Datasheet

MAX8614A/MAX8614B
Dual-Output (+ and -) DC-DC
Converters for CCD
5
Maxim Integrated
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
MAXIMUM OUTPUT CURRENT (mA)
MAX8614A/B toc01
2.5 3.0 3.5 4.0 4.5 5.0 5.5
0
50
100
150
200
250
300
350
V
OUT
= 20V
V
OUT
= 15V
V
OUT
= 10V
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
MAXIMUM OUTPUT CURRENT (mA) .
MAX8614A/B toc02
2.5 3.0 3.5 4.0 4.5 5.0 5.5
0
50
100
150
200
250
300
V
INV
= -10V
V
INV
= -7.5V
V
INV
= -5V
POSITIVE OUTPUT EFFICIENCY
vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
EFFICIENCY (%)
MAX8614A/B toc03
0.1 1 10 100
L = 2.2μH, C = 2.2μF
0
10
20
30
40
50
60
70
80
90
100
V
CC
= 3V
V
CC
= 3.6V
V
CC
= 4.2V
V
CC
= 5V
POSITIVE OUTPUT EFFICIENCY
vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
EFFICIENCY (%)
MAX8614A/B toc04
0
10
20
30
40
50
60
70
80
90
100
0.1 1 10 100
L = 10μH, C = 10μF
V
CC
= 3V
V
CC
= 3.6V
V
CC
= 4.2V
V
CC
= 5V
NEGATIVE OUTPUT EFFICIENCY
vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
EFFICIENCY (%)
MAX8614A/B toc05
0
10
20
30
40
50
60
70
80
90
100
0.1 1 10 100
L = 4.7μH, C = 4.7μF
V
CC
= 3V
V
CC
= 3.6V
V
CC
= 4.2V
V
CC
= 5V
NEGATIVE OUTPUT EFFICIENCY
vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
EFFICIENCY (%)
MAX8614A/B toc06
0
10
20
30
40
50
60
70
80
90
100
0.1 1 10 100
L = 10μH, C = 10μF
V
CC
= 3V
V
CC
= 3.6V
V
CC
= 4.2V
V
CC
= 5V
OUTPUT EFFICIENCY
vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
EFFICIENCY (%)
MAX8614A/B toc07
0
10
20
30
40
50
60
70
80
90
100
0.1 1 10 100
BOTH OUTPUTS LOADED EQUALLY
L1 = 2.2μH, C1 = 2.2μF, L2 = 4.7μH, C2 = 4.7μF
V
CC
= 3V
V
CC
= 3.6V
V
CC
= 4.2V
V
CC
= 5V
OUTPUT EFFICIENCY
vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
EFFICIENCY (%)
MAX8614A/B toc08
0
10
20
30
40
50
60
70
80
90
100
0.1 1 10 100 1000
BOTH OUTPUTS LOADED EQUALLY
L1 = 10μH, C1 = 10μF, L2 = 10μH, C2 = 10μF
V
CC
= 3V
V
CC
= 3.6V
V
CC
= 4.2V
V
CC
= 5V
Typical Operating Characteristics
(T
A
= +25°C, V
CC
= V
AVCC
= 3.6V, SEQ = GND, Figure 1, unless otherwise noted.)