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參數(shù)資料
| 型號： | LM2744 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller with External Reference |
| 中文描述： | 低壓N溝道MOSFET同步降壓穩(wěn)壓控制器與外部參考 |
| 文件頁數(shù)： | 20/22頁 |
| 文件大?。?/td> | 663K |
| 代理商： | LM2744 |
Example Circuits
PART
U
1
PART NUMBER
LM2744
TYPE
Synchronous
Controller
Dual N-MOSFET
PACKAGE
TSSOP-14
DESCRIPTION
VENDOR
NSC
Q
1
FDS6898A
SO-8
20V, 10m
@
4.5V,
16nC
Fairchild
D
1
L
1
MBR0520LTI
DO3316P-472
Schottky Diode
Inductor
SOD-123
12.95 x 9.4 x
5.21mm
10.0mm x 5.0mm
4.7μH, 4.8Arms
18m
100μF, 16V,
2.89Arms
220μF, 6.3V
3.1Arms
0.1μF, 10%
Coilcraft
C
IN
1
16SP100M
Aluminum
Electrolytic
Aluminum
Electrolytic
Capacitor
Sanyo
C
O
1
6SP220M
10.0mm x 5.0mm
Sanyo
C
BOOT,
C
IN
2,
C
O
2
C
CC
C
C3
C
SS
C
C2
C
C1
R
FB2
R
FB1
R
FADJ
R
C2
R
CS
R
CC
R
C1
R
PULL-UP
VJ0805Y104KXXA
0805
Vishay
VJ0805M104MXQ
VJ0805Y332KXXA
VJ0805A123KXAA
VJ0805Y122KXXA
VJ0805A270KXAA
CRCW08051002F
CRCW08055761F
CRCW08051103F
CRCW08052101F
CRCW08057870F
CRCW080510R0F
CRCW08053832F
CRCW08051003J
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
0805
0805
0805
0805
0805
0805
0805
0805
0805
0805
0805
0805
0805
1μF, 20%
3300pF, 10%
12nF, 10%
1200pF 10%
27pF, 10%
10.0k
1%
5.76k
1%
110k
1%
2.1k
1%
787
1%
10.0
1%
38.3k
1%
100k
5%
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
20106032
FIGURE 15. 5V to 3.3V
@
2A, V
REF
= 1.2V, F
SW
= 300kHz
L
www.national.com
20
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| LM2744EVAL | 功能描述:電源管理IC開發(fā)工具 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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| LM2744MTC/NOPB | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| LM2744MTCX | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| LM2744MTCX/NOPB | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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