Datasheet

1
1.05
1.1
1.15
1.2
1.25
1.3
1.35
1.4
V
VDD
= 3V
V
VDD
= 20 V
V
VDD
= 12 V
T
J
– Junction Temperature – °C
f
SW
– Switching Frequency – MHz
–40 20–25 –10 5 65 12580 95 11035 50
TPS40305
–40 20–25 –10 5 65 12580 95 11035 50
T
J
– Junction Temperature – °C
I
DDQ
– Quiescent Current – mA
2.12
2.14
2.16
2.18
2.20
2.22
2.24
V
VDD
= 12 V
305
306
307
308
309
310
311
312
313
314
–40 20–25 –10 5 65 12580 95 11035 50
T
J
– Junction Temperature – °C
f
SW
– Switching Frequency – kHz
TPS40303
V
VDD
= 3V
V
VDD
= 12 V
V
VDD
= 20 V
580
585
590
595
600
605
610
615
620
625
V
VDD
= 3V
V
VDD
= 20 V
–40 20–25 –10 5 65 12580 95 11035 50
T
J
– Junction Temperature – °C
TPS40304
f
SW
– Switching Frequency – kHz
V
VDD
= 12 V
TPS40303, TPS40304, TPS40305
www.ti.com SLUS964A –NOVEMBER 2009–REVISED AUGUST 2012
TYPICAL CHARACTERISTICS
SWITCHING FREQUENCY SWITCHING FREQUENCY
vs vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE
Figure 1. Figure 2.
SWITCHING FREQUENCY QUIESCENT CURRENT
vs vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE
Figure 3. Figure 4.
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