XL2012 datasheet(2/9 Pages) ETC2

tên linh kiện	XL2012

Giải thích chi tiết về linh kiện	5V/2.4A 150KHz 40V Buck DC to DC Converter For USB Interface

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Datasheet

5V/2.4A 150KHz 40V Buck DC to DC Converter For USB Interface

XL2012

Rev 1.0

www.xlsemi.com

Pin Configurations

Figure2. Pin Configuration of XL2012 (Top View)

Table 1 Pin Description

Pin Number

Pin Name

Description

Feedback Pin (FB). The feedback threshold voltage is 5V.

No Connected.

Internal Voltage Regulator Bypass Capacity. In typical system

application, The VC pin connect a 1uf capacity to VIN.

VIN

Supply Voltage Input Pin. XL2012 operates from 8V to 40V

DC voltage. Bypass Vin to GND with a suitably large

capacitor to eliminate noise on the input.

5,6

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 XL2012.

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