LM2595S12 National Semiconductor, LM2595S12 Datasheet - Page 14
LM2595S12
Manufacturer Part Number
LM2595S12
Description
SWITCHING REG, 1A 12V, SMD, 2595
Manufacturer
National Semiconductor
Datasheet
1.LM2595S12.pdf
(29 pages)
Specifications of LM2595S12
Primary Input Voltage
24V
No. Of Outputs
1
Output Voltage
12V
Output Current
1A
Voltage Regulator Case Style
TO-263
No. Of Pins
5
Operating Temperature Range
-25°C To +125°C
Svhc
No SVHC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
www.national.com
LM2595 Series Buck Regulator Design Procedure (Adjustable Output)
LM2595 Series Buck Regulator Design Procedure
INDUCTOR VALUE SELECTION GUIDES (For Continuous Mode Operation)
(Continued)
Voltage
Output
(V)
1.2
1 2
1 5
2 4
2 8
4
6
9
HFQ Series
Panasonic
Through Hole Electrolytic Output Capacitor
330/50
220/25
220/25
180/25
120/25
120/25
FIGURE 4. LM2595-3.3
FIGURE 5. LM2595-5.0
(µF/V)
82/35
82/50
FIGURE 3. Output Capacitor and Feedforward Capacitor Selection Table
Nichicon PL
Series
330/50
220/25
220/25
180/25
120/25
120/25
(µF/V)
82/35
82/50
DS012565-24
DS012565-25
Feedforward
Capacitor
4.7 nF
3.3 nF
1.5 nF
1.5 nF
1.5 nF
1 nF
1 nF
0
14
AVX TPS
330/6.3
220/10
220/10
100/16
Series
(µF/V)
Surface Mount Tantalum Output Capacitor
68/20
68/20
33/25
10/35
FIGURE 7. LM2595-ADJ
FIGURE 6. LM2595-12
595D Series
Sprague
330/6.3
220/10
220/10
180/16
120/20
100/20
(µF/V)
33/35
33/35
Feedforward
DS012565-26
DS012565-27
Capacitor
220 pF
220 pF
4.7 nF
3.3 nF
1.5 nF
1.5 nF
1.5 nF
0