參數(shù)資料
型號(hào): LM2678SX-ADJ
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator
中文描述: SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PSSO7
封裝: POWER, TO-263, SMT-7
文件頁(yè)數(shù): 20/27頁(yè)
文件大?。?/td> 459K
代理商: LM2678SX-ADJ
Capacitor Selection Guides
(Continued)
TABLE 3. Output Capacitors for Fixed Output Voltage Application
Output
Voltage (V)
Inductance
(μH)
Surface Mount
Sprague 594D
Series
No.
5
4
2
2
4
2
2
2
1
3
2
2
1
1
1
1
AVX TPS Series
Kemet T495 Series
No.
5
4
3
1
4
3
3
2
2
4
3
2
2
2
1
1
C Code
C1
C1
C2
C1
C2
C3
C2
C2
C2
C5
C5
C5
C5
C4
C5
C4
C Code
C1
C1
C7
C7
C6
C7
C7
C3
C7
C6
C7
C6
C7
C6
C5
C5
No.
5
4
3
3
4
3
3
2
2
5
4
3
3
2
2
1
C Code
C2
C3
C4
C4
C4
C5
C4
C4
C4
C9
C9
C8
C8
C8
C7
C8
3.3
10
15
22
33
10
15
22
33
47
10
15
22
33
47
68
100
5
12
Output
Voltage (V)
Inductance
(μH)
Through Hole
Sanyo OS-CON SA
Series
No.
2
2
1
1
2
1
1
1
1
2
1
1
1
1
1
1
Sanyo MV-GX Series
Nichicon PL Series
Panasonic HFQ
Series
No.
2
2
1
1
2
1
1
1
2
2
1
1
1
1
1
1
C Code
C5
C5
C5
C5
C4
C5
C5
C4
C4
C7
C8
C7
C7
C7
C6
C6
No.
2
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
C Code
C6
C5
C10
C10
C5
C10
C9
C5
C4
C10
C6
C5
C4
C3
C2
C2
No.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
C Code
C8
C7
C5
C5
C6
C5
C5
C4
C2
C14
C17
C13
C12
C11
C10
C9
C Code
C6
C5
C7
C7
C5
C7
C5
C4
C4
C4
C5
C5
C4
C3
C3
C1
3.3
10
15
22
33
10
15
22
33
47
10
15
22
33
47
68
100
5
12
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.
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2678SX-ADJ/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2678T-12 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2678T-12 制造商:Texas Instruments 功能描述:SWITCHING REG 5A 12V 2678 TO2207
LM2678T-12/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2678T-3.3 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT