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MAX8545 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX8545
Description  Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit
PDF  18 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX8545 Datasheet(HTML) 4 Page - Maxim Integrated Products

  MAX8545 Datasheet HTML 1Page - Maxim Integrated Products MAX8545 Datasheet HTML 2Page - Maxim Integrated Products MAX8545 Datasheet HTML 3Page - Maxim Integrated Products MAX8545 Datasheet HTML 4Page - Maxim Integrated Products MAX8545 Datasheet HTML 5Page - Maxim Integrated Products MAX8545 Datasheet HTML 6Page - Maxim Integrated Products MAX8545 Datasheet HTML 7Page - Maxim Integrated Products MAX8545 Datasheet HTML 8Page - Maxim Integrated Products MAX8545 Datasheet HTML 9Page - Maxim Integrated Products Next Button
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Low-Cost, Wide Input Range, Step-Down
Controllers with Foldback Current Limit
4
_______________________________________________________________________________________
Typical Operating Characteristics
(VIN = VL = VCC = 5V, typical values are at TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
LOAD CURRENT (A)
(CIRCUIT OF FIGURE 1; TABLE 1a)
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
VIN = 3.3V
VOUT = 1.2V
EFFICIENCY vs. LOAD CURRENT
LOAD CURRENT (A)
(CIRCUIT OF FIGURE 1; TABLE 1a)
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
VIN = 5V
VOUT = 1.8V
VOUT = 3.3V
EFFICIENCY vs. LOAD CURRENT
LOAD CURRENT (A)
(CIRCUIT OF FIGURE 2; TABLE 2a)
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
VOUT = 1.8V
VOUT = 3.3V
VIN = 12V
EFFICIENCY vs. LOAD CURRENT
LOAD CURRENT (A)
(CIRCUIT OF FIGURE 2; TABLE 2a)
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
VIN = 17V
VOUT = 3.3V
VOUT = 1.8V
EFFICIENCY vs. LOAD CURRENT
LOAD CURRENT (A)
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
VOUT = 1.8V
VOUT = 1.2V
VIN = 3.3V
(CIRCUIT OF FIGURE 1; TABLE 1b)
EFFICIENCY vs. LOAD CURRENT
LOAD CURRENT (A)
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
VOUT = 3.3V
VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.2V
VIN = 5V
(CIRCUIT OF FIGURE 1; TABLE 1b)
EFFICIENCY vs. LOAD CURRENT
LOAD CURRENT (A)
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
VOUT = 3.3V
VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.2V
VIN = 12V
(CIRCUIT OF FIGURE 2; TABLE 2b)
EFFICIENCY vs. LOAD CURRENT
LOAD CURRENT (A)
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
VOUT = 3.3V
VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.2V
VIN = 17V
(CIRCUIT OF FIGURE 2; TABLE 2b)
CHANGE IN OUTPUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (A)
5
4
3
2
2.485
2.490
2.495
2.500
2.505
2.510
2.515
2.520
2.480
16
VOUT = 2.5V
VIN = 12V



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