TPS51285A Datasheet, PDF (21/32 Pages) Texas Instruments – Ultra-Low Quiescent (ULQ™) Dual Synchronous Step-Down Controller with 5V and 3.3V LDOs

TPS51285A
TPS51285B
www.ti.com
SLVSBX0 – APRIL 2013
TYPICAL CHARACTERISTICS
140
16
120
14
100
12
10
80
8
60
6
40
4
20
2
0
±50 ±25
0
25
50
75 100 125
Junction Temperature (ƒC)
C003
Figure 9. VIN Supply Current 1 vs. Junction Temperature
0
±50 ±25
0
25
50
75 100 125
Junction Temperature (ƒC)
C005
Figure 10. VIN Supply Current 2 vs. Junction Temperature
120
100
80
60
40
20
0
±50 ±25
0
25
50
75 100 125
Junction Temperature (ƒC)
C004
Figure 11. VO1 Supply Current 1 vs. Junction Temperature
50
45
40
35
30
25
20
15
10
TPS51285A
5
0
±50 ±25
0
TPS51285B
25
50
75 100 125
Junction Temperature (ƒC)
C006
Figure 12. VIN Stand-By Current vs. Junction Temperature
100
90
80
70
60
50
40
30
20
10
0
-50 -25
0
25
50
75 100 125
Junction Temperature (ƒC)
C001
Figure 13. CS Source Current vs. Junction Temperature
310
290
270
250
230
210
-50 -25
0
25
50
75 100 125
Junction Temperature (ƒC)
C002
Figure 14. Clock Frequency vs. Junction Temperature
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