Datasheet

LTC3675/LTC3675-1
35
36751fc
For more information www.linear.com/LTC3675
Typical applicaTions
Figure 8. Combined Buck Regulators and a High Voltage Boost Regulator
LTC3675/
LTC3675-1
EXPOSED PAD
2.2µH
2.2µH
0.01µF
I
2
C
CONTROL
MICROPROCESSOR
CONTROL
PUSH BUTTON
V
IN
LDO_OUT
LDOFB
V
IN
SW5
VOUT5
FB5
SWAB6
SWCD6
VOUT6
FB6
DV
CC
SCL
SDA
IRQB
RSTB
WAKE
PBSTAT
EN1
EN3
ENBB
EN2
EN4
CT
ONB
V
IN
SW1
SW2
FB1
V
IN
FB2
V
IN
SW3
SW4
FB3
FB4
LED_FS
SW7
LED_OV
LED1
LED2
36751 F08
655k
309k
324k
649k
10µF
Li-Ion
CELL
2.7V
TO 4.2V
2.5V
2A
1.2V
25mA
1.05M
200k
2.2µH
5V, 1A
3.3V, 1A
22µF
324k
1.2V
1A
649k
12V
150mA
10µF
20V
10µH
1µF
332k
105k
10µF
2.2µH
1.87M
133k
10µF
22µF 22µF
10µF
10µF
10µF
22µF
22µF
22µF
2.2µF
10µF