ACT4513
Rev 7, 14-Nov-12
TYPICAL PERFORMANCE CHARACTERISTICS CONT’D
(L = 33µH, CIN = 10µF, COUT = 47µF, Ta = 25℃, RCOMP = 8.2k, CCOMP1 = 2.2nF, CCOMP2 = NC)
Standby Current vs. Input Voltage
Shutdown Current vs. Input Voltage
3.6
3.2
2.8
2.4
2
130
120
110
100
90
1.6
1.2
0.8
0.4
80
70
0
0
10
15
20
25
30
35
40
4
8
12
16
20
24
28
32
36
40
Input Voltage (V)
Input Voltage (V)
Start up into CC mode
Reverse Leakage Current (VIN Floating)
160
120
80
VOUT = 5V
RLORD = 1.5ꢀ
IISET = 2A
VIN = 12V
CH1
CH2
40
0
0
1
2
3
4
5
CH1: VOUT, 2V/div
CH2: IOUT, 1A/div
TIME: 200µs/div
VOUT (V)
Start up into CC mode
SW vs. Output Voltage Ripples
VOUT = 5V
VIN = 12V
RLORD = 1.5ꢀ
IISET = 2A
VOUT = 5V
IOUT = 2A
VIN = 24V
CH1
CH1
CH2
CH2
CH1: VOUT, 2V/div
CH2: IOUT, 1A/div
TIME: 200µs/div
CH1: VOUT Ripple, 20mV/div
CH2: SW, 5V/div
TIME: 2µs/div
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