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参数资料
| 型号： | LM2670LDX-3.3 |
| 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, PDSO14 |
| 封装： | LLP-14 |
| 文件页数： | 13/26页 |
| 文件大小： | 441K |
| 代理商： | LM2670LDX-3.3 |
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.
LM2670
www.national.com
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| LM2670LD-3.3 | 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO14 |
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| LM2670S-12/NOPB | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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| LM2670S-3.3 | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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