參數(shù)資料
型號： LM20154MHX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 4A, 1MHz PowerWise㈢ Synchronous Buck Regulator with SYNCOUT
中文描述： 6.6 A SWITCHING REGULATOR, 1150 kHz SWITCHING FREQ-MAX, PDSO16
封裝： TSSOP-16
文件頁數(shù)： 19/22頁
文件大?。?/td> 631K
代理商： LM20154MHX
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.
30030801
FIGURE 11.
Bill of Materials (V
IN
= 5V, V
OUT
= 3.3V, I
OUTMAX
= 4A)
Designator
U1
C
IN
C
OUT
L
Description
Part Number
LM20154
GRM32ER60J107ME20
Manufacturer
National Semiconductor
Murata
Qty
1
1
Synchronous Buck Regulator
100 μF, 1210, X5R, 6.3V
100 μF, 1210, X5R, 6.3V
1 μH, 6 m
1, 0603
100 nF, 0603, X7R, 16V
GRM32ER60J107ME20
Murata
1
MSS1038-102NL
Coilcraft
1
R
F
C
F
C
VCC
R
C1
C
C1
C
SS
R
FB1
R
FB2
R
S
CRCW06031R0J-e3
Vishay-Dale
1
GRM188R71C104KA01
Murata
1
1 μF, 0603, X5R, 6.3V
7.87 k
, 0603
2.2 nF, 0603, X7R, 25V
GRM188R60J105KA01
Murata
1
CRCW06037871F-e3
Vishay-Dale
1
VJ0603Y242KXXA
Vishay-Vitramon
1
33 nF, 0603, X7R, 25V
31.6 k
, 0603
10.2 k
, 0603
3.24 k
, 0603
VJ0603Y333KXXA
Vishay-Vitramon
1
CRCW06033162F-e3
Vishay-Dale
1
CRCW06031022F-e3
Vishay-Dale
1
CRCW06033241F-e3
Vishay-Dale
1
Bill of Materials (V
IN
= 3.3V to 5V, V
OUT
= 1.2V, I
OUTMAX
= 4A)
Designator
U1
C
IN
C
OUT
L
Description
Part Number
LM20154
GRM32ER60J107ME20
Manufacturer
National Semiconductor
Murata
Qty
1
1
Synchronous Buck Regulator
100 μF, 1210, X5R, 6.3V
100 μF, 1210, X5R, 6.3V
1 μH, 6 m
1, 0603
100 nF, 0603, X7R, 16V
GRM32ER60J107ME20
Murata
1
MSS1038-102NL
Coilcraft
1
R
F
C
F
C
VCC
R
C1
C
C1
C
SS
R
FB1
R
FB2
R
S
CRCW06031R0J-e3
Vishay-Dale
1
GRM188R71C104KA01
Murata
1
1 μF, 0603, X5R, 6.3V
3.57 k
, 0603
3.3 nF, 0603, X7R, 25V
GRM188R60J105KA01
Murata
1
CRCW06033571F-e3
Vishay-Dale
1
VJ0603Y332KXXA
Vishay-Vitramon
1
33 nF, 0603, X7R, 25V
4.99 k
, 0603
10 k
, 0603
3.24 k
, 0603
VJ0603Y333KXXA
Vishay-Vitramon
1
CRCW06034991F-e3
Vishay-Dale
1
CRCW06031002F-e3
Vishay-Dale
1
CRCW06033241F-e3
Vishay-Dale
1
19
www.national.com
L
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相關代理商/技術參數(shù)
參數(shù)描述
LM20154MHX/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(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
LM201A 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SINGLE OPERATIONAL AMPLIFIER
LM201AD 功能描述:運算放大器 - 運放 Gain Band-w 3.5MHz Dissipation 300mW RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
LM201ADG 功能描述:運算放大器 - 運放 Precision Single Chnl -25 to 85deg C RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
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