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EC3221 датащи(PDF) 2 Page - E-CMOS Corporation

номер детали EC3221
подробное описание детали  1.5MHz, Dual 1.5A, Synchronous Step-Down Regulator
PDF  16 Pages
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производитель  E-CMOS [E-CMOS Corporation]
домашняя страница  http://www.ecmos.com.tw/
Logo E-CMOS - E-CMOS Corporation

EC3221 датащи(HTML) 2 Page - E-CMOS Corporation

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1.5MHz, Dual 1.5A, Synchronous
Step-Down Regulator
EC3221
E-CMOS Corp. (www.ecmos.com.tw)
Page 2 of 16
3F18N-Rev.P001
Pin Assignments
Figure 2 Pin Configuration of EC3221
Pin Description
Pin Number
Pin Name
Description
7,5
EN1,2
Enable Pin. EN is a digital input that turns the regulator on or off .Drive EN pin
high to turn on the regulator, drive it low to turn it off.
Exposed
paddle
GND
Ground Pin..
2,4
LX1,2
Power Switch Output Pin. SW is the switch node that supplies power to the
output.
1,3
IN1,2
Input pin. Decouple this pin to GND paddle with at least 10uF ceramic cap.
8,6
FB1,2
Feedback Pin. Through an external resistor divider network, FB senses the
output voltage and regulates it. The feedback threshold voltage is 0.6V.



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