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MAXM17543 数据表(PDF) 5 Page - Maxim Integrated Products

部件名 MAXM17543
功能描述  Saves Board Space in Space-Constrained Applications
PDF  18 Pages
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制造商  MAXIM [Maxim Integrated Products]
网页  https://www.maximintegrated.com/en.html
标志 MAXIM - Maxim Integrated Products

MAXM17543 数据表(HTML) 5 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.)
40
50
60
70
80
90
100
0
500
1000
1500
2000
2500
OUTPUT CURRENT (mA)
EFFICIENCY vs. OUTPUT CURRENT
VOUT = 0.9V, PWM MODE
toc12
MODE = SGND
VIN = 5V,
fSW = 300kHz
VIN = 12V,
fSW = 300kHz
VIN = 24V,
fSW = 214kHz
40
50
60
70
80
90
100
0
500
1000
1500
2000
2500
OUTPUT CURRENT (mA)
EFFICIENCY vs. OUTPUT CURRENT
VOUT = 1.2V, PFM MODE
toc09
VIN = 5V,
fSW = 350kHz
VIN = 12V,
fSW = 350kHz
VIN = 24V,
fSW = 285kHz
VIN = 36V,
fSW = 200kHz
MODE = OPEN
4.5
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
0
500
1000
1500
2000
2500
OUTPUT CURRENT (mA)
LOAD REGULATION
VOUT = 5V, PFM MODE
toc15
MODE = OPEN
VIN = 24V,
fSW = 740kHz
VIN = 12V,
fSW = 740kHz
VIN = 36V,
fSW = 740kHz
40
50
60
70
80
90
100
0
500
1000
1500
2000
2500
OUTPUT CURRENT (mA)
EFFICIENCY vs. OUTPUT CURRENT
VOUT = 1.2V, PWM MODE
toc10
VIN = 5V,
fSW = 350kHz
VIN = 12V,
fSW = 350kHz
VIN = 24V,
fSW = 285kHz
VIN = 36V,
fSW = 200kHz
MODE = SGND
40
50
60
70
80
90
100
0
500
1000
1500
2000
2500
OUTPUT CURRENT (mA)
EFFICIENCY vs. OUTPUT CURRENT
VOUT = 0.9V, PFM MODE
toc11
MODE = OPEN
VIN = 5V,
fSW = 300kHz
VIN = 12V,
fSW = 300kHz
VIN = 24V,
fSW = 214kHz
4.5
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
0
500
1000
1500
2000
2500
OUTPUT CURRENT (mA)
LOAD REGULATION
VOUT = 5V, PWM MODE
toc16
MODE = SGND
VIN = 12V,
fSW = 740kHz
VIN = 24V,
fSW = 740kHz
VIN = 36V,
fSW = 740kHz
3.0
3.1
3.2
3.3
3.4
3.5
3.6
0
500
1000
1500
2000
2500
OUTPUT CURRENT (mA)
LOAD REGULATION
VOUT = 3.3V, PFM MODE
toc13
MODE = OPEN
VIN = 5.0V
fSW = 500kHz
VIN = 12V
fSW = 500kHz
VIN = 24V
fSW = 500kHz
VIN = 36V
fSW = 500kHz
3.0
3.1
3.2
3.3
3.4
3.5
3.6
0
500
1000
1500
2000
2500
OUTPUT CURRENT (mA)
LOAD REGULATION
VOUT = 3.3V, PWM MODE
toc14
MODE = SGND
VIN = 5.0V
fSW = 500kHz
VIN = 12V
fSW = 500kHz
VIN = 24V
fSW = 500kHz
VIN = 36V
fSW = 500kHz
Maxim Integrated │ 5
www.maximintegrated.com
MAXM17543
4.5V to 42V, 2.5A High-Efficiency, DC-DC Step-Down
Power Module with Integrated Inductor
Typical Operating Characteristics (continued)



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