Datasheet

t- Time-100 s/divm
Ch1:VINLDOx
500mV/div
Ch2:VLDOx
20mV/div
LDOx LoadCurrent=1mA
EN_DCDC=GND
VINDCDC=6V
VINLDOx=1.6Vto2.3Vto1.6V
T =25 C
A
o
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
www.ti.com TPS650061 Typical Performance Data and Characteristic Curves
Figure 6. TPS650061 LDOx Line Transient Response
5.3 Output Voltage Ripple
Figure 7. TPS650061 Output Voltage Ripple (MODE = low)
9
SLVU354–March 2010 Using the TPS650061EVM 2.25 MHz Step-Down Converter with Dual LDO
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