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LT7200SAVPBF データシート(PDF) 11 Page - Analog Devices

部品番号 LT7200SAVPBF
部品情報  Quad 18V, ±5A Synchronous Monolithic Step-Down Regulator
PDF  35 Pages
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
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LT7200SAVPBF データシート(HTML) 11 Page - Analog Devices

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Data Sheet
LT7200S
analog.com
Rev 0
11 of 35
VIN = 12V, VOUT = 1.2V, IOUT = 2.5A
RFB1 = 10KΩ, RFB2 = 14KΩ, COUT = 2 x 47µF
VTRACK/SS= 0.1µF
Figure 16. Start-Up Waveform
VIN = 12V, VOUT = 1.2V, IOUT = 2.5A
RFB1 = 10KΩ, RFB2 = 14KΩ, COUT = 2 x 47µF
VTRACK/SS= 0.1µF
Figure 17. Start-Up Waveform
(with Prebiased Output)
VIN = 12V, VOUT = 1.2V, IOUT = 2.5A
RFB1 = 10KΩ, RFB2 = 14KΩ, COUT = 2 x 47µF
VTRACK/SS= 0.1µF
Figure 18. Output Tracking
Figure 19. Shutdown Current vs SVIN
Figure 20. Active Current vs SVIN
DCM, No Load (CH1-4 ON)
Figure 21. SVIN Current vs Switching Frequency
DCM, No Load (CH1-4 ON)
2ms/DIV
VRUN
2V/DIV
IL
5A/DIV
VPGOOD
5V/DIV
VOUT
1V/DIV
2ms/DIV
VRUN
2V/DIV
IL
5A/DIV
VPGOOD
5V/DIV
VOUT
1V/DIV
500µs/DIV
VTRACK/SS
500mV/DIV
IL
2A/DIV
VOUT
1V/DIV
SVIN (V)
3
6
9
12
15
18
0
10
20
30
40
SVIN (V)
3
6
9
12
15
18
0
9.0
7.5
6.0
4.5
3.0
1.5
SVIN = 5V
FREQUENCY (MHz)
0.5
1.0
1.5
2.0
2.5
3.0
0
20
40
60
80
100
120



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