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

LTC3675/LTC3675-1
Typical Application
Li-Ion
CELL
2.7V
TO 4.2V
2.2µF
1.2V
25mA
V_IN
10µF _324k
649k
LDO_OUT
LDOFB
V_IN
2.2µH
SW1
324k
10µF
1.2V
1A
22µF
FB1
649k
V_IN
V_IN
10µF
2.2µH
2.2µH
SW2
5V, 1A
SW5
VOUT5
655k
22µF
22µF
22µF 1.05M
FB2
309k
FB5
LTC3675/
200k
2.2µH
LTC3675-1
V_IN
SWAB6
2.2µH
SWCD6
SW3
3.3V, 1A
VOUT6
590k
10µF 332k
FB6
FB3
475k
105k
2.2µH
DV_CC
I²C
1µF
CONTROL
SCL
SDA
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
36751 TA02
10µH
UP TO
10 LEDS
•••
20k
10µF
4.7µF
50V
•••
1.96M
42.2k
Related Parts
PART NUMBER
LTC3569
LTC3577/
LTC3577-1/
LTC3577-3/
LTC3577-4
LTC3586/
LTC3586-1
DESCRIPTION
Triple Buck Regulator with 1.2A and
Two 600mA Outputs and Individual
Programmable References
Highly Integrated Portable/Navigation PMIC
Switching USB Power Manager with Li-Ion/
Polymer Charger, 1A Buck-Boost + Dual
Sync Buck Converter + Boost + LDO
COMMENTS
Triple, Synchronous, 100% Duty Cycle, PGOOD Pin, Programmable V_FB Servo Voltage
PMIC: Linear Power Manager and Three Buck Regulators, 10-LED Boost Regulator,
Synchronous Bucks ADJ at 800mA/500mA/500mA, PB Control, I²C Interface, 2× 150mA
LDOs, OVP Charge Current Programmable Up to 1.5A from Wall Adapter Input, Thermal
Regulation, 4mm × 7mm QFN-44 Package; "-1" and "-4" Versions Have 4.1V V_FLOAT, "-3"
Version for SiRF Atlas IV Processors
PMIC: Switching Power Manager, 1A Buck-Boost + 2 Bucks ADJ to 0.8V at
400mA/400mA + 800mA Boost + LDO, Charge Current Programmable Up to 1.5A from
Wall Adapter Input, 4mm × 6mm QFN-38 Package; "-1" Version Has 4.1V V_FLOAT
36751fc
38 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950_Fo3_r5_m-7_o4_re1_i7_{nformation www.linear.com/LTC3675}
[phone] ^● FAX: [phone] ^● www.linear.com/LTC3675
LT 0313 REV C • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2010