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LTC3577 Datasheet(PDF) 18 Page - Linear Technology

Part # LTC3577
Description  Highly Integrated 6-Channel Portable PMIC
PDF  52 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3577 Datasheet(HTML) 18 Page - Linear Technology

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LTC3577/LTC3577-1
18
3577f
PIN FUNCTIONS
39
+
–
15mV
VOUT
HRST UVLO
IDEAL
DIODE
CC/CV
CHARGER
WALL
DETECT
500mA, 2.25MHz
BUCK REGULATOR
INPUT
CURRENT
LIMIT
OVERTEMP BATTERY
SAFETY DISCHARGE
OVERVOLTAGE
PROTECTON
BATTERY
TEMP
MONITOR
ILIM
LOGIC
I2C
LOGIC
40V LED BACKLIGHT
BOOST CONVERTER
0.8V
EN
PG
500mA, 2.25MHz
BUCK REGULATOR
0.8V
EN
PG
800mA, 2.25MHz
BUCK REGULATOR
0.8V
PG_DCDC
EN
PG
0.8V
150mA
LDO1
EN
37
IDGATE
38
BAT
32
VIN12
36
PROG
33
SW1
26
FB1
25
FB2
5
SW3
7
FB3
31
SW2
23
VINLD01
6
VIN3
28
21
DVCC
10
PBSTAT
16
SW
18,19,20
LED_OV
21
LDO1
27
LDO1_FB
0.8V
150mA
LDO2
EN
30
VINLD02
29
LDO2
24
45
LDO2_FB
3577 BD
230ms
FALLING
DELAY
CHRG
44
CHRGE
STATUS
ILED
22
LED_FS
3
DAC
0.8V
GND
SDA
11
SCL
12
PWR_ON
14
NTC
35
NTCBIAS
34
CLPROG
43
VBUS
OVSENS
40
ILIM1
2
ILIM0
1
WAKE
17
ON
15
PUSH-
BUTTON
INPUT
8
OVGATE
13
WALL
4
ACPR
41
VC
CONTROL
VC
42
CHRG (Pin 44): Open-Drain Charge Status Output. The
CHRG pin indicates the status of the battery charger. If
CHRG is high then the charger is near the float voltage
(charge current less than 1/10th programmed charge cur-
rent) or charging is complete and charger is disabled. A low
on CHRG indicates that the charger is enabled. For more
information see the “Charge Status Indication” section.
Exposed Pad (Pin 45): Ground. The exposed package pad
is ground and must be soldered to the PC board for proper
functionality and for maximum heat transfer.
BLOCK DIAGRAM



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