CXSD61019

CXSD61019 180 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 3.5A load with high efficiency, low ripple and excellent line and load regulation

CXSD61019 180 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 3.5A lo

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   产品概述 返回TOPGkx嘉泰姆


         The CXSD61019 is a 180 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 3.5A load with high efficiency, low ripple and excellent line and load regulation. Requiring a minimum number of external components, the regulator is simple to use and include internal frequency compensation  and  a fixed-frequency oscillator.Gkx嘉泰姆
       The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%. An over current protection function is built inside.When short protection function happens, the operation frequency will be reduced from 180KHz to 48KHz. An internal compensation block is built in to minimize external component count

   产品特点 返回TOPGkx嘉泰姆


Wide 8V to 36V Input Voltage RangeGkx嘉泰姆
Output Adjustable from 1.25V to 32VGkx嘉泰姆
Maximum Duty Cycle 100%Gkx嘉泰姆
Minimum Drop Out 0.3VGkx嘉泰姆
Fixed 180KHz Switching FrequencyGkx嘉泰姆
Maximum 3.5A Switching CurrentGkx嘉泰姆
Internal Optimize Power MOSFETGkx嘉泰姆
High efficiencyGkx嘉泰姆
Excellent line and load regulationGkx嘉泰姆
With output constant current loopGkx嘉泰姆
Built in thermal shutdown functionGkx嘉泰姆
Built in current limit functionGkx嘉泰姆
Built in output short protection functionGkx嘉泰姆
SOP8-EP packageGkx嘉泰姆

   应用范围 返回TOPGkx嘉泰姆


Car ChargerGkx嘉泰姆
Battery ChargerGkx嘉泰姆
LCD Monitor and LCD TVGkx嘉泰姆
Portable instrument power supplyGkx嘉泰姆
Telecom / Networking EquipmentGkx嘉泰姆

   技术规格书(产品PDF) 返回TOP Gkx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Gkx嘉泰姆

 QQ截图20160419174301.jpgGkx嘉泰姆

产品封装图 返回TOPGkx嘉泰姆


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Pin Number Pin Name Description
1 NC No Connected.
2 SW Power Switch Output Pin (SW). SW is the switch node thatGkx嘉泰姆
supplies power to the output.Gkx嘉泰姆
(Note: Connected the back exposed PAD to SW.)
3 GND Ground Pin. Care must be taken in layout. This pin should beGkx嘉泰姆
placed outside of the Schottky Diode to output capacitorGkx嘉泰姆
ground path to prevent switching current spikes from inducingGkx嘉泰姆
voltage noise into CXSD61019.
4 FB Feedack Pin (FB). Through an external resistor dividerGkx嘉泰姆
network, FB senses the output voltage and regulates it. TheGkx嘉泰姆
feedback threshold voltage is 1.25V.
5 EN Enable Pin. Drive EN pin low to turn off the device, drive itGkx嘉泰姆
high to turn it on.
6 OCSET Output Constant Current Set Pin.
7 VC Internal Voltage Regulator Bypass Capacity. In typical systemGkx嘉泰姆
application, The VC pin connect a 1uf capacity to VIN.
8 VIN Supply Voltage Input Pin. CXSD61019 operates from a 8V to 36V  DC voltage. Bypass Vin to GND with a suitably large capacitor to eliminate noise on the input.

电路原理图 返回TOPGkx嘉泰姆

 Gkx嘉泰姆


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