LM2575S-3.3 National Semiconductor, LM2575S-3.3 Datasheet - Page 17

• Manufacturer Part Number: LM2575S-3.3
• Description: IC REG SIMPLE SWITCHER TO-263-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2575S-3.3

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 1A
• Frequency - Switching: 52kHz
• Voltage - Input: 4 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (5 leads + tab)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Other names: *LM2575S-3.3

Note 15: Schott Corp., [phone], 1000 Parkers Lake Rd., Wayzata, MN 55391.
Note 16: Pulse Engineering, [phone], P.O. Box 12236, San Diego, CA 92112.
Note 17: Renco Electronics Inc., [phone], 60 Jeffryn Blvd. East, Deer Park, NY 11729.
L100
L150
L220
L330
L470
L680
H150
H220
H330
H470
H680
H1000
H1500
H2200
Inductor
Code
20V
30V
40V
50V
60V
V
FIGURE 9. Inductor Selection by Manufacturer's Part Number
R
Inductor
Value
1N5817
MBR120P
SR102
1N5818
MBR130P
11DQ03
SR103
1N5819
MBR140P
11DQ04
SR104
MBR150
11DQ05
SR105
MBR160
11DQ06
SR106
1000 μH
1500 μH
2200 μH
1A
100 μH
150 μH
220 μH
330 μH
470 μH
680 μH
150 μH
220 μH
330 μH
470 μH
680 μH
FIGURE 8. Diode Selection Guide
Schottky
1N5820
MBR320
SR302
1N5821
MBR330
31DQ03
SR303
IN5822
MBR340
31DQ04
SR304
MBR350
31DQ05
SR305
MBR360
31DQ06
SR306
3A
67127000
67127010
67127020
67127030
67127040
67127050
67127060
67127070
67127080
67127090
67127100
67127110
67127120
67127130
(Note 15)
Schott
17
The following
diodes are all
rated to 100V
MUR110
HER102
11DF1
1A
Fast Recovery
Pulse Eng.
PE-92108
PE-53113
PE-52626
PE-52627
PE-53114
PE-52629
PE-53115
PE-53116
PE-53117
PE-53118
PE-53119
PE-53120
PE-53121
PE-53122
(Note 16)
rated to 100V
The following
diodes are all
MURD310
HER302
31DF1
3A
(Note 17)
RL2444
RL1954
RL1953
RL1952
RL1951
RL1950
RL2445
RL2446
RL2447
RL1961
RL1960
RL1959
RL1958
RL2448
Renco
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