AAT2510 Datasheet, PDF (5/20 Pages) Advanced Analogic Technologies – Dual 400mA, 1MHz Step-Down DC-DC Converter

AAT2510
Dual 400mA, 1MHz Step-Down DC-DC Converter
Typical Channel Characteristics
Efficiency vs. Load
(V_OUT = 2.5V; L = 4.7µH)
100
V_IN = 3.0V ^VIN ^{= 3.3V}
90
80
V_IN = 3.6V
70
60
0.1
1.0
10
100
1000
Output Current (mA)
2.0
1.0
0.0
-1.0
-2.0
0.1
Load Regulation
(V_OUT = 2.5V; L = 4.7µH)
V_IN = 3.0V
V_IN = 3.3V
V_IN = 3.6V
1.0
10
100
1000
Output Current (mA)
Efficiency vs. Load
(V_OUT = 1.8V; L = 4.7µH)
100
90 ^{VIN = 2.7V}
V_IN = 3.6V
80
70
V_IN = 4.2V
60
50
0.1
1.0
10
100
1000
Output Current (mA)
2.0
1.0
0.0
-1.0
-2.0
0.1
DC Regulation
(V_OUT = 1.8V; L = 4.7µH)
V_IN = 4.2V
V_IN = 2.7V
V_IN = 3.6V
1.0
10
100
1000
Output Current (mA)
Frequency vs. Input Voltage
(V_OUT = 1.8V)
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Output Voltage Error vs. Temperature
(V_IN = 3.6V; V_O = 1.5V)
2.0
1.0
0.0
-1.0
-2.0
-40
-20
0
20
40
60
Temperature (°C)
80
100
2510.2005.08.1.5
5