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SC4524CSETRT Fiches technique(PDF) 17 Page - Samtec, Inc

No de pièce SC4524CSETRT
Description  28V 2A Step-Down Switching Regulator
PDF  22 Pages
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Fabricant  SAMTEC [Samtec, Inc]
Site Internet  http://www.samtec.com/
Logo SAMTEC - Samtec, Inc

SC4524CSETRT Fiches technique(HTML) 17 Page - Samtec, Inc

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SC4524C
7
Recommended Component Parameters in Typical Applications
Table 5 lists the recommended inductance (L
) and compensation network (R7, C5, C8) for common input and output
voltages. The inductance is determined by assuming that the ripple current is 35% of load current I
O. The compensator
parameters are calculated by assuming a 22mF low ESR ceramic output capacitor and a loop gain crossover frequency
of F
SW/0.
Table 5. Recommended inductance (L
1) and compensator (R7, C5, C8)
SC4524C Compensator Parameters
Vin(V)
Vo(V)
Io(A)
Fsw(kHz)
C2(uF)
L1(uH)
R7(k)
C5(nF)
C8(pF)
1
8.2
2
4.7
500
15
6.81
1.5
22
1000
6.8
12.1
0.82
10
500
6.8
6.81
1.5
22
1000
3.3
12.1
0.68
10
500
15
9.09
1
22
1000
8.2
18.7
0.68
10
500
8.2
9.09
1
22
1000
4.7
18.7
0.68
500
15
14.3
0.82
1000
10
24.9
0.68
500
8.2
14.3
0.82
1000
4.7
27.4
0.68
500
15
21.5
0.82
1000
8.2
38.3
0.68
500
8.2
21.5
0.82
1000
4.7
38.3
0.68
500
10
25.5
0.82
1000
4.7
51.1
0.68
500
4.7
25.5
0.82
1000
2.2
51.1
0.68
1
10
2
8.2
1
15
2
8.2
1
22
2
10
500
22
12.1
0.82
22
1000
15
26.1
0.68
10
500
10
12.1
0.82
22
1000
6.8
26.1
0.68
500
33
21.5
0.82
1000
15
38.3
0.68
500
10
21.5
0.82
22
1000
8.2
38.3
0.68
10
500
22
26.1
0.82
22
1000
10
51.1
0.68
10
500
10
26.1
0.82
22
1000
8.2
51.1
0.68
10
2
300
5.49
3.3
2.5
500
7.5
1.5
3.3
9.09
1
24
1.5
5
1
2
7.5
1
2
10
1
7.5
1
2
10
1
2
1
2
5
1
2
Typical Applications
Recommended Parameters
22
12
1.5
2.5
1
2
3.3
4.32
3.3
500
10
47
10
10
10



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