STMicroelectronics STEVAL-L3751V12, Руководство пользователя

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