MP161 – INTEGRATED POWER SOLUTION FOR HOME/INDUSTRIAL AUTOMATION
SIGNAL SEQUENCE
Power On
Normal
Operation
Unplug from
Main Input
VOUT
VHVOFF
VHVON
VCC
VCCL
VCCPRO
Driver
Pulses
8192
cycles
Driver
HV Current
Source
Fault Flag
Over-Load Over-Load
Short Circuit
Fault
Thermal Shutdown
Fault
Brown Out Fault
Fault
Fault
VIN Over Voltage
Fault
Counter<8192 Counter=8192
Figure 9: Signal Evolution in the Presence of a Fault
MP161 Rev. 1.0
8/4/2017
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
23