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LM2575 Datasheet(PDF) 22 Page - ON Semiconductor

Part # LM2575
Description  1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator
PDF  26 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LM2575 Datasheet(HTML) 22 Page - ON Semiconductor

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LM2575
http://onsemi.com
22
THE LM2575−5.0 STEP−DOWN VOLTAGE REGULATOR WITH 5.0 V @ 1.0 A OUTPUT POWER
CAPABILITY. TYPICAL APPLICATION WITH THROUGH−HOLE PC BOARD LAYOUT
DC−DC Converter
Figure 35. Schematic Diagram of the LM2575−5.0 Step−Down Converter
Figure 36. Printed Circuit Board
Component Side
Figure 37. Printed Circuit Board
Copper Side
D1
1N5819
L1
330
mH
Output
2
4
Feedback
Unregulated
DC Input
+Vin = +7.0 V to +40 V
Cout
330
mF
/16 V
C1
100
mF
/50 V
LM2575−5.0
1
5
3ON/OFF
GND
+Vin
J1
Regulated Output
+Vout1 = 5.0 V @ 1.0 A
GNDin
GNDout
C1
−
100
mF, 50 V, Aluminium Electrolytic
C2
−
330
mF, 16 V, Aluminium Electrolytic
D1
−
1.0 A, 40 V, Schottky Rectifier, 1N5819
L1
−
330
mH, Tech 39: 77 458 BV, Toroid Core, Through−Hole, Pin 3 = Start, Pin 7 = Finish
NOTE: Not to scale.
NOTE: Not to scale.
+Vout1
+Vin
GNDin
GNDout
C1
L1
C2
D1
J1
U1 LM2575



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