PRODUCT DATASHEET
AAT2784
SystemPowerTM
3-Channel Step-Down DC/DC Converter
Typical Characteristics
Soft Start
(Channel 3; VIN = 5V;
VOUT = 1.2V; IOUT = 1.5A)
4
Line Transient
(Channels 1 and 2; VOUT = 3.3V;
VIN = 3.6 to 4.2V; IOUT = 300mA)
4.8
3
2
1
0
4.2
3.6
0.04
0.02
0
1.5
1
0.5
0
-0.02
-0.04
Time (50µs/div)
Time (100ms/div)
Line Transient
(Channel 3; VOUT = 1.2V;
VIN = 3.6 to 4.2V; IOUT = 1.5A)
5
Line Regulation
(Channels 1 and 2; VOUT = 3.3V)
1
4.5
4
0.5
IOUT = 10mA
0
3.5
-0.5
0.04
0.02
0
IOUT = 100mA
-1
IOUT = 300mA
-1.5
-0.02
-0.04
-2
3.2
3.7
4.2
4.7
5.2
5.7
Input Voltage (V)
Time (50µs/div)
Line Regulation
(Channel 3; VOUT = 1.2V)
0.5
0.4
0.3
IOUT = 10mA
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
IOUT = 1000mA
IOUT = 1500mA
IOUT = 100mA
2.6
3.1
3.6
4.1
4.6
5.1
5.6
Input Voltage (V)
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8
2784.2007.11.1.1
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
