Datasheet

2.85
2.9
2.95
3
3.05
3.1
3.15
V − InputVoltage
I
− V
f − MHz
(OSC)
− OscillatorFrequency
2.7
2.9
3.1 3.3 3.7
3.9
4.1
4.5
4.7
4.9
5.5
3.5 4.3 5.1 5.3
T =85 C
A
o
T =25 C
A
o
T =-40 C
A
o
100
150
200
250
300
350
400
450
V − InputVoltage
I
− V
r − m
DS(on)
W− P-MOSFET
2.7
2.9
3.1 3.3 3.7
3.9
4.1
4.5
4.7
4.9
5.5
3.5 4.3 5.1 5.3
T =85 C
A
o
T =-40 C
A
o
T =25 C
A
o
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
-30 100 20 30 40 50 60 70
80 85
T − AmbientTemperature
A
− C
o
I
−
A
P
− InductorPeakCurrent
V =4.5V
I
V =3.6V
I
V =2.7V
I
ClosedLoop
-40 -20 -10
75
100
125
150
175
200
225
250
275
V − InputVoltage
I
− V
r − m
DS(on)
W− N-MOSFET
2.7
2.9
3.1 3.3 3.7
3.9
4.1
4.5
4.7
4.9
5.5
3.5 4.3 5.1 5.3
T =-40 C
A
o
T =25 C
A
o
T =85 C
A
o
TPS62350, TPS62351
TPS62352, TPS62353
TPS62354, TPS62355, TPS62356
www.ti.com .............................................................................................................................................................. SLVS540E – MAY 2006 – REVISED APRIL 2008
OSCILLATOR FREQUENCY r
DS(on)
P-MOSFET
vs vs
INPUT VOLTAGE INPUT VOLTAGE
Figure 17. Figure 18.
r
DS(on)
N-MOSFET INDUCTOR PEAK CURRENT
vs vs
INPUT VOLTAGE AMBIENT TEMPERATURE
Figure 19. Figure 20.
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