參數(shù)資料
型號(hào): LM2743
廠(chǎng)商: National Semiconductor Corporation
英文描述: N-Channel FET Synchronous Buck Regulator Controller for Conversion from 3.3V
中文描述: N溝道場(chǎng)效應(yīng)管同步降壓穩(wěn)壓控制器,用于從3.3V轉(zhuǎn)換
文件頁(yè)數(shù): 16/23頁(yè)
文件大?。?/td> 653K
代理商: LM2743
Example Circuits
PART
U
1
PART NUMBER
LM2743
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
4.7μH, 4.8Arms
18m
Coilcraft
C
IN
1
16SP100M
Aluminum
Electrolytic
Aluminum
Electrolytic
Capacitor
100μF, 16V,
2.89Arms
220μF, 6.3V
3.1Arms
0.1μF, 10%
Sanyo
C
O
1
6SP220M
Sanyo
C
CC
, C
BOOT,
C
IN
2, C
O
2
C
C3
C
SS
C
C2
C
C1
VJ1206Y104KXXA
1206
Vishay
VJ805Y332KXXA
VJ0805Y123KXXA
VJ1805A821KXAA
VJ0805A220KXAA
Capacitor
Capacitor
Capacitor
Capacitor
805
805
805
805
3300pF, 10%
12nF, 10%
820pF 10%
22pF, 10%
Vishay
Vishay
Vishay
Vishay
R
FB2
R
FB1
R
FADJ
R
C2
R
CS
R
CC
R
C1
R
PULL-UP
CRCW08051002F
CRCW08054991F
CRCW08051103F
CRCW08052101F
CRCW08057500F
CRCW080510R0F
CRCW08055492F
CRCW08051003J
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
805
805
805
805
805
805
805
805
10.0k
1%
4.99k
1%
110k
1%
2.1k
1%
750
1%
10.0
1%
54.9k
1%
100k
5%
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
20095232
FIGURE 12. 3.3V to 1.8V
@
2A, F
SW
= 300kHz
L
www.national.com
16
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LM2743MTC/NOPB 功能描述:DC/DC 開(kāi)關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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(fēng)格: 封裝 / 箱體:CPAK