AAT2689 Datasheet, PDF (7/20 Pages) Advanced Analogic Technologies – PMIC Solution for 12V Adapter Systems with 2-Output High Performance Step-Down Converters

PRODUCT DATASHEET
AAT2689
SystemPower^TM PMIC Solution for 12V Adapter Systems with 2-Output High Performance Step-Down Converters
Typical Characteristics
Step-Down Converter Input Current
vs. Input Voltage
(V_EN1 = V_IN1)
0.70
0.65
0.60
0.55
0.50
85°C
0.45
25°C
-40°C
0.40
6
9
12
15
18
21
24
Input Voltage (V)
LDO Dropout Voltage vs. Temperature
1400
1200
1000
800
600
400
200
0
-40 -20 0
IOUT2 = 600mA
IOUT2 = 500mA
IOUT2 = 300mA
I_OUT2 = 150mA
IOUT2 = 50mA
20 40 60 80 100
Temperature (°C)
1.84
1.82
1.80
1.78
1.76
1.74
1.72
1.70
1.5
LDO Dropout Characteristics
(V_OUT2 = 1.8V)
IOUT2 = 0.1mA
IOUT2 = 10mA
I_OUT2 = 50mA
I_OUT2 = 100mA
IOUT2 = 300mA
I_OUT2 = 600mA
2
2.5
3
3.5
4
4.5
Input Voltage (V)
LDO Dropout Voltage vs. Output Current
1500
1200
900
85°C
25°C
-40°C
600
300
0
0
100
200
300
400
500
600
Output Current (mA)
LDO Input Current vs. Input Voltage
(V_EN1 = 0V; V_EN2 = V_IN2)
100
80
60
40
85°C
20
25°C
-40°C
0
2
2.5
3
3.5
4
4.5
5
Input Voltage (V)
LDO V_IH and V_IL vs. Input Voltage
1.30
1.25
1.20
1.15
1.10
1.05
1.00
2.5
3
3.5
4
4.5
Input Voltage (V)
VIH
VIL
5
5.5
2689.2008.06.1.0
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