AAT1276 Datasheet, PDF (5/18 Pages) Advanced Analogic Technologies – Boost Converter with USB Power Switch

SwitchReg^TM
Typical Characteristics
Efficiency vs. Load
100
80
60
40
20
0
0.1
V_IN = 2.7V
V_IN = 4.2V
V_IN = 3.6V
1
10
100
1000
Output Current (mA)
Line Regulation
(I_OUT = 300mA)
4.960
4.958
4.956
4.954
4.952
4.950
4.948
4.946
4.944
4.942
4.940
3.6
3.7
3.8
3.9
4.0
4.1
4.2
Input Voltage (V)
No Load Current vs. Supply Voltage
140
120
85°C
100
80
60
-40°C
25°C
40
20
0
2.7 2.9 3.2 3.4 3.6 3.9 4.1 4.3 4.5 4.8 5.0
Supply Voltage (V)
PRODUCT DATASHEET
AAT1276
Boost Converter with USB Power Switch
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
0.1
DC Regulation
(V_OUT = 5.0V)
V_IN = 4.2V
V_IN = 2.7V ^{VIN = 3.6V}
1
10
100
1000
Output Current (mA)
Output Voltage vs. Temperature
(V_IN = 3.6V; 50Ω Load)
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-50
-25
0
25
50
75
100
Temperature (°C)
No Load Current vs. Temperature
(V_IN = 3.6V; V_OUT = 5.0V)
140
120
100
80
60
40
20
0
-50
0
50
100
150
Temperature (°C)
1276.2007.11.1.1
www.analogictech.com
5