Datasheet

TPS65140, TPS65141
TPS65145
SLVS497E –SEPTEMBER 2003–REVISED NOVEMBER 2012 www.ti.com
Table of Graphs
FIGURE
Main Boost Converter
Efficiency, main boost converter V
O
1 vs Load current 1
η Efficiency, main boost converter V
O
1 vs Load current 2
Efficiency vs Input voltage 3
f
sw
Switching frequency vs Free-air temperature 4
r
DS(on)
r
DS(on)
N-Channel main switch Q1 vs Free-air temperature 5
PWM operation continuous mode 6
PWM operation, discontinuous (light load) 7
Load transient response, C
O
= 22 μF 8
Load transient response, C
O
= 2 x 22 μF 9
Power-up sequencing 10
Soft start V
O
1 11
Negative Charge Pump
I
max
V
O
2 maximum load current vs Output voltage V
O
1 12
Positive Charge Pump
I
max
V
O
3 maximum load current vs Output voltage V
O
1 (doubler mode) 13
I
max
V
O
3 Maximum load current vs Output voltage V
O
1 (tripler mode) 14
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