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首页 > 产品中心 > 电源管理 > DC降压型转换器 > Buck降压型芯片 >CXSD6127 is a high-efficiency, DC-to-DC step-down switching regulators, capable of delivering up to
CXSD6127 is a high-efficiency, DC-to-DC step-down switching regulators, capable of delivering up to
2

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

CXSD6127 is a high-efficiency, DC-to-DC step-down switching regulators, capable of delivering up to
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产品简介

目录4EE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) 4EE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4EE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 of4EE嘉泰姆

output current. The device operates from an input voltage range of 2.5V to 5.5V and provides an output voltage4EE嘉泰姆

from 0.6V to VIN, making the CXSD6127 ideal for low voltage power conversions. Running at a fixed frequency4EE嘉泰姆

of 1.3MHz allows the use of small external components,such as ceramic input and output caps, as well as small4EE嘉泰姆

inductors, while still providing low output ripples. This low noise output along with its excellent efficiency4EE嘉泰姆

achieved by the internal synchronous rectifier, making CXSD6127 an ideal green replacement for large power4EE嘉泰姆

consuming linear regulators. Internal soft-start control circuitry reduces inrush current. Short-circuit and4EE嘉泰姆

thermal-overload protection improves design reliability.The CXSD6127 is available in a SOT23-6 Package.4EE嘉泰姆

.产品特点(Features)
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High Efficiency: Up to 97%4EE嘉泰姆

Capable of Delivering 2A4EE嘉泰姆

1.3MHz Switching Frequency4EE嘉泰姆

No External Schottky Diode Needed4EE嘉泰姆

Light-load Mode4EE嘉泰姆

Internal Compensation and Soft-Start4EE嘉泰姆

Current Mode control4EE嘉泰姆

0.6V Reference for Low Output voltages4EE嘉泰姆

Logic Control Shutdown (IQ<1uA)4EE嘉泰姆

Thermal shutdown and UVLO4EE嘉泰姆

Available in SOT23-64EE嘉泰姆

,应用范围 (Applications)
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Digital Cameras4EE嘉泰姆

MP3 and MP4 players4EE嘉泰姆

Set top boxes4EE嘉泰姆

Wireless and DSL Modems4EE嘉泰姆

USB supplied Devices in Notebooks4EE嘉泰姆

Portable Devices4EE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4EE嘉泰姆

 QQ截图20160419174301.jpg4EE嘉泰姆

五,产品封装图 (Package)
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QQ截图20160415111008.jpg4EE嘉泰姆

PIN NO4EE嘉泰姆

SYMBOL4EE嘉泰姆

DESCRIPTTION4EE嘉泰姆

14EE嘉泰姆

EN4EE嘉泰姆

Enable pin4EE嘉泰姆

24EE嘉泰姆

GND4EE嘉泰姆

Ground4EE嘉泰姆

34EE嘉泰姆

SW4EE嘉泰姆

Power Switch   Output4EE嘉泰姆

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IN4EE嘉泰姆

Power Supply   Input4EE嘉泰姆

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NC4EE嘉泰姆

Not Connected4EE嘉泰姆

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FB4EE嘉泰姆

Feedback input   pin4EE嘉泰姆

六.电路原理图
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QQ截图20160415111000.jpg
,功能概述4EE嘉泰姆

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Parameter4EE嘉泰姆

Value4EE嘉泰姆

Max Input Voltage4EE嘉泰姆

6.5V4EE嘉泰姆

Max Operating   Junction Temperature(Tj)4EE嘉泰姆

125°C4EE嘉泰姆

Ambient   Temperature(Ta)4EE嘉泰姆

-40°C – 85°C4EE嘉泰姆

Maximum Power   Dissipation4EE嘉泰姆

SOT23-54EE嘉泰姆

400mW4EE嘉泰姆

Storage   Temperature(Ts)4EE嘉泰姆

-40°C - 150°C4EE嘉泰姆

Lead Temperature   & Time4EE嘉泰姆

260°C, 10S4EE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)
Part No. Power switching MODE VIN VOUT IQ FOSC Eff.
CXSD6123 Built-in MOSFETSynchronous PWM/PFM Max 7V ADJ 35μA 1.5MHz 96%
CXSD6124 Built-in MOSFETSynchronous PWM/PFM 2.6~6V ADJ 40μA 1.5MHz 96%
CXSD6125 Built-in MOSFET Synchronous PWM/PFM 2.6~7V ADJ 50μA 1.5MHz 97%
CXSD6126 Built-in MOSFET Synchronous PWM/PFM 2.5~6V ADJ 40μA 1.5MHz 96%
CXSD6127 Built-in MOSFET Synchronous PWM/PFM 2.5~5.5V ADJ 50μA 1.3MHz 97%
CXSD6128 Built-in MOSFET Synchronous PWM/PFM 2.6~6V ADJ 30μA 3MHz 96%
CXSD6129 Built-in MOSFET Synchronous PWM/PFM 2.6~5.5V ADJ 50μA 1.4MHz 97%
CXSD6130 Built-in MOSFET Synchronous PWM/PFM 3.5~16V ADJ 0.4mA 600KHz 96%
CXSD6131 Built-in MOSFET Synchronous PWM/PFM 3.5~16V ADJ 0.4mA 600KHz 96%
CXSD6132 Built-in MOSFET Synchronous PWM/PFM 4.2~18V ADJ 0.8mA 500KHz 96%
CXSD6133B Built-in MOSFET Synchronous PWM/PFM 4.7~20V ADJ 50μA 500KHz 95%
CXSD6134 Built-in MOSFET Synchronous PWM/PFM 4.7~20V ADJ 50μA 500KHz 95%
CXSD6136 Built-in MOSFET Synchronous PWM/PFM 4.5~20V ADJ 50μA 410KHz 95%
CXSD6137 Built-in MOSFET Synchronous PWM/PFM 4.5~18V ADJ 80μA 420KHz 95%
CXSD6138 Built-in MOSFET Synchronous PWM/PFM 4.5~18V ADJ 80μA 420KHz 95%
CXSD6139 Built-in MOSFET Synchronous PWM/PFM 4.5~18V ADJ 80μA 420KHz 95%
CXSD6140 Built-in MOSFET PWM/PFM 4~24V ADJ 0.6mA 1.4MHz 90%
CXSD6141 Built-in MOSFET PWM/PFM 4~38V ADJ 0.6mA 660KHz 92%
CXSD6141B Built-in MOSFET PWM/PFM 4~38V ADJ 0.6mA 660KHz 92%
CXSD6142 Built-in MOSFET Synchronous PWM/PFM 4~40V ADJ 50μA 2MHz 93%
CXSD6143 Built-in MOSFET PWM/PFM 4.2~40V ADJ 200μA 1.8MHz 90%
CXSD6144C Built-in MOSFET Synchronous PWM/PFM 4.5~24V ADJ 50μA 500KHz 94%
CXSD6145B Built-in MOSFET Synchronous PWM 5~20V 0.923~15V ADJ 60μA 360KHz 94%