Datasheet

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TYPICAL CHARACTERISTICS
0 0.1 0.2 0.3 0.4 0.5 0.6
100
90
80
70
60
50
40
V
S
= 13.5 V,
VGH = VGL = No Load, Switching
V
IN
= 2.5 V
V
IN
= 3.3 V
V
IN
= 5 V
Efficiency − %
I
O
− Load Current − A
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
100
90
80
70
60
50
40
V
S
= 10 V,
VGH = VGL = No Load, Switching
V
IN
= 2.5 V
V
IN
= 3.3 V
V
IN
= 5 V
Efficiency − %
I
O
− Load Current − A
TPS65150
SLVS576 – SEPTEMBER 2005
TABLE OF GRAPHS
FIGURES
Main Boost Converter
η Efficiency vs Load current Vs=10 V 1
η Efficiency vs Load current Vs=13.5 V 2
η Efficiency vs Load current Vs=15 V 3
f
SW
Switching frequency vs Input voltage and temperature 4
PWM operation at nominal load current 5
PWM operation at light load current 6
Load transient response 7
Softstart boost converter 8
Power-on sequencing 9
Power-on sequencing External MOSFET in series to Vs 10
Gate voltage shaping of V
GH
11
Adjustable Fault detection 12
Negative Charge Pump Driver
V
GL
V
GL
vs load current 13
Positive Charge Pump Driver
V
GH
V
GH
vs load current; Charge pump doubler stage 14
V
GH
V
GH
vs load current; Charge pump tripler stage 15
VCOM Buffer
VCOM Buffer transconductance 16
EFFICIENCY EFFICIENCY
vs vs
LOAD CURRENT LOAD CURRENT
Figure 1. Figure 2.
7