Datasheet

5.2 Line and Load Regulation
t- Time-100 s/divm
Ch1:VDCDC
50mV/div
Ch2:DCDCLoadCurrent
200mA/div
DCDC LoadCurrent=60mA to540mA
Mode=GND
VINDCDC=3.6V
T =25 C
A
o
VDCDC=1.8V
t- Time-200 s/divm
Ch1:LDOxLoadCurrent
50mA/div
Ch2:VLDOx
20mV/div
VINDCDC=3.6V
T =25 C
LDOx
VINLDOx=3.6V
LoadCurrent=15mA to100mA
VLDOx=1.2V
EN_DCDC=GND
A
o
www.ti.com 4 TPS65000/1 Typical Performance Data and Characteristic Curves
Figure 3 and Figure 4 show the load transient response of the DCDC converter and LDO, while Figure 5
and Figure 6 show the line transient response.
Figure 3. TPS65000/1 DCDC Converter Load Transient Response
Figure 4. TPS65000/1 LDOx Transient Response
SLVU293 – August 2009 Using the TPS65000EVM 2.25 MHz Step-Down Converter with Dual LDO 7
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