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參數(shù)資料
| 型號： | LM2676S-12 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator |
| 中文描述： | 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PSSO7 |
| 封裝： | TO-263, 7 PIN |
| 文件頁數(shù)： | 20/25頁 |
| 文件大?。?/td> | 455K |
| 代理商： | LM2676S-12 |
Capacitor Selection Guides
(Continued)
Output
Voltage (V)
Inductance
(μH)
Through Hole
Sanyo OS-CON SA
Series
No.
1
1
1
*
*
*
*
Sanyo MV-GX Series
Nichicon PL Series
Panasonic HFQ
Series
No.
1
1
1
1
1
1
1
C Code
C9
C10
C10
*
*
*
*
No.
1
1
1
1
1
1
1
C Code
C10
C10
C10
C10
C13
C12
C11
No.
1
1
1
1
1
1
1
C Code
C18
C18
C18
C18
C23
C21
C22
C Code
C6
C6
C6
C6
C13
C12
C11
12
10
15
22
33
47
68
100
*
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.
Table 5. Schottky Diode Selection Table
Reverse
Voltage
(V)
20V
Surface Mount
Through Hole
3A
5A or More
3A
5A or More
SK32
1N5820
SR302
1N5821
31DQ03
1N5822
MBR340
31DQ04
SR403
30V
SK33
30WQ03F
SK34
30BQ040
30WQ04F
MBRS340
MBRD340
SK35
30WQ05F
MBRD835L
40V
MBRB1545CT
6TQ045S
MBR745
80SQ045
6TQ045
50V or
More
MBR350
31DQ05
SR305
Diode Manufacturer Contact Numbers
International Rectifier
Phone
FAX
Phone
FAX
Phone
(310) 322-3331
(310) 322-3332
(800) 521-6274
(602) 244-6609
(516) 847-3000
Motorola
General
Semiconductor
FAX
Phone
FAX
(516) 847-3236
(805) 446-4800
(805) 446-4850
Diodes, Inc.
Table 6. Output Capacitors for Adjustable Output Voltage Applications
Output Voltage
(V)
Inductance
(μH)
Surface Mount
Sprague 594D
Series
No.
6
4
AVX TPS Series
Kemet T495 Series
No.
7
5
C Code
C1
C1
C Code
C2
C2
No.
7
5
C Code
C3
C3
1.21 to 2.50
33
*
47
*
L
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| LM2676T-3.3 | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM2676S-12/NOPB | 功能描述:直流/直流開關轉換器 HIGH EFF 3A STEP- DOWN VLTG REG RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
| LM2676S-12/NOPB | 制造商:Texas Instruments 功能描述:DC/DC Converter (DC-DC) / Switching Regu |
| LM2676S-12-NOPB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM2676 SIMPLE SWITCHER?? High Efficiency 3A Step-Down Voltage Regulator |
| LM2676S-3.3 | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
| LM2676S-3.3/NOPB | 功能描述:直流/直流開關轉換器 HIGH EFF 3A STEP- DOWN VLTG REG RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
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