DFR0205 datasheet(2/9 Pages) ETC

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Giải thích chi tiết về linh kiện	5A 350KHz 25V Buck DC to DC Converter

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Datasheet

5A 350KHz 25V Buck DC to DC Converter

Pin Configurations

Figure2. Pin Configuration of GS2678 (Top View)

Table 1 Pin Description

Pin Number

Pin Name

Description

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 GS2678.

Feedback Pin (FB). Through an external resistor divider

network, FB senses the output voltage and regulates it. The

feedback threshold voltage is 0.8V.

Power Switch Output Pin (SW). SW is the switch node that

supplies power to the output.

Enable Pin. Drive EN pin high to turn on the device, drive it

low to turn it off. Floating is default high.

VIN

Supply Voltage Input Pin. GS2678 operates from a 3.6V to

25V DC voltage. Bypass Vin to GND with a suitably large

capacitor to eliminate noise on the input.

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