AAT1106_07 Datasheet, PDF (6/18 Pages) Advanced Analogic Technologies – 600mA Step-Down Converter

Typical Characteristics
Efficiency vs. Input Voltage
(V_IN = 3.6V; L = 2.2µH; V_OUT = 1.8V)
100
95
I_LOAD = 500mA
90
85
80
I_LOAD = 100mA
75
70
65
I_LOAD = 10mA
60
55
50
2
3
4
5
6
Input Voltage (V)
Frequency vs. Input Voltage
(V_OUT = 1.8V; I_LOAD = 150mA; L = 2.2µH)
1.560
1.550
1.540
1.530
1.520
1.510
1.500
1.490
1.480
1.470
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
Input Voltage (V)
Feedback Voltage vs. Temperature
(V_IN = 3.6V)
0.604
0.603
0.602
0.601
0.600
0.599
0.598
0.597
-40
-20
0
20
40
60
80
100
Temperature (°C)
AAT1106
600mA Step-Down Converter
Output Voltage vs. Output Current
(V_IN = 3.6V; V_OUT = 1.8V; L = 2.2µH)
1.84
1.82
1.8
1.78
1.76
1.74
1.72
1.7
1.68
1.66
1.64
0
200
400
600
800
1000
1200
Load Current (mA)
R vs. Input Voltage
DS(ON)
0.400
0.350
0.300
P-Channel MOSFET
0.250
0.200
N-Channel MOSFET
0.150
2 2.5
3 3.5
4 4.5
5 5.5
6
Input Voltage (V)
R_DS(ON)
vs.
(V_IN
Temperature
= 3.6V)
0.36
0.33
0.30
0.27
0.24
0.21
0.18
0.15
-45 -30 -15
P-Channel
N-Channel
0
15 30 45 60 75 90
Temperature (°C)
6
1106.2007.07.1.0