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參數(shù)資料
| 型號： | LTC4085EDE-3#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | POWER SUPPLY MANAGEMENT CKT, PDSO14 |
| 封裝： | 4 X 3 MM, PLASTIC, MO-229, DFN-14 |
| 文件頁數(shù)： | 19/24頁 |
| 文件大小： | 275K |
| 代理商： | LTC4085EDE-3#TRPBF |
LTC4085-3
4
40853f
The ● indicates specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 5V, VBAT = 3.7V, HPWR = 5V, WALL = 0V, RPROG = 100k,
RCLPROG = 2k, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
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 110°C when overtemperature protection is
active. Continuous operation above the specied maximum operating
junction temperature may result in device degradation or failure.
Note 5: The LTC4085E-3 is guaranteed to meet specied performance
from 0° to 85°C. Specications 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 specication plus 1.002 IBAT
where IBAT is the charge current.
Note 8: Accuracy of programmed current may degrade for currents greater
than 1.5A.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
External Ideal Diode
VFWD,EDA
External Ideal Diode Forward Voltage
VGATE = 1.85V; IGATE = 0
20
mV
Logic
VOL
Output Low Voltage CHRG, ACPR
ISINK = 5mA
●
0.1
0.4
V
VIH
Input High Voltage
SUSP, HPWR Pin
●
1.2
V
VIL
Input Low Voltage
SUSP, HPWR Pin
●
0.4
V
IPULLDN
Logic Input Pull-Down Current
SUSP, HPWR
2
μA
VCHG(SD)
Charger Shutdown Threshold Voltage
on TIMER
●
0.14
0.4
V
ICHG(SD)
Charger Shutdown Pull-Up Current
on TIMER
VTIMER = 0V
●
514
μA
VWAR
Absolute Wall Input Threshold Voltage
VWALL Rising Threshold
●
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
●
025
60
mV
IWALL
Wall Input Current
VWALL = 5V
75
150
μA
NTC
VVNTC
VNTC Bias Voltage
IVNTC = 500μA
●
4.4
4.85
V
INTC
NTC Input Leakage Current
VNTC = 1V
0
±1
μA
VCOLD
Cold Temperature Fault Threshold
Voltage
Rising Threshold
Hysteresis
0.738 VVNTC
0.018 VVNTC
V
VHOT
Hot Temperature Fault Threshold
Voltage
Falling Threshold
Hysteresis
0.326 VVNTC
0.015 VVNTC
V
VDIS
NTC Disable Voltage
NTC Input Voltage to GND (Falling)
Hysteresis
●
75
100
35
125
mV
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