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MAX5025 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part No. MAX5025
Description  500kHz, 36V Output, SOT23, PWM Step-Up DC-DC Converters
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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 4 page
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500kHz, 36V Output, SOT23, PWM Step-Up
DC-DC Converters
4
_______________________________________________________________________________________
0
20
10
40
30
50
60
80
70
90
02
4
6
8
10
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
(VOUT = 12V)
MAX5026
VCC = 5V,
VOUT = 12V
CIRCUIT OF FIGURE 2.
R1 = 147k
Ω, R2 = 16.2kΩ
0
20
10
50
40
30
80
70
60
90
04
26
8
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
(VOUT = 15V)
MAX5026
VCC = 5V,
VOUT = 12V
CIRCUIT OF FIGURE 2.
R1 = 147k
Ω, R2 = 13kΩ
0
20
10
30
60
70
50
40
80
01
2
3
45
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
(VOUT = 24V)
MAX5026
VCC = 5V,
VOUT = 24V
CIRCUIT OF FIGURE 2.
R1 = 147k
Ω, R2 = 8.07kΩ
0
10
30
20
50
60
40
70
01234
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
(VOUT = 30V)
MAX5026
VCC = 5V,
VOUT = 30V
CIRCUIT OF FIGURE 2.
R1 = 147k
Ω, R2 = 6.34kΩ
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
01234
LOAD CURRENT (mA)
MAX5026 MINIMUM STARTUP VOLTAGE
vs. LOAD CURRENT
0
150
100
50
200
250
300
350
400
450
500
0369
12
SUPPLY VOLTAGE (V)
MAX5026/MAX5028
SUPPLY CURRENT vs. SUPPLY VOLTAGE
CURRENT INTO VCC PIN
DEVICE NOT SWITCHING
0
2
4
6
8
10
12
14
16
3579
11
SUPPLY VOLTAGE (V)
MAX5026
NO LOAD SUPPLY CURRENT
vs. SUPPLY VOLTAGE
CIRCUIT OF FIGURE 2
VOUT = 30V
150
350
250
550
450
750
650
850
-40
0
20
-20
406080
SUPPLY CURRENT vs. TEMPERATURE
TEMPERATURE (
°C)
CURRENT INTO VCC PIN
VCC = 11V
VCC = 9V
VCC = 7V
VCC = 5V
VCC = 3V
200
300
250
450
400
350
600
550
500
650
-40
0
20
-20
40
60
80
TEMPERATURE (
°C)
MAX5026
SWITCHING FREQUENCY vs. TEMPERATURE
VCC = 5V
VOUT = 30V
CIRCUIT OF FIGURE 2.
Typical Operating Characteristics
(VCC = 5V, VOUT = 30V, TA = +25°C, unless otherwise noted.)




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