TPS65708 Datasheet, PDF (8/22 Pages) Texas Instruments – PMU for Embedded Camera Module

TPS65708
SLVSAE1A – OCTOBER 2010 – REVISED FEBRUARY 2011
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS
η
Efficiency DCDC (V_O = 3.3V)
η
Efficiency DCDC (V_O = 3.3V)
η
Efficiency DCDC (V_O = 1.2V)
η
Efficiency DCDC (V_O = 1.2V)
Line transient response DCDC (PWM)
Line transient response DCDC (PFM)
Line transient response LDO
Load transient response DCDC (PFM)
Load transient response DCDC (PWM)
Load transient response LDO
Startup timing DCDC1, DCDC2, LDO1 and LDO2
LDO POWER SUPPLY REJECTION RATIO (PSRR)
vs Load current / PFM mode;
vs Load current / PWM mode
vs Load current / PFM mode
vs Load current / PWM mode
Scope plot for a 3.6V to 5V to 3.6V input voltage
change
Scope plot for a 3.6V to 5V to 3.6V input voltage
change
Scope plot for a 3.6V to 5V to 3.6V input voltage
change
Scope plot for a 10% to 90% load step (40mA to
360mA)
Scope plot for a 10% to 90% load step (40mA to
360mA)
Scope plot for a 10% to 90% load step (20mA to
180mA)
Scope plot of startup; R1 = supply voltage is
applied
Scope plot
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FIGURE
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Figure 12
100
90 3.6 V
80
4.2 V
70
5V
60
50
40
30
20
10
0
0.1
1
10
100
1k
I_O - Output Current - mA
FigCuUreR1R.EENFTFI/CPIEFMNCMYODDCED; Cfo(rVV_OIN==3.33.6VV) vtso
LOAD
5V
100
90
80
70
3.6 V
60
4.2 V
50
40
5V
30
20
10
0
0.1
1
10
100
1k
I_O - Output Current - mA
FigCuUreRR2.EENFTF/ICPIWENMCMYODDCED;Cfo(rVV_OIN=
3.3 V) vs LOAD
= 3.6 V to 5 V
8
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