LM2575D2T-12 ON Semiconductor, LM2575D2T-12 Datasheet - Page 22

• Manufacturer Part Number: LM2575D2T-12
• Description: EASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATOR
• Manufacturer: ON Semiconductor

THE LM2575–5.0 STEP–DOWN VOLTAGE REGULATOR WITH 5.0 V @ 1.0 A OUTPUT POWER CAPABILITY.
22
Gnd in
+V in
+V in = +7.0 V to +40 V
Figure 36. Printed Circuit Board
L1
Unregulated
C1
Component Side
NOTE: Not to scale.
DC Input
Gnd in
TYPICAL APPLICATION WITH THROUGH–HOLE PC BOARD LAYOUT
D1
Figure 35. Schematic Diagram of the LM2575–5.0 Step–Down Converter
U1 LM2575
100 F
/50 V
C1
C2
D1
L1
C1
J1
–
–
–
–
100 F, 50 V, Aluminium Electrolytic
330 F, 16 V, Aluminium Electrolytic
1.0 A, 40 V, Schottky Rectifier, 1N5819
330 H, Tech 39: 77 458 BV, Toroid Core, Through–Hole, Pin 3 = Start, Pin 7 = Finish
+V in
C2
1
Gnd out
+V out1
3
LM2575–5.0
Gnd
5
LM2575
J1
ON/OFF
4
Output
2
Feedback
D1
1N5819
330 H
L1
Figure 37. Printed Circuit Board
MOTOROLA ANALOG IC DEVICE DATA
C out
330 F
/16 V
NOTE: Not to scale.
Copper Side
Regulated Output
+V out1 = 5.0 V @ 1.0 A
Gnd out
DC–DC Converter