Datasheet

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
7
7.5
8
8.5
9
−50 −25 0 25 50 75 100 125
T
J
− JunctionTemperature − °C
T
SS
− InternalSlowStartT
ime − ms
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
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
460
470
480
490
500
510
520
530
−50 −25 0 25 50 75 100 125
f − OscillatorFrequency − kHz
T − JunctionTemperature − °C
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
TPS5450
www.ti.com SLVS757C –MARCH 2007–REVISED OCTOBER 2013
TYPICAL CHARACTERISTICS
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.
Copyright © 2007–2013, Texas Instruments Incorporated Submit Documentation Feedback 5
Product Folder Links: TPS5450