ACT6390/ACT6391
Rev0, 13-May-08
TYPICAL PERFORMANCE CHARACTERISTICS
(V
IN
= V
EN
= 3.3V, FREQ = G, T
A
= 25°C, unless otherwise specified.)
ACT6390 Efficiency vs. Output Current
95
90
85
V
IN
= 3.3V
V
OUT
= 5V
FREQ = IN
L = 2.7µH
FREQ = G
L = 5.4µH
95
90
85
ACT6390-001
ACT6390 Efficiency vs. Output Current
ACT6390-002
V
IN
= 5V
V
OUT
= 12V
FREQ = G
L = 10µH
FREQ = IN
L = 5.4µH
Efficiency (%)
80
75
70
65
60
55
50
0
10
Efficiency (%)
80
75
70
65
60
55
50
100
1000
0
10
100
1000
Output Current (mA)
Output Current (mA)
ACT6390 Efficiency vs. Output Current
95
90
85
V
IN
= 3.3V
V
OUT
= 12V
0.40
ACT6390-003
ACT6390 No Load Supply Current vs. V
IN
ACT6390-004
Supply Current (mA)
0.36
Efficiency (%)
80
75
70
65
60
55
50
0
FREQ = G
L = 10µH
FREQ = IN
L = 5.4µH
FREQ = IN
L = 5.4µH
0.32
0.28
FREQ = G
L = 10µH
0.24
0.20
10
100
1000
2.5
3
3.5
4
4.5
5
5.5
Output Current (mA)
V
IN
(V)
ACT6390 Maximum Output Current vs. Input Voltage
Maximum Output Current (mA)
2200
1800
1400
1000
600
200
0
2.5
3.1
3.7
4.3
4.9
5.5
V
OUT
= 12V
ACT6390-005
FREQ = G
V
OUT
= 5V
V
OUT
= 9V
Input Voltage (V)
Innovative Power
TM
-9-
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