma嘉泰姆

function, the IC can stand off input voltage as high as 42V, making it an ideal6Ma嘉泰姆

solution for industrial applications such as smart meters as well as automotive6Ma嘉泰姆

applications.6Ma嘉泰姆

  In automotive systems, power comes from the battery, with its voltage typically 6Ma嘉泰姆

between 9V and 24V. Including cold crank and double battery jump-starts, 6Ma嘉泰姆

the minimum input voltage may be as low as 4V and the maximum up to 36V, with 6Ma嘉泰姆

even higher transient voltages. With these high input voltages, linear regulators cannot 6Ma嘉泰姆

be used for high supply currents without overheating the regulator. Instead, high efficiency 6Ma嘉泰姆

switching regulators such as CXSD6141 must be used to minimize thermal dissipation.6Ma嘉泰姆

  CXSD6141 is available SOT23-6 Packages.6Ma嘉泰姆

二.产品特点(Features)
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·Wide Input Operating Range from 4V to 38V6Ma嘉泰姆

·Standoff Input Voltage: 42V6Ma嘉泰姆

·High Efficiency at 12V In 5V Out: Up to 92%:6Ma嘉泰姆

·High Efficiency PFM mode at light load6Ma嘉泰姆

·Capable of Delivering 0.7A6Ma嘉泰姆

·No External Compensation Needed6Ma嘉泰姆

·Current Mode control6Ma嘉泰姆

·Logic Control Shutdown6Ma嘉泰姆

·Thermal shutdown and UVLO6Ma嘉泰姆

·Available in SOT23-6 Package6Ma嘉泰姆

三,应用范围 (Applications)
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Smart Meters6Ma嘉泰姆

Industrial Applications6Ma嘉泰姆

Automotive Applications6Ma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6Ma嘉泰姆

 QQ截图20160419174301.jpg6Ma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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Parameter6Ma嘉泰姆

Value6Ma嘉泰姆

Input Voltage Range6Ma嘉泰姆

-0.3V-42V6Ma嘉泰姆

Max Operating Junction   Temperature(Tj)6Ma嘉泰姆

150°C6Ma嘉泰姆

SW, EN Voltage6Ma嘉泰姆

–0.3V to VIN+0.3V6Ma嘉泰姆

BST Voltage6Ma嘉泰姆

–0.3V to SW+6V6Ma嘉泰姆

FB Voltage6Ma嘉泰姆

–0.3V to 6V6Ma嘉泰姆

SW to ground curren6Ma嘉泰姆

Internally limited6Ma嘉泰姆

Operating   Temperature(To)6Ma嘉泰姆

-40°C –85°C6Ma嘉泰姆

Package Thermal   Resistance (èjc)6Ma嘉泰姆

SOT23-66Ma嘉泰姆

110°C / W6Ma嘉泰姆

Storage Temperature(Ts)6Ma嘉泰姆

-55°C - 150°C6Ma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)6Ma嘉泰姆

Part No.6Ma嘉泰姆

Power switching6Ma嘉泰姆

MODE6Ma嘉泰姆

VIN6Ma嘉泰姆

VOUT6Ma嘉泰姆

IQ6Ma嘉泰姆

FOSC6Ma嘉泰姆

Eff.6Ma嘉泰姆

CXSD61236Ma嘉泰姆

Built-in MOSFETSynchronous6Ma嘉泰姆

PWM/PFM6Ma嘉泰姆

Max 7V6Ma嘉泰姆

ADJ6Ma嘉泰姆

35μA6Ma嘉泰姆

1.5MHz6Ma嘉泰姆

96%6Ma嘉泰姆

CXSD61246Ma嘉泰姆

Built-in MOSFETSynchronous6Ma嘉泰姆

PWM/PFM6Ma嘉泰姆

2.6~6V6Ma嘉泰姆

 

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