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| AN1061 Datasheet, PDF (9/21 Pages) STMicroelectronics – 2A HIGH EFFICIENCY DC-DC CONVERTERY | |||
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AN1061 APPLICATION NOTE
Figure 15. Timing Diagram in Inhibit, overcurrent and turn off condition
VSS/INH
1.8V
1.3V
1.2V
IC
ILIM
IO
INHIBIT
OVER-CURRENT
TURN-OFF
t
ILIM
t
PWM
VO
VCC
Figure 16. Start up sequence.
VCC
UVLO
ON
VSS/INH
1.8V
t1
IC
t
t
D97IN811
UVLO
OFF
t
t
t
PWM
VO
t
D97IN812
t
t2
9/21
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