LTC3675 Datasheet, PDF (32/36 Pages) Linear Technology – 7-Channel Confi gurable High Power PMIC

LTC3675
TYPICAL APPLICATIONS
Li-Ion
CELL
2.7V
TO 4.2V
1μF
1.2V
25mA
V_IN
10μF _324k
649k
LDO_OUT
LDOFB
V_IN
2.2μH
SW1
324k
FB1
649k
10μF
1.2V
1A
22μF
1μF
5V, 1A
22μF
2.2μH
22μF
22μF 1.05M
200k
2.2μH
3.3V, 1A
10μF 322k
105k
V_IN
SW5
VOUT5
FB5
SWAB6
SWCD6
VOUT6
FB6
LTC3675
DV_CC
I²C
1μF
CONTROL
SCL
SDA
V_IN
2.2μH
SW2
655k
FB2
309k
V_IN
2.2μH
SW3
590k
FB3
475k
2.2μH
SW4
511k
FB4
511k
10μF
2.5V
1A
22μF
10μF
1.8V
500mA
10μF
1.6V
500mA
10μF
MICROPROCESSOR
CONTROL
IRQB
RSTB
WAKE
SW7
PBSTAT
EN1
EN2
EN3
EN4
EN6
CT
LED1
0.01μF
LED2
LED_OV
ONB
LED_FS
PUSH BUTTON
EXPOSED PAD
3675 F06
10μH
UP TO
10 LEDS
•••
20k
10μF
4.7μF
50V
•••
1.96M
42.2k
Figure 6. Detailed Front Page Application Circuit
3675f
32