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MAXM17543 Datasheet(PDF) 10 Page - Maxim Integrated Products

Part # MAXM17543
Description  4.5V to 42V, 2.5A High-Efficiency, DC-DC Step- Down Power Module with Integrated Inductor
PDF  20 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAXM17543 Datasheet(HTML) 10 Page - Maxim Integrated Products

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(VIN = 4.5V to 42V, VOUT = 0.9 to 12V, IOUT = 0A–2.5A, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics (continued)
STARTUP THROUGH INPUT SUPPLY
VIN = 24V, VOUT = 5V, IOUT = 2.5A,
MODE = SGND
2V/div
toc37
1ms/div
LX
VOUT
5V/div
VIN
RESET
20V/div
10V/div
SHUTDOWN THROUGH INPUT SUPPLY
VIN = 24V, VOUT = 5V, IOUT = 2.5A,
MODE = SGND
2V/div
toc38
100µs/div
LX
VOUT
5V/div
VIN
RESET
20V/div
10V/div
OUTPUT SHORT IN STEADY STATE
VIN = 24V, VOUT = 3.3V, IOUT = 0A to SHORT
MODE = SGND
2V/div
toc39
40ms/div
LX
VOUT
10A/div
VIN
IOUT
20V/div
20V/div
OUTPUT SHORT DURING STARTUP
VIN = 24V, VOUT = 3.3V, IOUT = SHORT,
MODE = SGND
2V/div
toc40
40ms/div
LX
VOUT
10A/div
VIN
IOUT
20V/div
20V/div
SYNC FREQUENCY AT 740 KHZ
VIN = 24V, VOUT = 5V, IOUT = 0A, MODE = GND
2V/div
toc41
2µs/div
LX
VOUT
SYNC
20V/div
5V/div
-150
-120
-90
-60
-30
0
30
60
90
120
150
1k
10k
100k
1Meg
-50
-40
-30
-20
-10
0
10
20
30
40
50
FREQUENCY (Hz)
CLOSED-LOOP BODE PLOT
VIN = 24V, VOUT = 3.3V, IOUT = 2.5A,
MODE = SGND
GAIN
toc42
PHASE
CROSSOVER
FREQUENCY = 54.9 kHz
PHASE MARGIN = 53.3°
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0 10 20 30 40 50 60 70 80 90 100110120
AMBIENT TEMPERATURE (
°C)
OUTPUT CURRENT vs.
AMBIENT TEMPERATURE
VIN = 24V NO AIR FLOW
toc43
VOUT = 3.3V
VOUT = 5V
VOUT = 12V
TUVRheinland
MaximIC_MAXM17503
RE 30MHz-1GHz
30.0M
100.0M
1.0G
Frequency(Hz)
-10.0
0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
12:04:29AM,Tuesday,April17,2018
RE 30MHz-1GHz_0-360deg_90degstep_1-4mtr Height_Quickscan_PI65_Test8.TIL
Final_ScanV
Final_ScanH
Limit
toc45
FREQUENCY (MHz)
100
1000
30
40
30
10
50
20
0
CONDITION : VIN = 24V, VOUT = 5V, IOUT = 2.5A
RADIATED EMISSION PLOT
C4 = C14 = OPEN, L1 = SHORT
C7 = 220pF, C17 = C18 = 150pF
CISPR-22 CLASS B QP LIMIT
VERTICAL
SCAN
HORIZONTAL
SCAN
60
Maxim Integrated │ 10
www.maximintegrated.com
MAXM17543
4.5V to 42V, 2.5A High-Efficiency, DC-DC Step-Down
Power Module with Integrated Inductor



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