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參數資料
| 型號： | LM20133MH |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3A, PowerWise㈢ Synchronous Buck Regulator with Input Synchronization |
| 中文描述： | 5.7 A SWITCHING REGULATOR, 460 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | TSSOP-16 |
| 文件頁數： | 19/22頁 |
| 文件大小： | 618K |
| 代理商： | LM20133MH |
Typical Application Circuits
This section provides several application solutions with a bill
of materials. All bill of materials reference the below figure.
The compensation for these solutions were optimized to work
over a wide range of input and output voltages; if a faster
transient response is needed reduce the value of C
and
calculate the new value for R
C1
as outline in the design guide.
30030301
FIGURE 11.
Bill of Materials (V
IN
= 5V, V
OUT
= 3.3V, I
OUTMAX
= 3A, F
SYNC
= 750kHz)
Designator
U1
C
IN
C
OUT
L
Description
Part Number
LM20133
GRM32ER60J476ME20
Manufacturer
National Semiconductor
Murata
Qty
1
1
Synchronous Buck Regulator
47 μF, 1210, X5R, 6.3V
47 μF, 1210, X5R, 6.3V
2.5 μH, 10m
1, 0603
100 nF, 0603, X7R, 16V
GRM32ER60J476ME20
Murata
1
MSS1038-252NL
Coilcraft
1
R
F
C
F
C
VCC
R
C1
C
C1
C
SS
R
FB1
R
FB2
CRCW06031R0J-e3
Vishay-Dale
1
GRM188R71C104KA01
Murata
1
1 μF, 0603, X5R, 6.3V
4.99 k
, 0603
3.3 nF, 0603, X7R, 25V
GRM188R60J105KA01
Murata
1
CRCW06034991F-e3
Vishay-Dale
1
VJ0603Y332KXXA
Vishay-Vitramon
1
33 nF, 0603, X7R, 25V
31.6 k
, 0603
10.2 k
, 0603
VJ0603Y333KXXA
Vishay-Vitramon
1
CRCW06033162F-e3
Vishay-Dale
1
CRCW06031022F-e3
Vishay-Dale
1
Bill of Materials (V
IN
= 3.3V or 5V, V
OUT
= 1.2V, I
OUTMAX
= 3A, F
SYNC
= 750kHz)
Designator
U1
C
IN
C
OUT
L
Description
Part Number
LM20133
GRM32ER60J476ME20
Manufacturer
National Semiconductor
Murata
Qty
1
1
Synchronous Buck Regulator
47 μF, 1210, X5R, 6.3V
47 μF, 1210, X5R, 6.3V
2.5 μH, 10m
1, 0603
100 nF, 0603, X7R, 16V
GRM32ER60J476ME20
Murata
1
MSS1038-252NL
Coilcraft
1
R
F
C
F
C
VCC
R
C1
C
C1
C
SS
R
FB1
R
FB2
CRCW06031R0J-e3
Vishay-Dale
1
GRM188R71C104KA01
Murata
1
1 μF, 0603, X5R, 6.3V
2 k
, 0603
4.7 nF, 0603, X7R, 25V
GRM188R60J105KA01
Murata
1
CRCW06032001F-e3
Vishay-Dale
1
VJ0603Y472KXXA
Vishay-Vitramon
1
33 nF, 0603, X7R, 25V
4.99 k
, 0603
10 k
, 0603
VJ0603Y333KXXA
Vishay-Vitramon
1
CRCW06034991F-e3
Vishay-Dale
1
CRCW06031002F-e3
Vishay-Dale
1
19
www.national.com
L
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM20133MH/NOPB | 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 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| LM20133MHE | 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Down 2.95V to 5.5V 16-Pin TSSOP EP T/R |
| LM20133MHE/NOPB | 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 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| LM20133MHX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3A, PowerWise㈢ Synchronous Buck Regulator with Input Synchronization |
| LM20133MHX/NOPB | 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 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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