ACT4533A/B
Rev 0, 14-Aug-13
TYPICAL PERFORMANCE CHARACTERISTICS
(Schematic as show in Figure 9, Ta = 25°C, unless otherwise specified)
Efficiency vs. Load current
Switching Frequency vs. Input Voltage
100
95
145
140
135
130
125
120
115
110
VIN =12V
90
85
80
75
VIN =18V
VIN =24V
70
65
60
VOUT = 5V
10
15
20
25
30
35
40
0
0.4 0.8
1.2 1.6 2.0
2.4
2.8 3.2 3.6
Input Voltage (V)
Load Current (A)
CC Current vs. Temperature
Switching Frequency vs. Feedback Voltage
150
120
90
60
30
0
2780
VOUT = 5V
IN = 12V
IISET = 2.65A
V
2740
2700
2660
2620
2580
-20
10
40
70
100
130
0
100 200 300 400 500 600 700 800 900
Temperature (°C)
Feedback Voltage (mV)
CC Current vs. Input Voltage
Maximum Peak Current vs. Duty Cycle
2850
2800
2750
2700
2650
2660
9.0
8.0
7.0
6.0
5.0
4.0
3.0
10
20
30
40
50
60
70
80
90
10
15
20
25
30
35
40
Input Voltage (V)
Duty Cycle
Innovative PowerTM
- 13 -
www.active-semi.com
Copyright © 2013 Active-Semi, Inc.
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
