AAT2783_12 Datasheet, PDF (6/22 Pages) Skyworks Solutions Inc. – Triple-Output PMIC Dual Buck with Low-VIN LDO

DATA SHEET
AAT2783
Triple-Output PMIC: Dual Buck with Low-V_IN LDO
Typical Characteristics
Step-Down Converter and LDO Input
Current vs. Input Voltage
(V_EN1 = V_EN2 = V_EN3 = V_IN)
180
170
85°C
160
150
140
25°C
130
120
110
-40°C
100
2.5
3
3.5
4
4.5
5
5.5
6
Input Voltage (V)
Step-Down Converter Switching Frequency
vs. Temperature
(V_IN = 3.3V; I_OUT1 = 1A; I_OUT2 = 0.4A)
1.31
1.30
1.29
1.28
1.27
1.26
1.25
-40
-20
VOUT2 = 1.7V
VOUT1 = 1.2V
0
20
40
60
Temperature (°C)
80
100
Step-Down Converter Switching Frequency
vs. Input Voltage
(I_OUT1 = 1A; I_OUT2 = 0.4A)
3
2
1
0
-1
-2
VOUT2 = 1.7V
VOUT1 = 1.2V
-3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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202039A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • June 8, 2012