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| LTC3675_15 Datasheet, PDF (20/38 Pages) Linear Technology – 7-Channel Configurable High Power PMIC | |||
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LTC3675/LTC3675-1
Operation
ONB
WAKE
(TIED TO EN1)
PBSTAT
(Hi-Z)
5 sec
SEQUENCE UP
SEQUENCE DOWN
BUCKS 1â4
RSTB
36751 F02a
t1 t2
t3 (BUCK REGULATORâS ENABLE IS NOT
REINFORCED BY I2C BEFORE t3)
Figure 2a. Power-Up Using WAKE (Sequenced Power-Up, Figure 7)
ONB
5 sec
WAKE
PBSTAT
SEQUENCE UP
BUCKS 1â4
RSTB
t1 t2
t3
t4
(BUCK REGULATOR 1 IS
ENABLED VIA I2C, BEFORE t3)
36751 F02b
t5
Figure 2b. Power-Up Using WAKE and Power-Down Due to Hard Reset (Sequenced Power-Up, Figure 7)
20
ONB
(Hi-Z)
WAKE
PBSTAT
(Hi-Z)
EN1
BUCK 1
RSTB
36751 F02c
t1
t2
t3
t4
Figure 2c. Power-Up Using an Enable Pin and Power-Down Due to I2C Generated Hard Reset
For more information www.linear.com/LTC3675
36751fc
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