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Texas Instruments TPS65000EVM-469 Evaluation Module TPS65000EVM-469 TPS65000EVM-469 Datenbogen

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TPS65000EVM-469
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5.3
Output Voltage Ripple
t - Time - 2 s/div
m
Ch1:VDCDC
10mV/div
Ch2:SW
2V/div
Ch3:LoadCurrent
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:LoadCurrent
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
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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