AAT1106
600mA Step-Down Converter
Typical Characteristics
Startup Waveform
(VOUT = 1.8V; CFF = 22pF; RLOAD = 3Ω;
CIN = 4.7µF; COUT = 10µF; L = 2.2µH)
1.75
Startup Waveform
(VOUT = 1.8V; CFF = 0pF; RLOAD = 3Ω;
CIN = 4.7µF; COUT = 10µF; L = 2.2µH)
6
5
6
5
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
-0.25
1.50
V
EN = 3.0V
4
4
3
1.25
VEN = 3.0V
3
VOUT = 1.8V
1.00
VOUT = 1.8V
2
2
0.75
0.50
0.25
1
1
IIN
0
0
-1
-2
-3
-1
-2
-3
IIN
0.00
-0.25
Time (20µs/div)
Time (20µs/div)
Startup Waveform
(VOUT = 1.8V; CFF = 100pF; RLOAD = 3Ω;
CIN = 4.7µF; COUT = 10µF; L = 2.2µH)
6
5
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
-0.25
4
VEN = 3.0V
3
VOUT = 1.8V
2
1
IIN
0
-1
-2
-3
Time (20µs/div)
8
1106.2007.07.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
