Datasheet

0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
1.8 2.4 3.0 3.6 4.2 4.8 5.4 6.0
V
IN
-InputVoltage-V
r
DS(on)
-On-StateResistance- W
T
A
=25 C
o
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0 8 16 24 32 40 48 56 64
InputStepNumber
V
(DO)
– Drop-OutVoltage – V
V
IN
=2.4V
I
(Load)
= 1 mA to 11 mA Step
V
O
= 50 mV/Div
50 µs/Div
250 ms/Div
V
IN
=2.4Vto3.4VStep
V
O
=100mV/Div
V
O
=50mV/Div
1 ms/Div
V
(SW)
=10V/Div
I
L
=200mA/Div
500 µs/Div
I
I
= 50 mA/Div
CTRL 2 V/Div
V
O
= 5 V/Div
TPS61045
www.ti.com SLVS440B –JANUARY 2003–REVISED MARCH 2009
Space Space
r
DS(on)
Input Switch Q1 V
(DO)
Voltage
vs vs
Input Voltage CTRL Input Step
Figure 10. Figure 11.
LINE TRANSIENT RESPONSE LOAD TRANSIENT RESPONSE
Figure 12. Figure 13.
PFM OPERATION SOFT START
Figure 14. Figure 15.
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