AAT2612 Datasheet, PDF (5/18 Pages) Skyworks Solutions Inc. – Step-Down DC/DC Converter With Three High PSRR LDOs

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Supply Current vs Supply Voltage
(V_ENB, V_ENL> 1.5V)
250
230
210
190
170
85°C
25°C
-40°C
150
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Supply Voltage (V)
Switching Frequency vs Temperature
(V_INB = 3.6V, I_OUT = 600mA)
1.60
1.55
1.50
1.45
1.40
1.35
-40
-15
10
35
60
85
Temperature (°C)
Buck Efficiency vs Output Current
(V_OUT = 1.2V; L = 2.2μH)
100
90
80
70
60
50
40
30
20
10
0
0.1
1
V_IN = 2.5V
V_IN = 3.6V
V_IN = 4.2V
V_IN = 5.0V
V = 5.5V
IN
10
100
1000
Output Current (mA)
Buck Quiescent Current vs Supply Voltage
(V_OUT= 1.2V, V_ENB> 1.5V,V_ENL< 0.4V)
140.00
130.00
120.00
110.00
85°C
100.00
25°C
-40°C
90.00
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Supply Voltage (V)
Switching Frequency vs Input Voltage
(V_OUTB = 1.2V, I_OUTB = 600mA)
1.54
1.52
1.50
1.48
1.46
1.44
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
UVLO Volatge vs Temperature
1.950
1.910
1.870
1.830
1.790
1.750
-40
UVLO_H
UVLO_L
-15
10
35
60
85
Temperature (°C)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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202407B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013