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Test Setup and Results
2.5
Output Voltage Ripple
The EVM continuous conduction mode (CCM) output voltage ripple is shown in
current is the rated full load of 2 A and V
capacitors.
The discontinuous conduction mode (DCM) output voltage ripple is shown in
is 0.15 A and V
= 9 V.
IN
The pulse skip mode output voltage ripple is shown in
and V
= 9 V.
IN
C2: V
OUT
C4: I
L
C1: SW
Figure 7. Output Voltage Ripple CCM
8
Using the TPS43061 Boost Evaluation Module (EVM)
= 9 V. The voltage ripple is measured directly across the output
IN
ac coupled
Time = 1.00 µs/div
C2: V
OUT
C4: I
L
C1: SW
Figure 9. Output Voltage Ripple Pulse Skip Mode
Copyright © 2012–2013, Texas Instruments Incorporated
Figure
9. There is no external load on the output
C2: V
OUT
C4: I
C1: SW
Figure 8. Output Voltage Ripple DCM
ac coupled
Time = 500 µs/div
SLVU799A – November 2012 – Revised March 2013
Figure
7. The output
Figure
8. The output current
ac coupled
L
Time = 1.00 µs/div
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