LTC3675_15 Datasheet, PDF (34/38 Pages) Linear Technology – 7-Channel Configurable High Power PMIC

LTC3675/LTC3675-1
Typical Applications
Li-Ion CELL
2.7V TO 4.2V
2.2µF
1.2V
25mA
V_IN
10µF _324k
649k
LDO_OUT
LDOFB
V_IN
10µF
2.2µH
1.2V
SW1
1A
324k
22µF
FB1
649k
10µF
V_IN
V_IN
10µF
2.2µH
5V, 1A
2.2µH
SW5
VOUT5
SW2
655k
22µF
2.5V
1A
22µF
22µF
22µF 1.05M
FB2
309k
FB5
LTC3675/
200k
LTC3675-1
V_IN
2.2µH
3.3V, 1A
SWAB6
SWCD6
VOUT6
2.2µH
SW3
590k
10µF
1.8V
500mA
10µF
10µF 332k
FB6
FB3
475k
105k
DV_CC
I²C
1µF
CONTROL
SCL
SDA
2.2µH
SW4
511k
FB4
511k
1.6V
500mA
10µF
MICROPROCESSOR
CONTROL
0.01µF
IRQB
RSTB
WAKE
PBSTAT
EN1
EN2
EN3
EN4
ENBB
CT
SW7
LED1
LED2
ONB
PUSH BUTTON
LED_OV
LED_FS
EXPOSED PAD
36751 F07
10µH
UP TO
10 LEDS
•••
20k
10µF
4.7µF
50V
1.96M
42.2k
Figure 7. Buck Regulators with Sequenced Start-Up and a Single String of LEDs.
Buck Regulators Power-Up in the Sequence Buck1, Buck2 and Buck3
34
For more information www.linear.com/LTC3675
36751fc