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首页 > 产品中心 > 电源管理 > DC降压型芯片 > Buck降压型芯片 >两相电压模式和固定频率降压控制器CXSD62103从100kHz到800kHz的可编程脉宽调制开关频率无损耗低边MOSFET Ron电流传感
两相电压模式和固定频率降压控制器CXSD62103从100kHz到800kHz的可编程脉宽调制开关频率无损耗低边MOSFET Ron电流传感
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CXSD62103均流电压模式运行在4.5V~13.2V电源电压下运行支持单相和两相运行+/-2%参考电压精度,过温无损耗低边MOSFET Ron电流传感从100kHz到800kHz的可编程脉宽调制开关频率

两相电压模式和固定频率降压控制器CXSD62103从100kHz到800kHz的可编程脉宽调制开关频率无损耗低边MOSFET Ron电流传感
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目录1je嘉泰姆

1.产品概述                       2.产品特点1je嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 1je嘉泰姆
5.产品封装图                     6.电路原理图                   1je嘉泰姆
7.功能概述                        8.相关产品1je嘉泰姆

一,产品概述(General Description)         1je嘉泰姆
The  CXSD62103  is a two-phases, voltage-mode and fixed1je嘉泰姆
frequency buck controller.1je嘉泰姆
二.产品特点(Features)1je嘉泰姆
1.)Voltage-Mode Operation with Current Sharing1je嘉泰姆
2.)Operate with 4.5V~13.2V Supply Voltage1je嘉泰姆
3.)Support Single and Two-Phase Operations1je嘉泰姆
4.)+/-2% Reference Voltage Accuracy Over Temperature1je嘉泰姆
5.)Loss-Less Low Side MOSFET Ron Current Sensing1je嘉泰姆
6.)Programmable PWM Switching Frequency from 100kHz to 800kHz1je嘉泰姆
7.)Dynamic Output Voltage Adjustment TQFN4x4-24 Package1je嘉泰姆
8.)Halogen and Lead Free Available (RoHS Compliant)1je嘉泰姆
三,应用范围 (Applications)1je嘉泰姆
四.下载产品资料PDF文档 1je嘉泰姆

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1je嘉泰姆

 QQ截图20160419174301.jpg  1je嘉泰姆

五,产品封装图 (Package)1je嘉泰姆

blob.png1je嘉泰姆
blob.png1je嘉泰姆

六.电路原理图1je嘉泰姆

blob.png1je嘉泰姆
七,功能概述1je嘉泰姆
Over-Temperature Protection (OTP)1je嘉泰姆
The over-temperature circuit limits the junction temperature of the CXSD62103. When the junction1je嘉泰姆
UGTAE and LGATE low, allowing the devices to cool.The thermal sensor allows the converters to start a1je嘉泰姆
soft-start process and regulate the output voltage again Junction Temperature (TJ) during continuous thermal1je嘉泰姆
overload conditions, increasing the lifetime of the device.1je嘉泰姆
OVP1je嘉泰姆
The over-voltage protection (OVP) circuit monitors the FB (VFB) voltage to prevent the output from over-voltage.1je嘉泰姆
When the VFB rises to 150% of the EAP voltage (VEAP),the CXSD62103 turns off high-side and turn on low-side1je嘉泰姆
MOSFETs to sink output voltage (VOUT). As soon as theVFB falls below 125% of VEAP, the OVP comparator is1je嘉泰姆
disengaged. The chip will restore its normal operation.1je嘉泰姆
UVP1je嘉泰姆
The under-voltage protection circuit monitors the voltage on FB (VFB) by Under-Voltage (UV) comparator to protect1je嘉泰姆
the PWM converter against short-circuit conditions.When the VFB falls below the falling UVP threshold (50%VEAP), a fault signal is generated and the device turns off high-side and low-side MOSFETs. The converter shuts1je嘉泰姆

down and the output is latched to be floating.1je嘉泰姆

八,相关产品1je嘉泰姆

Switching Regulator >   Buck Controller1je嘉泰姆

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Package 1je嘉泰姆

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tectu1je嘉泰姆

Phase1je嘉泰姆

No.of1je嘉泰姆

PWM1je嘉泰姆

Output1je嘉泰姆

Output 1je嘉泰姆

Current1je嘉泰姆

(A) 1je嘉泰姆

Input1je嘉泰姆

Voltage (V) 1je嘉泰姆

Reference1je嘉泰姆

Voltage1je嘉泰姆

(V) 1je嘉泰姆

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Voltage1je嘉泰姆

(V) 1je嘉泰姆

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