LM2596S-12 National Semiconductor, LM2596S-12 Datasheet - Page 11
![DC/DC Converter IC](/photos/19/2/190204/4243352_sml.jpg)
LM2596S-12
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM2596S-12
Manufacturer:
CG
Quantity:
20 000
Company:
Part Number:
LM2596S-12/NOPB
Manufacturer:
MICROCHIP
Quantity:
1 450
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
22
22
22
33
22
33
47
22
22
33
47
22
68
68
22
33
68
68
33
68
L41
L41
L41
L40
L33
L32
L39
L41
L41
L40
L39
L33
L38
L38
L41
L40
L44
L44
L32
L38
L42
Inductor
( # )
11
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
(µF/V)
Output Capacitor
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
Series
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
(µF/V)
68/20
(Continued)
595D Series
www.national.com
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