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MAX17543 数据表(PDF) 5 Page - Maxim Integrated Products

部件名 MAX17543
功能描述  Synchronous Step-Down DC-DC Converter
PDF  19 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

MAX17543 数据表(HTML) 5 Page - Maxim Integrated Products

  MAX17543 Datasheet HTML 1Page - Maxim Integrated Products MAX17543 Datasheet HTML 2Page - Maxim Integrated Products MAX17543 Datasheet HTML 3Page - Maxim Integrated Products MAX17543 Datasheet HTML 4Page - Maxim Integrated Products MAX17543 Datasheet HTML 5Page - Maxim Integrated Products MAX17543 Datasheet HTML 6Page - Maxim Integrated Products MAX17543 Datasheet HTML 7Page - Maxim Integrated Products MAX17543 Datasheet HTML 8Page - Maxim Integrated Products MAX17543 Datasheet HTML 9Page - Maxim Integrated Products Next Button
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(VIN = VEN/UVLO = 24V, VPGND = VSGND = 0V, CVIN = CVCC = 2.2µF, CBST = 0.1µF, CSS = 5600pF, RT = MODE = open, TA = TJ = -40°C
to +125°C, unless otherwise noted. Typical values are at TA = +25°C. All voltages are referenced to GND, unless otherwise noted.)
40
50
60
70
80
90
100
0
500
1000
1500
2000
2500
LOAD CURRENT (mA)
5V OUTPUT, PWM MODE,
I
FIGURE 4a C RCUIT,
EFFICIENCY VS. LOAD CURRENT
VIN = 36V
VIN = 24V
VIN =12V
MODE = SGND
TOC01
40
50
60
70
80
90
100
0
500
1000
1500
2000
2500
LOAD CURRENT (mA)
3.3V OUTPUT, PWM MODE,
EFFICIENCY VS. LOAD CURRENT
VIN = 36V
VIN = 24V
VIN = 12V
MODE = SGND
TOC02
FIGURE 4b C RCUIT,
I
30
40
50
60
70
80
90
100
1
10
100
1000
LOAD CURRENT (mA)
5V OUTPUT, PFM MODE,
EFFICIENCY VS. LOAD CURRENT
VIN = 36V
VIN = 24V
VIN = 12V
MODE = OPEN
2500
TOC03
FIGURE 4a C RCUIT,
I
30
40
50
60
70
80
90
100
1
10
100
1000
LOAD CURRENT (mA)
3.3V OUTPUT, PFM MODE,
FIGURE 4 CIRCUIT,
EFFICIENCY VS. LOAD CURRENT
VIN = 36V
VIN = 24V
VIN = 12V
MODE = OPEN
2500
TOC04
FIGURE 4b C RCUIT,
I
30
40
50
60
70
80
90
100
1
10
100
1000
LOAD CURRENT (mA)
5V OUTPUT, DCM MODE,
FIGURE 3 CIRCUIT,
EFFICIENCY VS. LOAD CURRENT
VIN = 36V
VIN = 24V
VIN = 12V
MODE = VCC
FIGURE 4a C RCUIT,
I
30
40
50
60
70
80
90
100
1
10
100
1000
LOAD CURRENT (mA)
3.3V OUTPUT, DCM MODE,
FIGURE 4 CIRCUIT,
EFFICIENCY VS. LOAD CURRENT
VIN = 36V
VIN = 24V
VIN = 12V
MODE = VCC
FIGURE 4b C RCUIT,
I
4.95
4.96
4.97
4.98
4.99
5
5.01
5.02
5.03
5.04
5.05
0
500
1000
1500
2000
2500
LOAD CURRENT (mA)
5V OUTPUT, PWM MODE,
FIGURE 3 CIRCUIT,
LOAD AND LINE REGULATION
VIN = 36V
VIN = 24V
VIN = 12V
TOC07
FIGURE 4a C RCUIT,
I
3.25
3.26
3.27
3.28
3.29
3.3
3.31
3.32
3.33
3.34
3.35
0
500
1000
1500
2000
2500
LOAD CURRENT (mA)
3.3V OUTPUT, PWM MODE,
FIGURE 4b CIRCUIT,
LOAD AND LINE REGULATION
VIN = 36V
VIN = 24V
VIN = 12V
TOC08
4.5
4.6
4.7
4.8
4.9
5
5.1
5.2
5.3
5.4
5.5
0
500
1000
1500
2000
2500
LOAD CURRENT (mA)
5V OUTPUT, PFM MODE,
FIGURE 3 CIRCUIT,
LOAD AND LINE REGULATION
VIN = 36V
VIN = 24V
VIN = 12V
TOC09
FIGURE 4a C RCUIT,
I
Maxim Integrated │ 5
www.maximintegrated.com
MAX17543
4.5V–42V, 2.5A, High-Efficiency,
Synchronous Step-Down DC-DC Converter
with Internal Compensation
Typical Operating Characteristics



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