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LM2576 Arkusz danych(PDF) 22 Page - ON Semiconductor

Numer części LM2576
Szczegółowy opis  EASY SWITCHER 3.0 A STEP.DOWN VOLTAGE REGULATOR
PDF  26 Pages
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Producent  ONSEMI [ON Semiconductor]
Strona internetowa  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LM2576 Arkusz danych(HTML) 22 Page - ON Semiconductor

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LM2576
http://onsemi.com
22
THE LM2576−5 STEP−DOWN VOLTAGE REGULATOR WITH 5.0 V @ 3.0 A OUTPUT POWER CAPABILITY.
TYPICAL APPLICATION WITH THROUGH−HOLE PC BOARD LAYOUT
Figure 35. Schematic Diagram of the LM2576−5 Step−Down Converter
D1
1N5822
L1
150
mH
Output
2
4
Feedback
Unregulated
DC Input
+Vin = 7.0 to 40 V
Cout
1000
mF
/16 V
C1
100
mF
/50 V
LM2576−5
1
5
3ON/OFF
GN
D
+Vin
ON/OFF
Regulated Output
Vout1 = 5.0 V @ 3.0 A
GNDin
GNDout
C1
−
100
mF, 50 V, Aluminium Electrolytic
C2
−
1000
mF, 16 V, Aluminium Electrolytic
D1
−
3.0 A, 40 V, Schottky Rectifier, 1N5822
L1
−
150
mH, RL2444, Renco Electronics
Figure 36. Printed Circuit Board Layout
Component Side
Figure 37. Printed Circuit Board Layout
Copper Side
LM2576
U1
D1
C1
C2
L1
+
+
Vou
t
GNDout
GNDi
n
+Vin
ON/OFF
NOTE: Not to scale.
NOTE: Not to scale.



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