AAT2603_08 Datasheet, PDF (10/26 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

PRODUCT DATASHEET
AAT2603
Total Power Solution for Portable Applications
Typical Characteristics—DC-DC2 (Buck2)
Output Voltage Error vs. Temperature
(V_OUTB2 = 1.3V; V_IN = 3.6V)
0.6
IOUT = 600mA
0.4
IOUT = 0.1mA
0.2
0
-0.2
-0.4
-0.6
-40
-15
10
35
60
85
Temperature (°C)
Switching Frequency vs. Input Voltage
(V_OUTB2 = 1.3V; I_OUTB2 = 600mA)
1.505
1.5
1.495
1.49
1.485
1.48
1.475
1.47
1.465
1.46
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
P-Channel R_DS(ON) vs. Input Voltage
(V_OUTB2 = 1.3V)
400
350
300
250
200
150
T = 120°C
100
T = 100°C
50
T = 85°C
T = 25°C
0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Load Transient
(V_OUTB2 = 1.3V; V_IN = 3.6V; I_OUTB2 = 100mA to 600mA; C_FF = 0pF)
0.1
0.05
0
-0.05
-0.1
1
0.5
0
Time (50µs/div)
Load Transient
(V_OUTB2 = 1.3V; V_IN = 3.6V; I_OUTB2 = 100mA to 600mA; C_FF = 100pF)
0.1
0.05
0
-0.05
-0.1
1
0.5
0
Time (50µs/div)
Load Transient
(V_OUTB2 = 1.3V; V_IN = 3.6V; I_OUTB2 = 300mA to 600mA; C_FF = 0pF)
0.05
0
-0.05
1
0.5
0
Time (20µs/div)
10
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2603.2008.10.1.2