PRODUCT DATASHEET
AAT2713
SystemPower
TM
Low Noise Dual 600mA Step-Down Converter with Synchronization
Electrical Characteristics
Output Voltage Error vs. Temperature
(V
IN
= 3.6V; V
OUT
= 1.8V)
1.0
1.0
Output Voltage Error vs. Temperature
(V
IN
= 3.6V; V
OUT
= 1V)
Output Voltage Error (%)
Output Voltage Error (%)
0.5
0.5
I
OUT
= 600mA
0.0
I
OUT
= 0.1mA
0.0
I
OUT
= 0.1mA
-0.5
-0.5
I
OUT
= 600mA
-15
10
35
60
85
-1.0
-40
-1.0
-40
-15
10
35
60
85
Temperature (°C)
Temperature (°C)
Soft Start
(V
IN
= 3.6V; V
OUT
= 1.8V; I
OUT
= 600mA)
Enable Voltage (top) (V)
Output Voltage (middle) (V)
Enable Voltage (top) (V)
Output Voltage (middle) (V)
4
2
4
2
Soft Start
(V
IN
= 3.6V; V
OUT
= 1.2V; I
OUT
= 600mA)
Inductor Current
(bottom) (A)
Inductor Current
(bottom) (A)
0
2
1
0
1.0
0.5
0.0
0
2
1
0
1.0
0.5
0.0
Time (100µs/div)
Time (100µs/div)
Load Transient
(1mA to 600mA; V
IN
= 3.6V; V
OUT
= 1.8V;
C
OUT
= 4.7µF; C
FF
Open)
Output Voltage
(AC coupled) (top) (V)
2.3
Load Transient
(1mA to 600mA; V
IN
= 3.6V; V
OUT
= 1.8V;
C
OUT
= 4.7µF; C
FF
= 100pF)
Output Voltage
(AC coupled) (top) (V)
2.3
Output Current
(bottom) (A)
Output Current
(bottom) (A)
1.8
1.3
1.8
1.3
0.5
0.0
0.5
0.0
Time (50µs/div)
Time (50µs/div)
8
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2713.2008.01.1.0
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