AAT2687 Datasheet, PDF (7/20 Pages) Advanced Analogic Technologies – PMIC Solution for 24V Systems with 2 High Performance Step-Down Converters

DATA SHEET
AAT2687
PMIC Solution for 24V Systems
with 2 High Performance Step-Down Converters
Typical Characteristics—Channel 2
LDO Input Current vs. Input Voltage
(VEN1 = 0V; VEN2 = VIN2)
100
80
60
40
20
0
2
2.5
3
3.5
4
85°C
25°C
-40°C
4.5
5
Input Voltage (V)
LDO Dropout Voltage vs. Temperature
1400
1200
1000
800
600
400
200
0
-40
-15
IOUT2 = 600mA
IOUT2 = 500mA
I_OUT2 = 300mA
IOUT2 = 150mA
IOUT2 = 50mA
10
35
60
85
Temperature (°C)
LDO Dropout Voltage vs. Output Current
1500
1200
900
600
300
0
0
100
200
300
400
Output Current (mA)
85°C
25°C
-40°C
500
600
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
VIH
VIL
4.5
5
5.5
Input Voltage (V)
LDO Output Voltage Error vs. Temperature
(VIN2 = 3.3V; VOUT2 = 1.8V; IOUT2 = 600mA)
3.0
IOUT2 = 0.1mA
2.0
IOUT2 = 300mA
IOUT2 = 600mA
1.0
0.0
-1.0
-2.0
-3.0
-50
-25
0
25
50
75
100
Temperature (°C)
LDO Dropout Characteristic
(VOUT2 = 1.8V)
1.84
1.82
1.80
1.78
1.76
1.74
1.72
1.70
1.5
2
2.5
3
IOUT2 = 0.1mA
I_OUT2 = 50mA
IOUT2 = 100mA
IOUT2 = 300mA
IOUT2 = 600mA
3.5
4
4.5
Input Voltage (V)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
202033A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • June 8, 2012
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