TPS53015_15 Datasheet, PDF (9/22 Pages) Texas Instruments – Single Synchronous Step-down Controller for Low Voltage Power Rails

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1200
TPS53015
SLVSBF0B – JULY 2012 – REVISED AUGUST 2012
TYPICAL CHARACTERISTICS
V_IN = 12 V, T_A= 25 °C (unless otherwise noted)
VIN SUPPLY CURRENT
vs
JUNCTION TEMPERATURE
VIN SHUTDOWN CURRENT
vs
JUNCTION TEMPERATURE
12
1000
10
800
8
600
6
400
4
200
0
−50
80
70
60
50
40
30
20
10
0
0
V_IN = 12 V
0
50
100
Junction Temperature (°C)
Figure 1.
150
G001
EN INPUT CURRENT
VS
EN INPUT VOLTAGE
V_IN = 12 V
5
10
15
20
25
30
EN Input Voltage (V)
G003
Figure 3.
2
0
−50
600
V_IN = 12 V
0
50
100
Junction Temperature (°C)
Figure 2.
150
G002
SWITCHING FREQUENCY
vs
JUNCTION TEMPERATURE
500
400
300
200
100
I_OUT = 3 A
0
−50
0
V_OUT = 1.05 V
V_OUT = 1.8 V
V_OUT = 3.3 V
50
100
150
Junction Temperature (°C)
G004
Figure 4.
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