參數(shù)資料
型號(hào): LM2679S-12
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit
中文描述: 8.1 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PSSO7
封裝: TO-263, 7 PIN
文件頁數(shù): 18/24頁
文件大小: 355K
代理商: LM2679S-12
Application Hints
(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
No.
2
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
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
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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LM2679S-12/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
LM2679S-3.3 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
LM2679S-3.3/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
LM2679S-5.0 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
LM2679S-5.0/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 5A STEP-DOWN VLTG REG RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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