®
ACT2103
Rev 2, 23-May-12
TYPICAL PERFORMANCE CHARACTERISTICS
(L = 15µH, CIN = 100µF, COUT = 330µF, Ta = 25°C, RCOMP = 18k, CCOMP1 = 2.2nF, CCOMP2 = N/C)
IIN vs. VIN at Output Dead Short
Standby Current vs. VIN
90
80
70
60
50
40
30
20
10
0
2.4
2
1.6
1.2
0.8
0.4
0
4
6
8
10
12
14
16
18
20
6
8
10
12
14
16
18
20
VIN (V)
VIN Voltage (V)
No Load Operation
Peak Current Limit vs. Duty Cycle
6.00
5.50
5.00
4.50
4.00
3.50
3.00
VIN = 12V
V0UT = 5V
CH1
CH2
20
30
40
50
60
70
80
90
CH1: VRIPPLE, 20mV/div
CH2: SW, 5V/div
TIME: 20µs/div
Duty Cycle
50mA Load Operation
200mA Load Operation
VIN = 12V
0UT = 5V
VIN = 12V
0UT = 5V
V
V
CH1
CH1
CH2
CH2
CH1: VRIPPLE, 20mV/div
CH2: SW, 5V/div
TIME: 2µs/div
CH1: VRIPPLE, 20mV/div
CH2: SW, 5V/div
TIME: 2µs/div
Innovative PowerTM
- 13 -
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
