Performance Waveforms; Figure 7. Vin; Figure 8. Vin; Figure 9. Vin - STMicroelectronics STEVAL-L3751V12 User Manual

Based on dc-dc converter buck regulator with l3751 controller
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8

Performance waveforms

V
soft start
IN
Green = V
Blue = V
IN
Yellow = switching node
Violet = PGOOD
Figure 7.
Figure 9.
V
Enable soft start
Green = V
Blue = enable
Yellow = switching node
Violet = PGOOD
UM3024 - Rev 1
OUT
V
= 48 V, V
= 12 V at no load
IN
OUT
= 48 V, V
= 12 V, R
IN
OUT
OUT
OUT
Figure 8.
Figure 10.
V
= 10 ohm
Performance waveforms
V
= 48 V, V
= 5 V at no load
IN
OUT
= 48 V, V
= 5 V, R
IN
OUT
OUT
UM3024
= 10 ohm
page 10/24

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