PRODUCT DATASHEET
AAT2784
SystemPower
TM
Typical Characteristics
Output Ripple
(Channels 1 and 2; V
OUT
= 3.3V;
V
IN
= 4.6V; I
OUT
= 1mA)
Output Voltage (top) (V)
0.01
0
-0.01
3-Channel Step-Down DC/DC Converter
Output Ripple
(Channels 1 and 2; V
OUT
= 3.3V;
V
IN
= 4.6V; I
OUT
= 300mA)
Output Voltage (top) (V)
0.01
0
-0.01
Inductor Current (bottom) (A)
Inductor Current (bottom) (A)
0.4
0.3
0.2
0.1
0
0.2
0.1
0
Time (400ns/div)
Time (400ns/div)
Output Ripple
(Channel 3; V
OUT
= 1.2V;
V
IN
= 4.6V; I
OUT
= 1.5A)
Output Voltage (top) (V)
0.01
0
-0.01
Output Ripple
(Channels 1 and 2; V
OUT
= 3.3V;
V
IN
= 3.6V; I
OUT
= 300mA)
Output Voltage (top) (V)
0.01
0
-0.01
Inductor Current (bottom) (A)
Inductor Current (bottom) (A)
2
1.5
1
0.5
0
0.4
0.3
0.2
0.1
0
Time (400ns/div)
Time (400ns/div)
Output Ripple
(Channel 3; V
OUT
= 1.2V;
V
IN
= 3.6V; I
OUT
= 1.5A)
Output Voltage (top) (V)
0.01
0
-0.01
Output Ripple
(Channels 1 and 2; V
OUT
= 3.3V;
V
IN
= 5V; I
OUT
= 300mA)
Output Voltage (top) (V)
0.01
0
-0.01
Inductor Current (bottom) (A)
Inductor Current (bottom) (A)
2
1.5
1
0.5
0
0.4
0.3
0.2
0.1
0
Time (400ns/div)
Time (400ns/div)
2784.2007.11.1.1
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