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

DC/DC Converter IC

LM2596S-ADJ

Manufacturer Part Number
LM2596S-ADJ
Description
DC/DC Converter IC
Manufacturer
National Semiconductor
Datasheet

Specifications of LM2596S-ADJ

Input Voltage
40V
Output Current
3A
Output Voltage
37V
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 (Fixed Output)
Voltage
Output
3.3
(V)
12
5
Conditions
Current
Load
(A)
3
2
3
2
3
2
FIGURE 2. LM2596 Fixed Voltage Quick Design Component Selection Table
Max Input
Voltage
(V)
10
40
10
40
10
15
40
20
40
15
18
30
40
15
20
40
5
7
6
8
9
Inductance
(µH)
Inductor
150 L42
22 L41
22 L41
22 L41
33 L40
22 L33
33 L32
47 L39
22 L41
22 L41
33 L40
47 L39
22 L33
68 L38
68 L38
22 L41
33 L40
68 L44
68 L44
33 L32
68 L38
Inductor
( # )
12
HFQ Series
Panasonic
Through Hole Electrolytic
470/25
560/35
680/35
560/35
470/25
330/35
330/35
470/25
560/25
330/35
330/35
470/25
180/35
180/35
470/25
330/25
180/25
180/35
330/25
180/25
(µF/V)
82/25
PL Series
Nichicon
560/16
560/35
680/35
470/35
470/35
330/35
270/50
560/16
560/25
330/35
270/35
560/16
180/35
180/35
470/25
330/25
180/25
180/35
330/25
180/25
Output Capacitor
(µF/V)
82/25
Surface Mount Tantalum
AVX TPS
330/6.3
330/6.3
330/6.3
330/6.3
330/6.3
330/6.3
220/10
220/10
220/10
220/10
220/10
220/10
100/10
100/10
100/16
100/16
100/16
100/16
100/16
100/16
Series
(µF/V)
68/20
(Continued)
595D Series
Sprague
390/6.3
390/6.3
390/6.3
390/6.3
390/6.3
390/6.3
330/10
330/10
330/10
330/10
330/10
330/10
270/10
270/10
180/16
180/16
120/20
120/20
180/16
120/20
(µF/V)
68/25

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