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参数资料
| 型号： | LM2670T-3.3EP |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PZFM7 |
| 封装： | PLASTIC, TO-220, 7 PIN |
| 文件页数： | 13/25页 |
| 文件大小： | 465K |
| 代理商： | LM2670T-3.3EP |
Capacitor Selection Guides (Continued)
Table 4. Input Capacitors for Fixed Output Voltage Application
(Assumes worst case maximum input voltage and load current for a given inductance value)
Output
Voltage (V)
Inductance
(H)
Surface Mount
AVX TPS Series
Sprague 594D
Series
Kemet T495 Series
No.
C Code
No.
C Code
No.
C Code
3.3
10
2
C5
1
C7
2
C8
15
3
C9
1
C10
3
C10
22
*
2
C13
3
C12
33
*
2
C13
2
C12
5
10
2
C5
1
C7
2
C8
15
2
C5
1
C7
2
C8
22
3
C10
2
C12
3
C11
33
*
2
C13
3
C12
47
*
1
C13
2
C12
12
10
2
C7
2
C10
2
C7
15
2
C7
2
C10
2
C7
22
3
C10
2
C12
3
C10
33
3
C10
2
C12
3
C10
47
*
2
C13
3
C12
68
*
2
C13
2
C12
100
*
1
C13
2
C12
Output
Voltage (V)
Inductance
(H)
Through Hole
Sanyo OS-CON SA
Series
Sanyo MV-GX Series
Nichicon PL Series
Panasonic HFQ
Series
No.
C Code
No.
C Code
No.
C Code
No.
C Code
3.3
10
1
C7
2
C4
1
C5
1
C6
15
1
C10
1
C10
1
C18
1
C6
22
*
1
C14
1
C24
1
C13
33
*
1
C12
1
C20
1
C12
5
10
1
C7
2
C4
1
C14
1
C6
15
1
C7
2
C4
1
C14
1
C6
22
*
1
C10
1
C18
1
C13
33
*
1
C14
1
C23
1
C13
47
*
1
C12
1
C20
1
C12
12
10
1
C9
1
C10
1
C18
1
C6
15
1
C10
1
C10
1
C18
1
C6
22
1
C10
1
C10
1
C18
1
C6
33
*
1
C10
1
C18
1
C6
47
*
1
C13
1
C23
1
C13
68
*
1
C12
1
C21
1
C12
100
*
1
C11
1
C22
1
C11
* Check voltage rating of capacitors to be greater than application input voltage.
No. represents the number of identical capacitor types to be connected in parallel
C Code indicates the Capacitor Reference number in Table 2 for identifying the specific component from the manufacturer.
LM2670EP
Enhanced
Plastic
www.national.com
20
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