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LM2743MTC/NOPB датащи(PDF) 8 Page - Texas Instruments

номер детали LM2743MTC/NOPB
подробное описание детали  LM2743 2.2-V to 16-V Input, voltage mode, synchronous buck controller with tracking
PDF  44 Pages
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производитель  TI2 [Texas Instruments]
домашняя страница  https://www.ti.com
Logo TI2 - Texas Instruments

LM2743MTC/NOPB датащи(HTML) 8 Page - Texas Instruments

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2V/div
1V/div
5V/div
100 ns/DIV
LG
SW
HG
2V/div
1V/div
5V/div
100 ns/DIV
HG
SW
LG
0
0.4 0.8 1.2 1.6
2
2.4 2.8 3.2 3.6
4
1.200
1.201
1.202
1.203
1.204
1.205
1.206
1.207
1.208
1.209
1.210
OUTPUT CURRENT (A)
TEMPERATURE (
oC)
-55 -35 -15
85 105 125
5
25
45
65
520
540
560
580
600
620
640
TEMPERATURE (
oC)
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
-40 -25 -10 5
80 95 110 125
20 35 50 65
TEMPERATURE (
oC)
-40 -25 -10 5
80 95 110125
20 35 50 65
23.9
24
24.1
24.2
24.3
24.4
24.5
24.6
24.7
24.8
24.9
8
LM2743
SNVS276I – APRIL 2004 – REVISED FEBRUARY 2019
www.ti.com
Product Folder Links: LM2743
Submit Documentation Feedback
Copyright © 2004–2019, Texas Instruments Incorporated
Typical Characteristics (continued)
fSW = 300 kHz
FDS6898A FET
No-Load
Figure 7. BOOT Pin Current vs Temperature for BOOT
Voltage = 12 V
Figure 8. Internal Reference Voltage vs Temperature
Figure 9. Frequency vs Temperature
Figure 10. Output Voltage vs Output Current
VCC = 3.3 V
VIN = 5 V
VOUT = 1.2 V
IOUT = 4 A
CSS = 12 nF
fSW = 300 kHz
Figure 11. Switch Waveforms (HG Rising)
VCC = 3.3 V
VIN = 5 V
VOUT = 1.2 V
IOUT = 4 A
CSS = 12 nF
fSW = 300 kHz
Figure 12. Switch Waveforms (HG Falling)



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