TPS62065/67EVM Test Data | www.ti.com |
6.4Output Voltage Ripple (Power-Save Mode)
Figure 8 and Figure 9 show the typical output voltage ripple for the TPS62065 in PFM and PWM modes, respectively, with the TPS62065EVM.
TYPICALOUTPUTVOLTAGERIPPLE(PFMMODE)
|
|
| VIN =3.6V |
| IOUT =20MA |
| L=1.2 ∝H |
V | OUT | : | VOUT =1.8V |
| MODE=GND |
| COUT =10 ∝F |
|
|
| |||||
|
|
|
| ||||
|
|
|
|
|
|
|
50MV/DIV
SW: 2V/DIV
ICOIL:
200MA/DIV
TIME(4 ∝S/DIV)
Figure 8. TPS62065 Output Voltage Ripple (PFM Mode)
TYPICALOUTPUTVOLTAGERIPPLE(PWMMODE)
VOUT:
50MV/DIV
SW: 2V/DIV
ICOIL:
500MA/DIV
VIN =3.6V |
| IOUT =500MA |
| L=1.2 ∝H | ||
V | OUT | =1.8V |
| MODE=GND |
| COUT =10 ∝F |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
TIME(100NS/DIV)
Figure 9. TPS62065 Output Voltage Ripple (PWM Mode)
10 | TPS62065/67EVM | SLVU364 |
|
| Submit Documentation Feedback |
Copyright © 2010, Texas Instruments Incorporated