LTC3577EUFF#PBF Linear Technology, LTC3577EUFF#PBF Datasheet - Page 51

• 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: -

TYPICAL APPLICATIONS
(TRANSIENTS
8V TO 38V
TO 60V)
HV
IN
USB
4.7μF
150mA
V
V
Figure 27. USB Plus HV Input Charger, Multichannel Power Supply and PowerPath Controller
RST
75mA
LDO1
LDO2
1.2V
2.5V
μC/μP
PWR_ON
PBSTAT
OVERVOLTAGE
WAKE
PROTECTION
DV
I
I
SDA
LIM0
LIM1
OPTIONAL
SCL
Si2306BDS
68nF
6.2k
CC
1μF
1μF
40.2k
NC
NC
PUSHBUTTON
464k
470k
150k
10
499k
4
5
6
7
232k
1.00M
V
RUN/SS
RT
SYNC
PG
2.1k
2k
IN
GND
10μF
499k
11
LT3480
13
40
43
36
10
11
12
17
16
14
15
28
27
29
24
8
1
2
OVGATE
OVSENSE
BOOST
V
CLPROG
PROG
DV
SDA
SCL
WAKE
PBSTAT
PWR_ON
I
I
ON
LDO1
LDO1_FB
LDO2
LDO2_FB
LIM0
LIM1
BUS
V
V
CC
C
C
SW
BD
42
9
FB
LTC3577
WALL
GND
2
3
1
8
PG_DCDC
4
NTCBIAS
45
V
LED_OV
V
LED_FS
IDGATE
INLDO2
INLDO1
CHRG
ACPR
V
V
SW1
SW2
SW3
V
NTC
I
IN12
BAT
OUT
FB1
FB2
FB3
SW
LED
IN3
0.47μF
DFLS240L
41
6.8μH
30
39
32
6
44
37
38
34
35
18,19,20
9
22
3
21
33
26
23
31
25
5
7
100k
10M
20k
2.2μF
10μF
4.7μH
4.7μH
3.3μH
499k
100k
OPTIONAL HIGH VOLTAGE
2.2μF
22nF
BUCK INPUT
100k
NTC
10pF
10pF
10pF
22μF
1k
1.02M
806k
232k
Si2333DS
+
LTC3577/LTC3577-1
Si2333DS
(OPT)
10-LED BACKLIGHT
Li-Ion
324k
649k
464k
100k
10μH
BAT
10μF
10μF
10μF
V
SYSTEM
LOAD
ZLLS400
OUT
20μF
V
3.3V
500mA
V
1.8V
500mA
V
1.2V
800mA
OUT1
OUT2
OUT3
3577 TA03
1μF
50V
51
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