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LTC4085 Datasheet(PDF) 2 Page - Linear Technology

Part # LTC4085
Description  USB Power Manager with Ideal Diode Controller and Li-Ion Charger
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4085 Datasheet(HTML) 2 Page - Linear Technology

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LTC4085
2
4085fc
(Notes 1, 2, 3, 4, 5)
Terminal Voltage
IN, OUT
t < 1ms and Duty Cycle < 1% .................. –0.3V to 7V
Steady State............................................. –0.3V to 6V
BAT, CHRG, HPWR, SUSP, WALL, ACPR....... –0.3V to 6V
NTC, TIMER, PROG, CLPROG....... –0.3V to (VCC + 0.3V)
Pin Current (Steady State)
IN, OUT, BAT (Note 6)...............................................2.5A
Operating Temperature Range.................. –40°C to 85°C
Maximum Operating Junction Temperature .......... 110°C
Storage Temperature Range................... –65°C to 125°C
The
l indicates specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 5V, VBAT = 3.7V, HPWR = 5V, WALL = 0V, RPROG = 100k,
RCLPROG = 2k, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Input Supply Voltage
IN and OUT
4.35
5.5
V
VBAT
Input Voltage
BAT
4.3
V
IIN
Input Supply Current
IBAT = 0 (Note 7)
Suspend Mode; SUSP = 5V
Suspend Mode; SUSP = 5V, WALL = 5V,
VOUT = 4.8V
l
l
l
0.5
50
60
1.2
100
110
mA
μA
μA
IOUT
Output Supply Current
VOUT = 5V, VIN = 0V, NTC = VNTC
l
0.7
1.4
mA
IBAT
Battery Drain Current
VBAT = 4.3V, Charging Stopped
Suspend Mode; SUSP = 5V
VIN = 0V, BAT Powers OUT, No Load
l
l
l
15
22
60
27
35
100
μA
μA
μA
VUVLO
Input or Output Undervoltage Lockout
VIN Powers Part, Rising Threshold
VOUT Powers Part, Rising Threshold
l
l
3.6
2.75
3.8
2.95
4
3.15
V
V
ΔVUVLO
Input or Output Undervoltage Lockout
VIN Rising – VIN Falling
or VOUT Rising – VOUT Falling
130
mV
Current Limit
ILIM
Current Limit
RCLPROG = 2k (0.1%), HPWR = 5V
RCLPROG = 2k (0.1%), HPWR = 0V
l
l
475
90
500
100
525
110
mA
mA
IIN(MAX)
Maximum Input Current Limit
(Note 8)
2.4
A
RON
ON Resistance VIN to VOUT
IOUT = 100mA Load
215
m
Ω
PIN CONFIGURATION
1
2
3
4
5
6
7
14
13
12
11
10
9
8
BAT
GATE
PROG
CHRG
ACPR
VNTC
NTC
IN
OUT
CLPROG
HPWR
SUSP
TIMER
WALL
TOP VIEW
15
DE PACKAGE
14-LEAD (4mm
3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 40°C/W
EXPOSED PAD (PIN 15) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4085EDE#PBF
LTC4085EDE#TRPBF
4085
14-Lead (4mm
× 3mm) Plastic DFN
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ABSOLUTE MAXIMUM RATINGS
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS


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