TPS65142
www.ti.com
SLVSAX5 –JULY 2011
100
90
80
VS = 100 mV/div
70
VIN = 3.3 V
VS = 9 V
60
IS = 50 mA to 250 mA
50
40
30
20
IS = 100 mA/div
10
0
0.001
0.010
0.100
1.000
Time = 2 ms / div
Load Current [A]
Figure 1. BOOST CONVERTER EFFICINECY
vs OUTPUT CURRENT
Figure 2. BOOST CONVERTER LOAD TRANSIENT
RESPONSE
SW = 5 V/div
SW = 5 V/div
IL = 200 mA/div
VS = 20 mV/div
VIN = 3.3 V
VS = 9 V, IS = 5 mA
VGH = 24 V, IGH = 1 mA
VS = 20 mV/div
IL = 200 mA/div
VIN = 3.3 V
VS = 9 V, IS = 200 mA
VGH = 24 V, IGH = 10 mA
Time = 400ns / div
Time = 400ns / div
Figure 3. BOOST CONVERTER CONTINUOUS
CONDUCTION MODE
Figure 4. BOOST CONVERTER DISCONTINOUS
CONDUCTION MODE
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