TPS65000-Q1 Datasheet, PDF (10/25 Pages) Texas Instruments – 2.25-MHz Step-Down Converter With Dual LDOs and SVS

TPS65000-Q1
SLVSC45A – AUGUST 2013 – REVISED OCTOBER 2013
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TYPICAL CHARACTERISTICS (continued)
PFM to PWM TRANSITION (DC-DC)
PWM to PFM TRANSITION (DC-DC)
VINDCDC = 3.6V
T_A = 25^oC
DCDC Load Current = 30mA
VDCDC = 1.8V
VINDCDC = 3.6V
T_A = 25^oC
DCDC Load Current = 30mA
VDCDC = 1.8V
t - Time - 4ms/div
Figure 13.
t - Time - 4ms/div
Figure 14.
POWER-SUPPLY REJECTION RATIO (LDOx)
versus
FREQUENCY
100
V_IN = 2.3V
90
VLDOx = 1.3V
C_I = 2.2mF
80
C_O = 10mF
70
60
50
40
I_O = 10mA
30
20
10
0
10
100 1k 10k 100k 1M 10M
f - Frequency - MHz
Figure 15.
10
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