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MAX761 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part No. MAX761
Description  12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX761 Datasheet(HTML) 4 Page - Maxim Integrated Products

 
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12V/15V or Adjustable, High-Efficiency,
Low IQ, Step-Up DC-DC Converters
4
_______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(Circuit of Figure 2, TA = +25°C, unless otherwise noted.)
100
0
0.1
10
1000
EFFICIENCY vs. OUTPUT CURRENT
BOOTSTRAPPED
20
OUTPUT CURRENT (mA)
40
60
80
1
100
VIN = 10V
10
30
50
70
90
VIN = 5V
VIN = 2V
VOUT = 12V
100
0
0.1
10
1000
EFFICIENCY vs. OUTPUT CURRENT
NON-BOOTSTRAPPED
20
OUTPUT CURRENT (mA)
40
60
80
1
100
VIN = 10V
10
30
50
70
90
VIN = 5V
VOUT = 12V
2.00
0
01
3
6
QUIESCENT CURRENT vs.
INPUT VOLTAGE
0.50
1.50
INPUT VOLTAGE (V)
24
1.00
5
1.75
0.25
1.25
0.75
0.5
1.5
3.5
2.5
4.5
5.5
VOUT = 12V
BOOTSTRAPPED
(INTERNAL RESISTORS)
BOOTSTRAPPED
(EXTERNAL RESISTORS)
NON-BOOTSTRAPPED
400
0
3.0
6.0
MAXIMUM OUTPUT CURRENT vs.
INPUT VOLTAGE
100
300
SUPPLY VOLTAGE (V)
4.0
200
5.0
350
50
250
150
3.5
4.5
5.5
NON-BOOTSTRAPPED
BOOTSTRAPPED
VOUT = 12V
3.5
0.5
-60
-20
60
140
NO-LOAD START-UP VOLTAGE
1.0
3.0
TEMPERATURE (
°C)
20
100
2.0
-40
0
80
40
120
1.5
2.5
VOUT = 12V
BOOTSTRAPPED
(INTERNAL RESISTORS)
BOOTSTRAPPED
(EXTERNAL RESISTORS)
NON-BOOTSTRAPPED
(EXTERNAL RESISTORS)
250
0
-60
-20
60
140
REFERENCE OUTPUT RESISTANCE vs.
TEMPERATURE
50
TEMPERATURE (
°C)
20
100
150
-40
0
80
40
120
100
200
100µA
50µA
10µA
1.502
-60
-20
60
140
REFERENCE vs.TEMPERATURE
COEFFICIENT
TEMPERATURE (
°C)
20
100
-40
0
80
40
120
1.500
1.498
1.496
1.494
1.492
1.504
1.506
2.2
1.3
0.1
10
1000
MAX761
START-UP VOLTAGE vs. RLOAD
RLOAD (kΩ)
1.4
1.5
1.6
1.7
2.1
2.0
1.8
1.9
1
100
VOUT = 12V
BOOTSTRAPPED
INTERNAL RESISTORS
1.6
0.4
-60
-20
60
140
LX ON-RESISTANCE vs.
TEMPERATURE
0.6
1.4
TEMPERATURE (
°C)
20
100
1.0
-40
0
80
40
120
0.8
1.2
V+ = 12V
V+ = 5V


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