MAX761C/D MAXIM [Maxim Integrated Products], MAX761C/D Datasheet - Page 4

• Manufacturer Part Number: MAX761C/D
• Description: 12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters
• Manufacturer: MAXIM [Maxim Integrated Products]

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