TPS51220A_15 Datasheet, PDF (13/53 Pages) Texas Instruments – Fixed Frequency, 99% Duty Cycle Peak Current Mode Notebook System Power Controller

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TPS51220A
SLUS897E – DECEMBER 2008 – REVISED JANUARY 2013
TYPICAL CHARACTERISTICS (continued)
OVP/UVP THRESHOLD VOLTAGE
vs
JUNCTION TEMPERATURE
VBST LEAKAGE CURRENT
vs
JUNCTION TEMPERATURE
1.5
OVP
UVP
1.2
110
0.9
90
0.6
70
0.3
50
-50
37
35
33
31
29
27
25
-50
0
50
100
150
T_J – Junction Temperature – °C
Figure 13.
CURRENT LIMIT THRESHOLD
vs
JUNCTION TEMPERATURE
V_CSN (V)
1
5
12
0
50
100
150
T_J – Junction Temperature – °C
Figure 15.
0
-50
66
64
62
60
58
56
54
-50
0
50
100
150
T_J – Junction Temperature – °C
Figure 14.
CURRENT LIMIT THRESHOLD
vs
JUNCTION TEMPERATURE
V_CSN (V)
1
5
12
0
50
100
150
T_J – Junction Temperature – °C
Figure 16.
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