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AN557 Folha de dados(PDF) 37 Page - STMicroelectronics

Nome de Peças AN557
Descrição Electrónicos  EASY APPLICATION DESIGN WITH THE L4970A
PDF  52 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN557 Folha de dados(HTML) 37 Page - STMicroelectronics

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AN557 APPLICATION NOTE
Table 4. Admissible ripple current
Rated cap.
(
µF)
Rated volt.
(V)
Dimensions
D x L (mm)
(nominal
dimen-
sions)
Dissipation
factor tan
δ
(100Hz;
20°C) Lim.
Values
Impedance
Z (
Ω)
(100KHz;
20°C)
(Lim. val-
ues)
Impedance
Z (
Ω)
(100KHz;
-10°C)
(Lim. val-
ues)
Impedance
Z (
Ω)
(100KHz;
-40°C)
(Lim. val-
ues)
Admissible
ripple curr.
(mA)100Hz)
105°C
EKE
22
33
47
100
220
330
330
470
10
10
10
10
10
10
10
10
5 x 11
5 x 11
5 x 11
5 x 11
6.3 x 11
8 x 11.5
8.5 x 12.5
8 x 11.5
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
1.30
1.30
1.30
1.30
0.60
0.33
0.33
0.33
3.90
3.90
3.90
3.90
1.80
0.99
0.99
0.99
20
20
20
20
9.80
5.80
5.80
5.80
154
154
154
1 54
260
400
400
400
100
220
220
330
470
16
16
16
16
16
6.3 x 11
8 x 11.5
8.5 x 12.5
8 x 11.5
10 x 12.5
0.16
0.16
0.16
0.16
0.16
0.60
0.33
0.33
0.33
0.25
1.80
0.99
0.99
0.99
0.75
9.80
5.80
5.80
5.80
3.20
260
400
400
400
510
100
220
330
470
25
25
25
25
6.3 x 11
8 x 11.5
10 x 12.5
10 x 16
0.14
0.14
0.14
0.14
0.60
0.33
0.25
0.19
1.80
0.99
0.75
0.57
9.80
5.80
3.20
2.20
260
400
510
635
100
100
220
330
470
35
35
35
35
35
8 x 11.5
8.5 x 12.5
10 x 12.5
10 x 16
10 x 20
0.12
0.12
0.12
0.12
0.12
0.33
0.33
0.25
0.19
0.14
0.99
0.99
0.75
0.57
0.42
5.80
5.80
3.20
2.20
1.50
400
400
510
635
860
Ambient Temp.
δu in ×C
Admissible % of the
85
°C value
Surface Temp.
in
°C
Admissible % of the
105
°C value
Surface Temp.
in
°C
≤ 40
220 %
55
230 %
55
45
210 %
59
220 %
60
50
200 %
63
210 %
64
55
190 %
67
200 %
68
60
180 %
70
190 %
72
65
170 %
74
180 %
76
70
155 %
77
170 %
80
75
140 %
81
160 %
84
80
120 %
84
150 %
88
85
100 %
88
140 %
92
90
90 %
92
130 %
96
95
80 %
97
120 %
100
100
70 %
101
110 %
104
105
60 %
106
100 %
108
Table 3. Low-voltage electrolytic capacitors for switch-mode power supplies with low impedance
values, radial, polarized styles (continued)



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