Datasheet

TYPICAL CHARACTERISTICS
Table of Graphs
0
10
20
30
40
50
60
70
80
90
100
0.0001 0.001 0.01 1 10
Efficiency − %
I − OutputCurrent
O
− A
0.1
3.4V
5V
4.2V
3.8V
V =3.3V
T =25 C
PWM/PFMMode
O
A
o
0
10
20
30
40
50
60
70
80
90
100
0.0001 0.001 0.01 1 10
Efficiency − %
I − OutputCurrent
O
− A
0.1
V =3.3V
T =25 C
PWMMode
O
A
o
3.8V
3.4V
5V
4.2V
TPS65053
TPS650531
TPS650532
www.ti.com ............................................................................................................................................. SLVS754C – MARCH 2007 – REVISED SEPTEMBER 2009
FIGURE
η Efficiency converter 1 vs Load current PWM/PFM mode 1
η Efficiency converter 1 vs Load current PWM mode 2
η Efficiency converter 2 vs Load current PWM/PFM mode 3
η Efficiency converter 2 vs Load current PWM mode 4
Output voltage ripple in PFM mode Scope plot 5
Output voltage ripple in PWM mode Scope plot 6
DCDC1, DCDC2, LDO1 startup timing Scope plot 7
LDO1 to LDO3 startup timing Scope plot 8
DCDC1 Load transient response in PWM mode Scope plot 9
DCDC1 Load transient response in PFM mode Scope plot 10
DCDC2 Load transient response in PWM mode Scope plot 11
DCDC2 Load transient response in PFM mode Scope plot 12
DCDC1 Line transient response in PWM mode Scope plot 13
DCDC2 Line transient response in PWM mode Scope plot 14
LDO1 Load transient response Scope plot 15
LDO3 Load transient response Scope plot 16
LDO1 Line transient response Scope plot 17
LDO1 Power supply rejection ratio vs frequency 18
EFFICIENCY EFFICIENCY
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 1. Figure 2.
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