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

目录s6s嘉泰姆

1.产品概述         2.产品特点s6s嘉泰姆
3.应用范围       4.下载产品资料PDF文档 s6s嘉泰姆
5.产品封装图                     6.电路原理图             s6s嘉泰姆
7.功能概述       8.相关产品s6s嘉泰姆

一,产品概述(General Description) s6s嘉泰姆
The CXSD62103 is a two-phases, voltage-mode and fixeds6s嘉泰姆
frequency buck controller.s6s嘉泰姆
二.产品特点(Features)s6s嘉泰姆
1.)Voltage-Mode Operation with Current Sharings6s嘉泰姆
2.)Operate with 4.5V~13.2V Supply Voltages6s嘉泰姆
3.)Support Single and Two-Phase Operationss6s嘉泰姆
4.)+/-2% Reference Voltage Accuracy Over Temperatures6s嘉泰姆
5.)Loss-Less Low Side MOSFET Ron Current Sensings6s嘉泰姆
6.)Programmable PWM Switching Frequency from 100kHz to 800kHzs6s嘉泰姆
7.)Dynamic Output Voltage Adjustment TQFN4x4-24 Packages6s嘉泰姆
8.)Halogen and Lead Free Available (RoHS Compliant)s6s嘉泰姆
三,应用范围 (Applications)s6s嘉泰姆
四.下载产品资料PDF文档 s6s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！s6s嘉泰姆

QQ截图20160419174301.jpg s6s嘉泰姆

五,产品封装图 (Package)s6s嘉泰姆

s6s嘉泰姆
s6s嘉泰姆

六.电路原理图s6s嘉泰姆

s6s嘉泰姆
七,功能概述s6s嘉泰姆
Over-Temperature Protection (OTP)s6s嘉泰姆
The over-temperature circuit limits the junction temperature of the CXSD62103. When the junctions6s嘉泰姆
UGTAE and LGATE low, allowing the devices to cool.The thermal sensor allows the converters to start as6s嘉泰姆
soft-start process and regulate the output voltage again Junction Temperature (TJ) during continuous thermals6s嘉泰姆
overload conditions, increasing the lifetime of the device.s6s嘉泰姆
OVPs6s嘉泰姆
The over-voltage protection (OVP) circuit monitors the FB (VFB) voltage to prevent the output from over-voltage.s6s嘉泰姆
When the VFB rises to 150% of the EAP voltage (VEAP),the CXSD62103 turns off high-side and turn on low-sides6s嘉泰姆
MOSFETs to sink output voltage (VOUT). As soon as theVFB falls below 125% of VEAP, the OVP comparator iss6s嘉泰姆
disengaged. The chip will restore its normal operation.s6s嘉泰姆
UVPs6s嘉泰姆
The under-voltage protection circuit monitors the voltage on FB (VFB) by Under-Voltage (UV) comparator to protects6s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 shutss6s嘉泰姆

down and the output is latched to be floating.s6s嘉泰姆

八,相关产品s6s嘉泰姆

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