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LTC4066 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC4066
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

LTC4066 Datasheet(HTML) 4 Page - Linear Technology

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LTC4085
4
4085fd
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCHG(SD)
Charger Shutdown Threshold Voltage
on TIMER
l
0.15
0.4
V
ICHG(SD)
Charger Shutdown Pull-Up Current
on TIMER
VTIMER = 0V
l
514
μA
VWAR
Absolute Wall Input Threshold Voltage
VWALL Rising Threshold
l
4.15
4.25
4.35
V
VWAF
Absolute Wall Input Threshold Voltage
VWALL Falling Threshold
3.12
V
VWDR
Delta Wall Input Threshold Voltage
VWALL – VBAT Rising Threshold
75
mV
VWDF
Delta Wall Input Threshold Voltage
VWALL – VBAT Falling Threshold
l
025
50
mV
IWALL
Wall Input Current
VWALL = 5V
75
150
μA
NTC
VVNTC
VNTC Bias Voltage
IVNTC = 500μA
l
4.4
4.85
V
INTC
NTC Input Leakage Current
VNTC = 1V
0
±1
μA
VCOLD
Cold Temperature Fault Threshold
Voltage
Rising Threshold
Hysteresis
0.74 • VVNTC
0.02 • VVNTC
V
V
VHOT
Hot Temperature Fault Threshold
Voltage
Falling Threshold
Hysteresis
0.29 • VVNTC
0.01 • VVNTC
V
V
VDIS
NTC Disable Voltage
NTC Input Voltage to GND (Falling)
Hysteresis
l
75
100
35
125
mV
mV
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: VCC is the greater of VIN, VOUT or VBAT.
Note 3: All voltage values are with respect to GND.
Note 4: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperatures will exceed 125°C when overtemperature protection is
active. Continuous operation above the specified maximum operating
junction temperature may result in device degradation or failure.
Note 5: The LTC4085E is guaranteed to meet specified performance from
0°C to 85°C. Specifications over the –40°C to 85°C operating temperature
range are assured by design, characterization and correlation with
statistical process controls.
Note 6: Guaranteed by long term current density limitations.
Note 7: Total input current is equal to this specification plus 1.002 • IBAT
where IBAT is the charge current.
Note 8: Accuracy of programmed current may degrade for currents greater
than 1.5A.
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.
ELECTRICAL CHARACTERISTICS


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