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MAX17543 датащи(PDF) 9 Page - Maxim Integrated Products

номер детали MAX17543
подробное описание детали  4.5V??2V, 2.5A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation
PDF  19 Pages
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производитель  MAXIM [Maxim Integrated Products]
домашняя страница  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX17543 датащи(HTML) 9 Page - Maxim Integrated Products

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(VIN = VEN/UVLO = 24V, VPGND = VSGND = 0V, CVIN = CVCC = 2.2µF, CBST = 0.1µF, CSS = 5600pF, RT = MODE = open, TA = -40°C to
+125°C, unless otherwise noted. Typical values are at TA = +25°C. All voltages are referenced to GND, unless otherwise noted.)
Typical Operating Characteristics (continued)
5V OUTPUT, OVERLOAD PROTECTION,
FIGURE 4a CIRCUIT
MAX17543 toc30
IOUT
1A/div
VOUT
500mV/div
20ms/div
5V OUTPUT, 2.5A LOAD CURRENT
BODE PLOT, FIGURE 4a CIRCUIT
FREQUENCY (Hz)
10k
-30
-20
-10
0
10
20
30
40
50
-40
-60
-40
-20
0
20
40
60
80
100
-80
1k
2
4 6 8 1
2
4 6 8 1
2
100k
MAX17543 toc32
CROSSOVER
FREQUENCY = 58.2kHz
PHASE MARGIN = 63.4°
GAIN
PHASE
-50
-100
MAX17543, 5V OUTPUT, 2.5A LOAD CURRENT
,
FIGURE 4a CIRCUIT, CONDUCTED EMI CURVE
0.15
1
10
30
AVERAGE
EMISSIONS
PEAK
EMISSIONS
FREQUENCY (MHz)
10
20
30
40
50
60
70
QUASI-PEAK LIMIT
AVERAGE LIMIT
5V OUTPUT, APPLICATION OF
EXTERNAL CLOCK AT 700kHz,
FIGURE 4a CIRCUIT
MAX17543 toc31
VSYNC
2V/div
VLX
10V/div
2µs/div
MODE = SGND
5V OUTPUT, 2.5A LOAD CURRENT
BODE PLOT, FIGURE 4b CIRCUIT
FREQUENCY (Hz)
10k
-30
-20
-10
0
10
20
30
40
50
-40
-60
-40
-20
0
20
40
60
80
100
-80
1k
2
4 6 8 1
2
4 6 8 1
2
100k
MAX17543 toc33
CROSSOVER
FREQUENCY = 62.5kHz
PHASE MARGIN = 61.2°
GAIN
PHASE
60
120
Measured on the MAX17543EVKITB with input filter – CIN = 4.7µF,
LIN = 10µH, the input capacitor for the MAX17543: 4.7µF.
Maxim Integrated │ 9
www.maximintegrated.com
MAX17543
4.5V–42V, 2.5A, High-Efficiency,
Synchronous Step-Down DC-DC Converter
with Internal Compensation



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