ACT6305
Rev0, 13-May-08
TYPICAL PERFORMANCE CHARACTERISTICS
(Typical Application Circuit, L = 6.8µH, C1 = 22µF ceramic, C2 = 22µF ceramic, unless otherwise specified.)
Efficiency vs. Output Current
100
90
100
90
ACT6305-001
Efficiency vs. Constant Current
ACT6305-002
Efficiency (%)
V
IN
= 5V
70
V
IN
= 3.5V
60
50
40
30
0.1
1.0
10
V
IN
= 1.2V
V
IN
= 2.4V
Efficiency (%)
80
80
V
IN
= 1.2V
70
60
50
40
30
V
OUT
= 3.3V
FB = OUT
0.1
1
10
100
V
IN
= 1.8V
V
IN
= 2.4V
V
OUT
= 5V
FB = G
100
1000
1000
Output Current (mA)
Constant Current (mA)
Efficiency vs. Constant Current
100
90
100
90
ACT6305-003
Efficiency vs. Constant Current
ACT6305-004
Efficiency (%)
V
IN
= 3.5V
V
IN
= 1.2V
V
IN
= 2.4V
V
IN
= 5V
Efficiency (%)
80
70
60
50
40
30
0.1
1
80
V
IN
= 2.4V
70
60
50
40
30
V
OUT
= 3.3V
FB = OUT
L = 4.7µH
C1 = 10µF
0.1
1
10
100
V
IN
= 1.2V
V
IN
= 1.8V
V
OUT
= 5V
FB = G
L = 4.7µH
C1 = 10µF
10
100
1000
1000
Constant Current (mA)
Constant Current (mA)
Startup Voltage vs. Constant Resistance Load
2.00
1.75
1.50
1.25
1.00
0.75
0.5
0
50
100
150
ACT6305-005
Startup Voltage vs. Constant Resistance Load
2.00
1.75
ACT6305-006
Startup Voltage (V)
Startup Voltage (V)
1.50
1.25
1.00
0.75
0.5
0
50
100
V
OUT
= 5V
FB = G
200
V
OUT
= 3.3V
FB = OUT
150
200
Current Load at 5V (mA)
Current Load at 3.3V (mA)
Innovative Power
TM
-4-
www.active-semi.com
Copyright © 2008 Active-Semi, Inc.
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
