
LM2596 Series Buck Regulator Design Procedure (Adjustable Output)
LM2596 Series Buck Regulator Design Procedure
INDUCTOR VALUE SELECTION GUIDES (For Continuous Mode Operation)
Output
Voltage
(V)
Through Hole Output Capacitor
Surface Mount Output Capacitor
Panasonic
Nichicon PL
Feedforward
AVX TPS
Sprague
Feedforward
HFQ Series
Series
Capacitor
Series
595D Series
Capacitor
(F/V)
2
820/35
33 nF
330/6.3
470/4
33 nF
4
560/35
470/35
10 nF
330/6.3
390/6.3
10 nF
6
470/25
3.3 nF
220/10
330/10
3.3 nF
9
330/25
1.5 nF
100/16
180/16
1.5 nF
12
330/25
1 nF
100/16
180/16
1 nF
15
220/35
680 pF
68/20
120/20
680 pF
24
220/35
150/35
560 pF
33/25
220 pF
28
100/50
390 pF
10/35
15/50
220 pF
FIGURE 3. Output Capacitor and Feedforward Capacitor Selection Table
01258324
FIGURE 4. LM2596-3.3
01258325
FIGURE 5. LM2596-5.0
01258326
FIGURE 6. LM2596-12
01258327
FIGURE 7. LM2596-ADJ
LM2596
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