Texas Instruments TPS62065EVM, User Manual

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Time (100 ns/div)
I :
500 mA/div
COIL
V :
50 mV/div
OUT
SW:
2 V/div
TYPICAL OUTPUT VOLTAGE RIPPLE (PWM MODE)
V = 3.6 V
V = 1.8 V
IN
OUT
L = 1.2 H
C
= 10 F
m
m
OUT
I = 500 mA
MODE = GND
OUT
Time (4 s/div)
m
V :
50 mV/div
OUT
SW:
2 V/div
I :
200 mA/div
COIL
V = 3.6 V
V = 1.8 V
IN
OUT
L = 1.2 H
C
= 10 F
m
m
OUT
I = 20 mA
MODE = GND
OUT
TYPICAL OUTPUT VOLTAGE RIPPLE (PFM MODE)
TPS62065/67EVM Test Data
www.ti.com
6.3 Output Voltage Ripple
Figure 8 and Figure 9 show the typical output voltage ripple for the TPS62065 in PFM and PWM modes,
respectively, with the TPS62065EVM.
Figure 8. TPS62065 Output Voltage Ripple (PFM Mode)
Figure 9. TPS62065 Output Voltage Ripple (PWM Mode)
10 TPS62065/67EVM SLVU364A – March 2010 – Revised November 2015
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