Datasheet

5.3 Output Voltage Ripple
t- Time-2 s/divm
Ch1:VDCDC
10mV/div
Ch2:SW
2V/div
Ch3:LoadCurrent
DCDC
20mAdiv
VINDCDC=3.6V
T =25 C
VDCDC=1.2V
A
o
LoadCurrent=60mA
EN_DCDC=high
EN_LDO1=low
EN_LDO2=low
t- Time-200ns/div
Ch1:VDCDC
10mV/div
Ch2:SW
2V/div
Ch4:LoadCurrent
DCDC
20mAdiv
VINDCDC=3.6V
T =25 C
VDCDC=1.2V
A
o
LoadDCDC=400mA
EN_DCDC=high
EN_LDO1=low
EN_LDO2=low
www.ti.com 4 TPS65000/1 Typical Performance Data and Characteristic Curves
Figure 7. TPS65000/1 Output Voltage Ripple (MODE = low)
Figure 8. TPS65000/1 Output Voltage Ripple (MODE = high)
SLVU293 – August 2009 Using the TPS65000EVM 2.25 MHz Step-Down Converter with Dual LDO 9
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