LM2596S-12 National Semiconductor, LM2596S-12 Datasheet - Page 16

• Manufacturer Part Number: LM2596S-12
• Description: DC/DC Converter IC
• Manufacturer: National Semiconductor

Specifications of LM2596S-12

• Input Voltage: 40V
• Output Current: 3A
• Output Voltage: 12V
• No. Of Pins: 5
• Termination Type: SMD
• Mounting Type: Through Hole
• Voltage Regulator Type: Buck Switching
• Output Current Max: 3A
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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LM2596 Series Buck Regulator Design Procedure
L15
L21
L22
L23
L24
L25
L26
L27
L28
L29
L30
L31
L32
L33
L34
L35
L36
L37
L38
L39
L40
L41
L42
L43
L44
Inductance
(µH)
330
220
150
100
220
150
100
150
100
22
68
47
33
22
15
68
47
33
22
15
68
47
33
22
68
Cur-
rent
0.99
0.99
1.17
1.40
1.70
2.10
0.80
1.00
1.20
1.47
1.78
2.20
2.50
3.10
3.40
1.70
2.10
2.50
3.10
3.50
3.50
3.50
2.70
3.40
3.40
(A)
67148350
67144070
67144080
67144090
67148370
67148380
67144100
67144110
67144120
67144130
67144140
67144150
67144160
67148390
67148400
67144170
67144180
67144190
67144200
67144210
67144220
67144230
67148410
67144240
67144250
Through
Hole
Coilcraft Inc.
Coilcraft Inc., Europe
Pulse Engineering Inc.
Pulse Engineering
Inc.,
Europe
Renco Electronics Inc.
Schott Corp.
FIGURE 9. Inductor Manufacturers Phone Numbers
FIGURE 8. Inductor Manufacturers Part Numbers
Schott
67148460 RL-1284-22-43 RL1500-22
67144450 RL-5471-5
67144460 RL-5471-6
67144470 RL-5471-7
67148480 RL-1283-22-43
67148490 RL-1283-15-43
67144480 RL-5471-1
67144490 RL-5471-2
67144500 RL-5471-3
67144510 RL-5471-4
67144520 RL-5471-5
67144530 RL-5471-6
67144540 RL-5471-7
67148500 RL-1283-22-43
67148790 RL-1283-15-43
67148290 RL-5472-4
67148300 RL-5472-5
Surface
Mount
—
—
—
—
—
—
—
—
RL-5473-1
RL-5473-4
RL-5472-1
RL-5472-2
RL-5472-3
RL-5473-4
RL-5473-2
RL-5473-3
Through
Hole
16
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Renco
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
RL1500-68
Surface
Mount
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
(Continued)
PE-53815
PE-53821
PE-53822
PE-53823
PE-53824
PE-53825
PE-53826
PE-53827
PE-53828
PE-53829
PE-53830
PE-53831 PE-53831-S
PE-53932 PE-53932-S
PE-53933 PE-53933-S
PE-53934 PE-53934-S
PE-53935
PE-54036 PE-54036-S
PE-54037 PE-54037-S
PE-54038 PE-54038-S
PE-54039 PE-54039-S
PE-54040 PE-54040-S
PE-54041 PE-54041-S
PE-54042 PE-54042-S
PE-54043
PE-54044
Through
Pulse Engineering
Hole
PE-53815-S DO3308-223
PE-53821-S DO3316-683
PE-53822-S DO3316-473
PE-53823-S DO3316-333
PE-53825-S DO3316-223
PE-53824-S DO3316-153
PE-53826-S DO5022P-334
PE-53827-S DO5022P-224
PE-53828-S DO5022P-154
PE-53829-S DO5022P-104
PE-53830-S DO5022P-683
PE-53935-S
Surface
Mount
DO5022P-473
DO5022P-333
DO5022P-223
DO5022P-153
Coilcraft
Surface
Mount
—
—
—
—
—
—
—
—
—
—