40Vin 4 Outputs Buck Controller CXMD3261 is a DC/DC Buck Synchronous with four current limit pins suitable for many multi‐output applications. It is designed to allow for operating a wide supply volta

   产品概述 返回TOPVF5嘉泰姆

     CXMD3261 is a DC/DC Buck Synchronous with four current limit pins suitable for many multi‐output applications. It is designed to allow for operating a wide supply voltage range from 9V to 40V. It has both high‐side and low‐side drivers allowing synchronous configuration using two external power‐NMOS. This IC can operate in both Constant Current (CC) and Constant Voltage (CV) modes. CXMD3261 operates as a DC‐DC Buck Controller providing a wide range of outputs at Constant Current (CV) from 1.2V to 28V and the output current as high as 10A or above. It has a Constant Current(CC) mode so that output current can be set externally and at a accuracy of +/‐7%.    The current mode control and external compensation makes feedback control have good line and load regulation with flexible external design. There are four independent current limit control pins for four separate loads. Each of the current limit can be set by a resistor(RCS) at 100mV across it. Of course, output peak current limit is working during normal operation

   产品特点 返回TOPVF5嘉泰姆

    Vin: 9V to 40V    VF5嘉泰姆

 Vout: 1.2V to 28V; typical at 5V    VF5嘉泰姆

 CC/CV Mode Control VF5嘉泰姆

 PFM Mode for Increased Light Load Efficiency VF5嘉泰姆

 4 outputs current precision OCP: Adjustable Current‐Limit Protection     VF5嘉泰姆

 Burst mode when OCP/SCP occur VF5嘉泰姆

 Protection    VF5嘉泰姆

NMOS peak current limit:    accuracy：~10%    VF5嘉泰姆

Output short protection: reduce input current to less than 20mA(RMS) OVP(output Over‐Voltage Protection) Output FB short protection Temperature shut down(OTP) VF5嘉泰姆

 Adjustable Output Cable Resistance Compensation VF5嘉泰姆

 Duty: 0~97% VF5嘉泰姆

 Switching Frequency: 100kHz to 300KHz    VF5嘉泰姆

 Integrated MOSFET Drivers    VF5嘉泰姆

 QFN20 PackageVF5嘉泰姆

 Vin: 9V to 40V    VF5嘉泰姆

 Vout: 1.2V to 28V; typical at 5V    VF5嘉泰姆

 CC/CV Mode Control VF5嘉泰姆

 PFM Mode for Increased Light Load Efficiency VF5嘉泰姆

 4 outputs current precision OCP: Adjustable Current‐Limit Protection     VF5嘉泰姆

 Burst mode when OCP/SCP occur VF5嘉泰姆

 Protection    VF5嘉泰姆

NMOS peak current limit:    accuracy：~10%   VF5嘉泰姆

Output short protection: reduce input current to less than 20mA(RMS) OVP(output Over‐Voltage Protection) Output FB short protection Temperature shut down(OTP) VF5嘉泰姆

 Adjustable Output Cable Resistance Compensation VF5嘉泰姆

 Duty: 0~97% VF5嘉泰姆

 Switching Frequency: 100kHz to 300KHz    VF5嘉泰姆

 Integrated MOSFET Drivers    VF5嘉泰姆

 QFN20 PackageVF5嘉泰姆

   应用范围 返回TOPVF5嘉泰姆

 Car Charger VF5嘉泰姆

 High‐Brightness Lighting VF5嘉泰姆

 General‐Purpose DC/DC ControllerVF5嘉泰姆

   技术规格书（产品PDF) 返回TOP VF5嘉泰姆

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