Datasheet

Data Sheet ADM1186
Rev. B | Page 21 of 28
07153-032
SET
FAU
L
T
W
AIT S
TART
OUT1: LOW OUT3: LOW
OUT2: LOW OUT4: LOW
ENABLE OUT1
OUT1: HIGH
ENABLE OUT2
OUT2: HIGH
DELAY 2
ENABLE OUT3
OUT3: HIGH
DELAY 3
ENABLE OUT4
OUT4: HIGH
DISABLE OUT1
OUT1: LOW
DISABLE OUT2
OUT2: LOW
DISABLE OUT3
OUT3: LOW
DISABLE OUT4
OUT4: LOW
DELA
Y 4
FAULT HOLD
TIMES OUT
EXIT UVLO
F
F
F
F
F
F
AFTER BLANKING DELAY VIN1: HIGH
AFTER BLANKING DELAY VIN2: HIGH
UP/DOWN:
FALLING EDGE
AFTER BLANKING DELAY VIN1: LOW
AFTER DL
Y_EN_OUT2 TIME DEL
AY
F
F
F
F
F
F
F
AFTER DLY_EN_OUT4
TIME DEL
AY
AFTER DLY_EN_OUT3
TIME DELAY
AFTER DLY_EN_OUT2
TIME DELA
Y
UP/DOWN: FALLING EDGE
UP/DOWN: RISING EDGE
VIN1: LOW
UP/DOWN: RISING EDGE
VIN1 OR VIN2: LOW
UP/DOWN: RISING EDGE
VIN1 OR VIN2 OR VIN3: LOW
UP/DOWN: RISING EDGE
UP/DOWN: RISING EDGE
OUT1: LOW OUT3: LOW
OUT2: LOW OUT4: LOW
UP/DOWN:
FALLING EDGE
VIN1: LOW
UP/DOWN: F
ALLING EDGE
VIN1 OR VIN2: LOW
AFTER BLANKING DELA
Y VIN3: HIGH
AFTER BLANKING DEL
AY VIN4: HIGH
UP/DOWN:
FALLING EDGE
VIN1 OR VIN2 OR VIN3: LOW
UP/DOWN: FALLING EDGE
VIN1: LOW
AFTER BLANKING DELAY VIN2: LOW
AFTER DL
Y_EN_OUT3 TIME DELAY
UP/DOWN: F
ALLING EDGE
VIN1 OR VIN2: LOW
AFTER BLANKING DEL
AY VIN3: LOW
AFTER DL
Y_EN_OUT4 TIME DELAY
UP/DOWN: FALLING EDGE
VIN1 OR VIN2 OR VIN3: LOW
AFTER BLANKING DELA
Y VIN4: LOW
POWER-UP DONE
VIN1 OR VIN2 OR VIN3 OR VIN4: LOW
UP/DOWN: LOW
CLEAR FAULT
Figure 32. ADM1186-2 State Machine Operation