Datasheet

TYPICAL CHARACTERISTICS
2.5
2.75
3
3.25
3.5
−50 −25 0 25 50 75 100 125
T
J
−JunctionT emperature − °C
I
Q
−QuiescentCurrent
−mA
V =12V
I
460
470
480
490
500
510
520
530
−50 −25 0 25 50 75 100 125
f − OscillatorFrequency − kHz
T − JunctionTemperature − °C
1.210
1.215
1.220
1.225
1.230
-50 -25 0 25 50 75 100 125
T -JunctionTemperature-°C
J
V -VoltageReference-V
REF
5
10
15
20
25
0 5 10 15 20 25 30 35 40
T
J
=125
°C
T
J
=27°C
T
J
=
– °40 C
ENA=0V
V
I
−InputV oltage −V
I
SD
−ShutdownCurrent
−
Aµ
7
7.5
8
8.5
9
−50 −25 0 25 50 75 100 125
T
J
− JunctionTemperature − °C
T
S
S
− InternalSlowStartT
ime − ms
80
90
100
110
120
130
140
150
160
170
180
−50 −25 0 25 50 75 100 125
mΩ
−OnResistance
−
r
DS(on)
T
J
−JunctionTemperature − °C
V
I
=12V
TPS5450-EP
www.ti.com ....................................................................................................................................................................................................... SLVS935 – JULY 2009
OSCILLATOR FREQUENCY NON-SWITCHING QUIESCENT CURRENT
vs vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE
Figure 1. Figure 2.
SHUTDOWN QUIESCENT CURRENT VOLTAGE REFERENCE
vs vs
INPUT VOLTAGE JUNCTION TEMPERATURE
Figure 3. Figure 4.
ON RESISTANCE INTERNAL SLOW START TIME
vs vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE
Figure 5. Figure 6.
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