AAT2603_08 Datasheet, PDF (7/26 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

PRODUCT DATASHEET
AAT2603
Total Power Solution for Portable Applications
Typical Characteristics—DC-DC1 (Buck1)
100
90
80
70
60
50
40
30
20
10
0
0.1
Efficiency vs. Output Current
(V_OUTB1 = 3.3V; L = 3.3µH)
VIN = 5V
VIN = 4.2V
VIN = 3.6V
1
10
100
1000
10000
Output Current (mA)
0.4
0.2
0
-0.2
-0.4
0.1
Load Regulation
(V_OUTB1 = 3.3V; L = 3.3µH)
VIN = 5V
VIN = 4.2V
V_IN = 3.6V
1
10
100
1000
Output Current (mA)
10000
0.4
0.2
0
-0.2
-0.4
3.6
Line Regulation
(V_OUTB1 = 3.3V; L = 3.3µH)
IOUT = 1.2A
IOUT = 600mA
I_OUT = 300mA
IOUT = 100mA
I_OUT = 10mA
IOUT = 1mA
IOUT = 0.1mA
4
4.4
4.8
5.2
Input Voltage (V)
Output Voltage Error vs. Temperature
(V_OUTB1 = 3.3V; V_IN = 4.2V)
0.4
IOUT = 1.2A
IOUT = 0.1mA
0.2
0
-0.2
-0.4
-40
-15
10
35
60
85
Temperature (°C)
P-Channel R_DS(ON) vs. Input Voltage
(V_OUTB1 = 3.3V)
250
200
150
100
50
0
2.7
3.1
3.5
3.9
4.3
4.7
Input Voltage (V)
T = 120°C
T = 100°C
T = 85°C
T = 25°C
5.1
5.5
Load Transient
(V_OUTB1 = 3.3V; V_IN = 4.2V; I_OUTB1 = 100mA to 1200mA; C_FF = 0pF)
0.4
0.2
0
-0.2
-0.4
1.5
1
0.5
0
Time (100µs/div)
2603.2008.10.1.2
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