(2 Con) IC Dán XL2009E1 XL2009 3A 180KHz 36V Buck DC to DC Converter SOP-8 (SMD) - 4903342 _{Yêu thích}

(2 Con )IC Dán XL2009E1 XL2009 3A 180KHz 36V Buck DC to DC Converter SOP-8 (SMD)

Table 1 Pin Description Pin Number Pin Name Description 1 FB Feedback Pin (FB). Through an external resistor divider network, FB senses the output voltage and regulates it. The feedback threshold voltage is 1.25V. 2 OCSET Output Constant Current Set Pin. 3 VC Internal Voltage Regulator Bypass Capacity. In typical system application, The VC pin connect a 1uf capacity to VIN. 4 VIN Supply Voltage Input Pin. XL2009 operates from a 8V to 36V DC voltage. Bypass Vin to GND with a suitably large capacitor to eliminate noise on the input. 5,6 SW Power Switch Output Pin (SW). SW is the switch node that supplies power to the output. 7,8 GND Ground Pin. Care must be taken in layout. This pin should be placed outside of the Schottky Diode to output capacitor ground path to prevent switching current spikes from inducing voltage noise into XL2009.

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