LTC3577EUFF#PBF Linear Technology, LTC3577EUFF#PBF Datasheet - Page 50

• Manufacturer Part Number: LTC3577EUFF#PBF
• Description: IC PWR MANAGEMENT HANDHELD 44QFN
• Manufacturer: Linear Technology

Specifications of LTC3577EUFF#PBF

• Applications: Handheld/Mobile Devices
• Voltage - Supply: 4.35 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -

LTC3577/LTC3577-1
TYPICAL APPLICATIONS
50
ADAPTER
5V WALL
Figure 26. USB Plus 5V Adapter Input Charger, Multichannel Power Supply and PowerPath Controller
OPTIONAL OVERVOLTAGE/
REVERSE VOLTAGE PROTECTION
150mA
V
V
RST
75mA
LDO1
LDO2
1.2V
2.5V
Si2333DS
μC/μP
PWR_ON
PBSTAT
WAKE
DV
I
I
R1
USB
SDA
LIM0
LIM1
SCL
CC
1μF
1μF
D3
464k
470k
PUSHBUTTON
Si2306BDS
6.2k
499k
2.1k
232k
1.00M
10μF
2k
499k
13
40
43
36
10
11
12
17
16
14
15
28
27
29
24
8
1
2
OVGATE
OVSENSE
V
CLPROG
PROG
DV
SDA
SCL
WAKE
PBSTAT
PWR_ON
I
I
ON
LDO1
LDO1_FB
LDO2
LDO2_FB
LIM0
LIM1
BUS
V
CC
C
42
LTC3577
WALL
GND
PG_DCDC
4
NTCBIAS
45
V
LED_OV
V
LED_FS
IDGATE
INLDO2
INLDO1
CHRG
ACPR
V
V
SW1
SW2
SW3
V
IN12
NTC
I
BAT
OUT
FB1
FB2
FB3
SW
LED
IN3
41
30
39
32
6
44
37
38
34
35
18,19,20
9
22
3
21
33
26
23
31
25
5
7
100k
20k
6M
2.2μF
10μF
4.7μH
4.7μH
3.3μH
2.2μF
22nF
100k
NTC
10pF
10pF
10pF
Si2333DS
1k
1.02M
806k
232k
+
6-LED BACKLIGHT
Si2333DS
(OPT)
Li-Ion
324k
649k
464k
100k
10μH
BAT
10μF
10μF
10μF
ZLLS400
OPTIONAL SYSTEM
LOAD DISCONNECT
Si2306BDS
20μF
499k
V
1.8V
500mA
V
1.2V
800mA
OUT2
OUT3
V
3.3V
500mA
Si2333DS
OUT1
3577 TA02
1μF
50V
V
SYSTEM
LOAD
OUT
3577fa