IC, STEP-DOWN VOLTAGE REGULATOR, TO-220

LM2596T-ADJ

Manufacturer Part NumberLM2596T-ADJ
DescriptionIC, STEP-DOWN VOLTAGE REGULATOR, TO-220
ManufacturerNational Semiconductor
LM2596T-ADJ datasheet
 


Specifications of LM2596T-ADJ

Primary Input Voltage40VNo. Of Outputs1
Output Voltage37VOutput Current3A
No. Of Pins5Operating Temperature Range-40°C To +125°C
Supply Voltage Range4.5V To 40VFilter TerminalsThrough Hole
Rohs CompliantYesLead Free Status / RoHS StatusLead free / RoHS Compliant
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LM2596 Series Buck Regulator Design Procedure (Fixed Output)
Conditions
Output
Load
Max Input
Voltage
Current
Voltage
(V)
(A)
(V)
3.3
3
5
7
10
40
6
2
10
40
5
3
8
10
15
40
9
2
20
40
12
3
15
18
30
40
15
2
20
40
FIGURE 2. LM2596 Fixed Voltage Quick Design Component Selection Table
www.national.com
Inductor
Through Hole Electrolytic
Inductance
Inductor
Panasonic
( # )
(µH)
HFQ Series
(µF/V)
22 L41
470/25
22 L41
560/35
22 L41
680/35
33 L40
560/35
22 L33
470/25
33 L32
330/35
47 L39
330/35
22 L41
470/25
22 L41
560/25
33 L40
330/35
47 L39
330/35
22 L33
470/25
68 L38
180/35
68 L38
180/35
22 L41
470/25
33 L40
330/25
68 L44
180/25
68 L44
180/35
33 L32
330/25
68 L38
180/25
150 L42
82/25
12
(Continued)
Output Capacitor
Surface Mount Tantalum
Nichicon
AVX TPS
Sprague
PL Series
Series
595D Series
(µF/V)
(µF/V)
(µF/V)
560/16
330/6.3
390/6.3
560/35
330/6.3
390/6.3
680/35
330/6.3
390/6.3
470/35
330/6.3
390/6.3
470/35
330/6.3
390/6.3
330/35
330/6.3
390/6.3
270/50
220/10
330/10
560/16
220/10
330/10
560/25
220/10
330/10
330/35
220/10
330/10
270/35
220/10
330/10
560/16
220/10
330/10
180/35
100/10
270/10
180/35
100/10
270/10
470/25
100/16
180/16
330/25
100/16
180/16
180/25
100/16
120/20
180/35
100/16
120/20
330/25
100/16
180/16
180/25
100/16
120/20
82/25
68/20
68/25