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LM2743 датащи(PDF) 21 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
номер детали LM2743
подробное описание детали  N-Channel FET Synchronous Buck Regulator Controller for Conversion from 3.3V
PDF  23 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2743 датащи(HTML) 21 Page - National Semiconductor (TI)

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Example Circuits (Continued)
PART
PART NUMBER
TYPE
PACKAGE
DESCRIPTION
VENDOR
U1
LM2743
Synchronous
Controller
TSSOP-14
NSC
Q1
FDS6898A
Dual N-MOSFET
SO-8
20V, 10m
Ω@ 4.5V,
16nC
Fairchild
D1
MBR0520LTI
Schottky Diode
SOD-123
L1
DO3316P-682
Inductor
6.8µH, 4.4Arms, 27m
Ω
Coilcraft
C
IN1
16SP100M
Aluminum
Electrolytic
10mm x 6mm
100µF, 16V, 2.89Arms
Sanyo
C
O1
10SP56M
Aluminum
Electrolytic
6.3mm x 6mm
56µF, 10V 1.7Arms
Sanyo
C
CC,CBOOT,
C
IN2, CO2
VJ1206Y104KXXA
Capacitor
1206
0.1µF, 10%
Vishay
C
C3
VJ0805Y182KXXA
Capacitor
805
1800pF, 10%
Vishay
C
SS
VJ0805A123KXAA
Capacitor
805
12nF, 10%
Vishay
C
C2
VJ0805A821KXAA
Capacitor
805
820pF 10%
Vishay
C
C1
VJ0805A330KXAA
Capacitor
805
33pF, 10%
Vishay
R
FB2
CRCW08051002F
Resistor
805
10.0k
Ω 1%
Vishay
R
FB1
CRCW08053161F
Resistor
805
3.16k
Ω 1%
Vishay
R
FADJ
CRCW08051103F
Resistor
805
110k
Ω 1%
Vishay
R
C2
CRCW08051301F
Resistor
805
1.3k
Ω 1%
Vishay
R
CS
CRCW08057870F
Resistor
805
787
Ω 1%
Vishay
R
CC
CRCW080510R0F
Resistor
805
10.0
Ω 1%
Vishay
R
C1
CRCW08053322F
Resistor
805
33.2k
Ω 1%
Vishay
R
PULL-UP
CRCW08051003J
Resistor
805
100k
Ω 5%
Vishay
20095233
FIGURE 16. 5V to 2.5V @ 2A, F
SW = 300kHz
www.national.com
21



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