TPS53511 Datasheet, PDF (10/21 Pages) Texas Instruments – 4.5-V to 18-V Input, 1.5-A Step-Down Regulator with Integrated Switcher

TPS53511
SLUSBG4 – MARCH 2013
1200
TYPICAL CHARACTERISTICS
8
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1000
6
800
600
4
400
2
200
0
-50
0
50
100
150
T_J - Junction Temperature - °C
Figure
1.
V_CC
SUPPLY CURRENT
TEMPERATURE
vs.
JUNCTION
0
-50
0
50
100
150
T_J - Junction Temperature - °C
Figure
2.
V_CC
SHUTDOWN CURRENT
TEMPERATURE
VS.
JUNCTION
1.1
1.1
1.075
1.05
1.025
V_I = 18 V
V_I = 12 V V_I = 5 V
1.075
1.05
1.025
I_O = 10 mA
I_O = 1 mA
1
0
0.5
1
1.5
2
2.5
3
I_O - Output Current - A
Figure 3. 1.05-V Output Voltage vs. Output Current
1
0
5
10
15
20
V_I - Input Voltage - V
Figure 4. 1.05-V Output Voltage vs. Input Voltage
10
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