LTC3586_15 Datasheet, PDF (13/36 Pages) Linear Technology – High Efficiency USB Power Manager with Boost, Buck-Boost and Dual Bucks

block diagram
LTC3586/LTC3586-1
V_BUS
35, 36
CLPROG 4
NTC 5
2.25MHz
PowerPath
SWITCHING
REGULATOR
SUSPEND
LDO
500µA
–
+
BATTERY
TEMPERATURE
MONITOR
1.188V
CHRG 30
FAULT 38
EN1 21
EN2 20
EN3 18
EN4 33
MODE 9
I_LIM0 1
I_LIM1 2
V_IN4 22
6, 7
V_OUT4
SW4 8
FB4 10
CHARGE
STATUS
FAULT
LOGIC
MASTER LOGIC
800mA
EN4
2.25MHz
(BOOST)
SWITCHING
REGULATOR 4
3.3V LDO
CC/CV
CHARGER
0₊.3_–V
+
IDEAL
+–
–
15mV
3.6V
EN1
400mA
2.25MHz
(BUCK)
SWITCHING
REGULATOR 1
37 SW
3 LDO3V3
34 V_OUT
31 GATE
32 BAT
29 PROG
27 V_IN1
26 SW1
28 FB1
EN2
400mA
2.25MHz
(BUCK)
SWITCHING
REGULATOR 2
24 V_IN2
25 SW2
23 FB2
EN3
1A
2.25MHz
(BUCK-BOOST)
SWITCHING
REGULATOR 3
39
GND
14, 15
V_IN3
A
13 SWAB3
B
16, 17
V_OUT3
D
19 SWCD3
C
11 FB3
12 V_C3
3586 BD
3586fb
13