ACT111A
Rev 0, 14-Feb-11
TYPICAL PERFORMANCE CHARACTERISTICS
(T
A
= 25°C, unless otherwise specified.)
Efficiency vs. Load Current
95
V
IN
= 12V
95
ACT111A-001
Efficiency vs. Load Current
ACT111A-002
85
85
V
IN
= 12V
Efficiency (%)
V
IN
= 18V
75
V
IN
= 24V
Efficiency (%)
75
V
IN
= 24V
V
IN
= 18V
65
65
55
50
0.1
1
V
OUT
= 5V
10
55
50
0.1
1
V
OUT
= 3.3V
10
Load Current (A)
Load Current (A)
FB Voltage vs. Temperature
102
1.60
Oscillator Frequency vs. Temperature
Oscillator Frequency (MHz)
ACT111A-003
ACT111A-004
FB Voltage (mV)
101
1.50
100
1.40
99
1.30
98
-40
1.20
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80
100
120
Temperature (°C)
Temperature (°C)
Peak Current Limit vs. Duty Cycle
3.0
ACT111A-005
Peak Current Limit (A)
2.5
2.0
1.5
1.0
0.5
0.0
0
20
40
60
80
100
Duty Cycle
Innovative Power
TM
-4-
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