lm2575-5 ON Semiconductor, lm2575-5 Datasheet - Page 23

• Manufacturer Part Number: lm2575-5
• Description: 1.0 A, Adjustable Output Voltage, Step-down Switching Regulator
• Manufacturer: ON Semiconductor

GND
+V
THE LM2575−5.0 STEP−DOWN VOLTAGE REGULATOR WITH 5.0 V @ 1.0 A OUTPUT POWER
Figure 36. Printed Circuit Board
in
in
+V
in
L1
= +7.0 V to +40 V
CAPABILITY. TYPICAL APPLICATION WITH THROUGH−HOLE PC BOARD LAYOUT
C1
Unregulated
Component Side
NOTE: Not to scale.
DC Input
GND
D1
U1 LM2575
Figure 35. Schematic Diagram of the LM2575−5.0 Step−Down Converter
in
100 mF
/50 V
C1
C2
D1
L1
C1
J1
−
−
−
−
100 mF, 50 V, Aluminium Electrolytic
330 mF, 16 V, Aluminium Electrolytic
1.0 A, 40 V, Schottky Rectifier, 1N5819
330 mH, Tech 39: 77 458 BV, Toroid Core, Through−Hole, Pin 3 = Start, Pin 7 = Finish
C2
+V
GND
+V
in
1
out1
out
3
LM2575−5.0
GND
http://onsemi.com
5
J1
ON/OFF
23
4
Output
2
Feedback
D1
1N5819
330 mH
L1
Figure 37. Printed Circuit Board
C
330 mF
/16 V
out
NOTE: Not to scale.
Copper Side
DC-DC Converter
Regulated Output
+V
GND
out1
out
= 5.0 V @ 1.0 A