LTC3589_12 Datasheet, PDF (15/50 Pages) Linear Technology – 8-Output Regulator with Sequencing and I2C

BLOCK DIAGRAM
LTC3589/LTC3589-1/
LTC3589-2
0.8V TO V_IN
AT 25mA
LDO1_STDBY
LDO1_FB
V_IN
V_REF
OK
ALWAYS ON LDO1
IRQ
ON (PB)
PBSTAT
WAKE
PWR_ON
VSTB
CONTROL + SEQUENCE
EN1
EN2
EN3
EN4
EN_LDO2
EN_LDO34
EN_LDO3
(LTC3589-1/
LTC3589-2)
n
DV_DD
SDA
I²C
SCL
PGOOD
RSTO
POWER
GOOD
V_{IN_LDO34}
1.8V, 2.5V, 2.8V, 3.3V (LTC3589)
1.2V, 1.8V, 2.5V, 3.2V (LTC3589-1/
LTC3589-2) AT 250mA
LDO4
LDO4
V_REF
EN
OK
DAC
EN-PINS
EN-I²C
DAC
BUCK-BOOST
V_REF
EN
OK
BUCK 1
EN
OK
V_REF
BUCK 2
EN
OK
V_REF
BUCK 3
EN
OK
V_REF
DAC
7
DAC
GND (EXPOSED PAD)
V_REF
EN
OK
LDO2
V_REF
EN
OK
LDO3
PV_IN4
BB_OUT
SW4AB
SW4CD
BB_FB
PV_IN1
SW1
1.8V TO 5.0V
AT 1.2A
0.5V TO V_IN
AT 1.6A
BUCK1_FB
PV_IN2
SW2
0.5V TO V_IN
AT 1A/1.2A
BUCK2_FB
PV_IN3
SW3
0.5V TO V_IN
AT 1A/1.2A
BUCK3_FB
V_{IN_LDO2}
LDO2
LDO2_FB
0.36V TO V_IN
AT 250mA
LDO3
3589 BD
1.8V (LTC3589)
2.8V (LTC3589-1/
LTC3589-2) AT 250mA
3589fe
15