CXSD6127 is a high-efficiency, DC-to-DC step-down switching regulators, capable of delivering up to 2A of output current. The device operates from an input voltage range of 2.5V to 5.5V and provides

发布时间:2020-04-06 09:43:38 浏览次数:703 作者:嘉泰姆 来源:1
摘要:CXSD6127 is a high-efficiency, DC-to-DC step-down switching regulators, capable of delivering up to 2A of output current. The device operates from an input voltage range of 2.5V to 5.5V and provides

目录7g1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) 
5.
产品封装图</span>   6.电路原理图</span>  7.功能概述      8.
相关产品7g1嘉泰姆

,产品概述(General Description)      
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   The CXSD6127 is a high-efficiency, DC-to-DC step-down switching regulators, capable of delivering up to 2A of7g1嘉泰姆

output current. The device operates from an input voltage range of 2.5V to 5.5V and provides an output voltage7g1嘉泰姆

from 0.6V to VIN, making the CXSD6127 ideal for low voltage power conversions. Running at a fixed frequency7g1嘉泰姆

of 1.3MHz allows the use of small external components,such as ceramic input and output caps, as well as small7g1嘉泰姆

inductors, while still providing low output ripples. This low noise output along with its excellent efficiency7g1嘉泰姆

achieved by the internal synchronous rectifier, making CXSD6127 an ideal green replacement for large power7g1嘉泰姆

consuming linear regulators. Internal soft-start control circuitry reduces inrush current. Short-circuit and7g1嘉泰姆

thermal-overload protection improves design reliability.The CXSD6127 is available in a SOT23-6 Package.7g1嘉泰姆

二</span>.产品特点(Features)
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High Efficiency: Up to 97%7g1嘉泰姆

Capable of Delivering 2A7g1嘉泰姆

1.3MHz Switching Frequency7g1嘉泰姆

No External Schottky Diode Needed7g1嘉泰姆

Light-load Mode7g1嘉泰姆

Internal Compensation and Soft-Start7g1嘉泰姆

Current Mode control7g1嘉泰姆

0.6V Reference for Low Output voltages7g1嘉泰姆

Logic Control Shutdown (IQ<1uA)7g1嘉泰姆

Thermal shutdown and UVLO7g1嘉泰姆

Available in SOT23-67g1嘉泰姆

三</span>,应用范围 (Applications)
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Digital Cameras7g1嘉泰姆

MP3 and MP4 players7g1嘉泰姆

Set top boxes7g1嘉泰姆

Wireless and DSL Modems7g1嘉泰姆

USB supplied Devices in Notebooks7g1嘉泰姆

Portable Devices7g1嘉泰姆

四.技术规格书下载(产品PDF)</span>
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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</span>!</p>

 QQ截图20160419174301.jpg7g1嘉泰姆

五,产品封装图 (Package)
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QQ截图20160415111008.jpg7g1嘉泰姆

PIN NO7g1嘉泰姆

SYMBOL7g1嘉泰姆

DESCRIPTTION7g1嘉泰姆

17g1嘉泰姆

EN7g1嘉泰姆

Enable pin7g1嘉泰姆

27g1嘉泰姆

GND7g1嘉泰姆

Ground7g1嘉泰姆

37g1嘉泰姆

SW7g1嘉泰姆

Power Switch   Output7g1嘉泰姆

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IN7g1嘉泰姆

Power Supply   Input7g1嘉泰姆

57g1嘉泰姆

NC7g1嘉泰姆

Not Connected7g1嘉泰姆

67g1嘉泰姆

FB7g1嘉泰姆

Feedback input   pin7g1嘉泰姆

六.电路原理图</span>
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QQ截图20160415111000.jpg
七</span>,功能概述7g1嘉泰姆

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Parameter7g1嘉泰姆

Value7g1嘉泰姆

Max Input Voltage7g1嘉泰姆

6.5V7g1嘉泰姆

Max Operating   Junction Temperature(Tj)7g1嘉泰姆

125°C7g1嘉泰姆

Ambient   Temperature(Ta)7g1嘉泰姆

-40°C – 85°C7g1嘉泰姆

Maximum Power   Dissipation7g1嘉泰姆

SOT23-57g1嘉泰姆

400mW7g1嘉泰姆

Storage   Temperature(Ts)7g1嘉泰姆

-40°C - 150°C7g1嘉泰姆

Lead Temperature   & Time7g1嘉泰姆

260°C, 10S7g1嘉泰姆

八,相关芯片选择指南
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降压型<span style="">DC/DC转换器</span>(DC/DC Step-down Converter)
Part No.Power switchingMODEVINVOUTIQFOSCEff.
CXSD6123Built-in MOSFETSynchronousPWM/PFMMax 7VADJ35μA1.5MHz96%
CXSD6124Built-in MOSFETSynchronousPWM/PFM2.6~6VADJ40μA1.5MHz96%
CXSD6125Built-in MOSFET SynchronousPWM/PFM2.6~7VADJ50μA1.5MHz97%
CXSD6126Built-in MOSFET SynchronousPWM/PFM2.5~6VADJ40μA1.5MHz96%
CXSD6127Built-in MOSFET SynchronousPWM/PFM2.5~5.5VADJ50μA1.3MHz97%
CXSD6128Built-in MOSFET SynchronousPWM/PFM2.6~6VADJ30μA3MHz96%
CXSD6129Built-in MOSFET SynchronousPWM/PFM2.6~5.5VADJ50μA1.4MHz97%
CXSD6130Built-in MOSFET SynchronousPWM/PFM3.5~16VADJ0.4mA600KHz96%
CXSD6131Built-in MOSFET SynchronousPWM/PFM3.5~16VADJ0.4mA600KHz96%
CXSD6132Built-in MOSFET SynchronousPWM/PFM4.2~18VADJ0.8mA500KHz96%
CXSD6133BBuilt-in MOSFET SynchronousPWM/PFM4.7~20VADJ50μA500KHz95%
CXSD6134Built-in MOSFET SynchronousPWM/PFM4.7~20VADJ50μA500KHz95%
CXSD6136Built-in MOSFET SynchronousPWM/PFM4.5~20VADJ50μA410KHz95%
CXSD6137Built-in MOSFET SynchronousPWM/PFM4.5~18VADJ80μA420KHz95%
CXSD6138Built-in MOSFET SynchronousPWM/PFM4.5~18VADJ80μA420KHz95%
CXSD6139Built-in MOSFET SynchronousPWM/PFM4.5~18VADJ80μA420KHz95%
CXSD6140Built-in MOSFETPWM/PFM4~24VADJ0.6mA1.4MHz90%
CXSD6141Built-in MOSFETPWM/PFM4~38VADJ0.6mA660KHz92%
CXSD6141BBuilt-in MOSFETPWM/PFM4~38VADJ0.6mA660KHz92%
CXSD6142Built-in MOSFET SynchronousPWM/PFM4~40VADJ50μA2MHz93%
CXSD6143Built-in MOSFETPWM/PFM4.2~40VADJ200μA1.8MHz90%
CXSD6144CBuilt-in MOSFET SynchronousPWM/PFM4.5~24VADJ50μA500KHz94%
CXSD6145BBuilt-in MOSFET SynchronousPWM5~20V0.923~15V ADJ60μA360KHz94%

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