Datasheet

170
190
210
230
250
270
290
310
-40 -10 20 50 80 110 140
T - Junction Temperature - °C
J
EA - Transconductance - A/Vm
V = 3.3 V
I
V = 5 V
I
55
60
65
70
75
80
85
90
95
100
105
-40 -10 20 50 80 110 140
T - Junction Temperature - °C
J
V = 3.3 V
I
V = 5 V
I
EA - Transconductance - A/Vm
-2.8
-2.7
-2.6
-2.5
-2.4
-2.3
-2.2
-2.1
-2
V = 3.3 V; V = 0.3 V
I SS
-40 -10 20 50 80 110 140
T - Junction Temperature - °C
J
I - SS Charge Current - A
SS
m
V = 5 V; V = 0.3 V
I SS
0
25
50
75
100
0 0.1 0.2 0.3 0.4 0.5 0.6
V - V
SENSE
V RISING
SENSE
V FALLING
SENSE
Normal Switching Frequency - %
475
480
485
490
495
500
RT = 84 k ,
V = 5 V
W
I
-40 -10 20 50 80 110 140
T - Junction Temperature - °C
J
f - Switching Frequency - kHz
s
200
500
800
1100
1400
1700
2000
RT- Resistance - kW
0
50
100 150 200
250
f - Switching Frequency - kHz
s
TPS54519
SLVSAT3A –SEPTEMBER 2011–REVISED DECEMBER 2013 www.ti.com
TYPICAL CHARACTERISTICS CURVES (continued)
SWITCHING FREQUENCY vs TEMPERATURE SWITCHING FREQUENCY vs RT RESISTANCE
Figure 7. Figure 8.
SWITCHING FREQUENCY vs VSENSE SS CHARGE CURRENT vs TEMPERATURE
Figure 9. Figure 10.
TRANSCONDUCTANCE (SLOW START) vs
TRANSCONDUCTANCE vs TEMPERATURE TEMPERATURE
Figure 11. Figure 12.
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