Datasheet

LTC3375
18
3375fc
For more information www.linear.com/3375
operaTion
PB
KILL = 0
BUCK1-BUCK8
HARD RESET
SEQUENCE UP
t
1
t
2
t
3
3375 F02a
SEQUENCE DOWN
KILL
NOT ASSERTED
BEFORE t
3
ON
(TIED TO EN1)
t
PB_ON
t
KILLH
PB
KILL
IRQ
BUCK1-BUCK8
HARD RESET
SEQUENCE UP
DON’T CARE
3375 F02b
SEQUENCE DOWN
t
1
t
2
t
3
t
4
t
5
ON
(TIED TO EN1)
t
PB_OFF
t
KILLH
t
PB_ON
Figure 2a. Power-Up Using PB (Sequenced Power-Up, Figure 8)
Figure 2b. Power-Up and Power-Down Using PB (Sequenced Power-Up, Figure 8)
Figure 2c. Power-Up Using PB and Power-Down Using KILL
PB
KILL
BUCK1-BUCK8
HARD RESET
DON’T CARE
SEQUENCE UP
t
1
t
2
t
3
t
4
t
5
3375 F02c
IRQ
ON
(TIED TO EN1)
t
PB_ON
t
KILL
t
KILLH