AAT2513
Dual 600mA Step-Down
Converter with Synchronization
Electrical Characteristics
Line Regulation
(VOUT = 1.8V; L = 2.2µH)
Line Regulation
(VOUT = 1.5V; L = 2.2µH)
2.0
1.0
1.5
1.0
0.5
IOUT = 0.1mA to 100mA
IOUT = 0.1mA to 100mA
0.0
0.5
-0.5
0.0
-0.5
-1.0
-1.5
-2.0
IOUT = 400mA
IOUT = 400mA
-1.0
-1.5
-2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
Input Voltage (V)
Output Voltage Ripple
(VOUT = 1.8V; VIN = 3.6V; Load = 1mA)
Output Voltage Ripple
(VOUT = 1.8V; VIN = 3.6V; Load = 600mA)
1.85
1.80
1.75
1.82
1.80
1.78
0.2
0.1
0.0
-0.1
0.7
0.6
0.5
0.4
Time (10µs/div)
Time (0.2µs/div)
Input Ripple
(CIN = 2 x 10µF; VIN = 3.6V; VOUT1 = 1.8V; VOUT2 = 2.5V;
Input Ripple
(CIN = 2 x 10µF; VIN = 3.6V; VOUT1 = 1.8V;
IOUT1,2 = 600mA; 0°° Phase Shift; PS = Low)
VOUT2 = 2.5V; IOUT1,2 = 600mA; 180°° Phase Shift)
3.61
3.62
3.61
3.60
3.60
3.59
LX2
3.59
LX2
4
4
LX1
LX1
2
2
0
0
-2
-2
Time (0.2µs/div)
Time (0.2µs/div)
2513.2007.04.1.1
9
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
