LTC3577_15 Datasheet, PDF (50/54 Pages) Linear Technology – Highly Integrated 6-Channel Portable PMIC

LTC3577/LTC3577-1
TYPICAL APPLICATIONS
5V WALL
ADAPTER
Si2333DS
Si2306BDS
D3
42 4 41
Si2333DS
R1
13
V_C
WALL ACPR
30
6.2k
OVGATE
8
V_INLDO2
10μF
OVSENSE
39
OPTIONAL OVERVOLTAGE/
REVERSE VOLTAGE PROTECTION
V_OUT
32
2.2μF
V_IN12
2.2μF
1k
40
6
USB
V_BUS
V_IN3
Si2333DS
499k
10μF
2.1k ₄₃
CLPROG
2k ₃₆
PROG
CHRG ⁴⁴
IDGATE ³⁷
BAT ³⁸
34 ^100k
NTCBIAS
35
NTC
LTC3577
Si2306BDS
Si2333DS
(OPT)
+
BAT
Li-Ion
OPTIONAL SYSTEM
LOAD DISCONNECT
100k
20μF
NTC
10μH
ZLLS400
DV_CC
SDA
SCL
μC/μP
WAKE
PBSTAT
PWR_ON
I_LIM0
RST I_LIM1
V_LDO1
1.2V
10
18,19,20
11 ^DVCC
SDA
12
SW
9 ^6M
LED_OV
SCL
22
499k 499k
I_LED
17
WAKE
3 ^20k
LED_FS
16
14
PBSTAT _{PG_DCDC}
PWR_ON
21
1
2
I_LIM0
I_LIM1
33
SW1
4.7μH
PUSHBUTTON
15 _ON
28
LDO1
26
FB1
23
V_INLDO1
31
SW2
4.7μH
1μF
50V
22nF
6-LED BACKLIGHT
100k
10pF 1.02M _324k
10μF
V_OUT1
3.3V
500mA
V_OUT2
1.8V
75mA
1μF _464k
232k
27
LDO1_FB
25
FB2
10pF 806k _649k
10μF ^500mA
V_LDO2
2.5V
29
LDO2
5
SW3
3.3μH
V_OUT3
1.2V
150mA
1μF _470k
1.00M
24
LDO2_FB
7
FB3
10pF 232k _464k
10μF ^800mA
GND
45
V_OUT
SYSTEM
LOAD
3577 TA02
Figure 26. USB Plus 5V Adapter Input Charger, Multichannel Power Supply and PowerPath Controller
3577fa
50