參數(shù)資料
型號(hào)： LM2677S-3.3
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator with Sync
中文描述： 8.75 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PSSO7
封裝： TO-263, 7 PIN
文件頁(yè)數(shù)： 20/26頁(yè)
文件大小： 847K
代理商： LM2677S-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
(μH)
Surface Mount
Sprague 594D
Series
No.
2
3
2
2
2
3
3
2
1
2
2
3
3
2
2
1
AVX TPS Series
Kemet T495 Series
No.
3
*
*
*
3
4
*
*
*
4
4
4
*
*
*
*
C Code
C7
*
*
*
C4
C9
*
*
*
C9
C8
C9
*
*
*
*
C Code
C10
C13
C13
C13
C6
C12
C13
C13
C13
C10
C10
C12
C13
C13
C13
C13
No.
3
4
3
3
3
4
4
3
2
4
4
4
4
3
2
2
C Code
C9
C12
C12
C12
C9
C10
C12
C12
C12
C10
C10
C10
C12
C12
C12
C12
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
*
*
*
*
2
2
*
*
*
*
*
Sanyo MV-GX Series
Nichicon PL Series
Panasonic HFQ
Series
No.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
C Code
C9
*
*
*
C7
*
*
*
*
C10
C10
*
*
*
*
*
No.
2
2
1
1
2
2
2
1
1
2
2
2
2
1
1
1
C Code
C8
C13
C14
C14
C8
C8
C13
C14
C12
C8
C8
C8
C12
C14
C13
C11
No.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
C Code
C18
C25
C24
C24
C25
C25
C25
C23
C19
C18
C18
C18
C24
C23
C21
C22
C Code
C8
C16
C16
C16
C8
C8
C16
C13
C11
C8
C8
C8
C14
C13
C15
C11
3.3
10
15
22
33
10
15
22
33
47
10
15
22
33
47
68
100
5
12
*
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.
L
www.national.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2677S5.0 制造商:National Semiconductor 功能描述:Conv DC-DC Single Step Down 8V to 40V 8-Pin(7+Tab) TO-263 Rail
LM2677S-5.0 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
LM2677S-5.0/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 HIGH EFF 5A STEP- DOWN VLTG REG 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
LM2677S-ADJ 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
LM2677S-ADJ/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 HIGH EFF 5A STEP- DOWN VLTG REG 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
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