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参数资料
| 型号： | LTC4085EDE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | IC USB POWER MANAGER 14-DFN |
| 标准包装： | 91 |
| 功能： | 电源管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 4.35 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-DFN-EP（4x3） |
| 包装： | 管件 |
| 产品目录页面： | 1341 (CN2011-ZH PDF) |
LTC4085
ELECTRICAL CHARACTERISTICS
The l indicates specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V IN = 5V, V BAT = 3.7V, HPWR = 5V, WALL = 0V, R PROG = 100k,
R CLPROG = 2k, unless otherwise noted.
SYMBOL
V CHG(SD)
PARAMETER
Charger Shutdown Threshold Voltage
on TIMER
CONDITIONS
l
MIN
0.15
TYP
MAX
0.4
UNITS
V
I CHG(SD)
Charger Shutdown Pull-Up Current
on TIMER
V TIMER = 0V
l
5
14
μA
V WAR
Absolute Wall Input Threshold Voltage
V WALL Rising Threshold
l
4.15
4.25
4.35
V
V WAF
V WDR
Absolute Wall Input Threshold Voltage
Delta Wall Input Threshold Voltage
V WALL Falling Threshold
V WALL – V BAT Rising Threshold
3.12
75
V
mV
V WDF
I WALL
Delta Wall Input Threshold Voltage
Wall Input Current
V WALL – V BAT Falling Threshold
V WALL = 5V
l
0
25
75
50
150
mV
μA
NTC
V VNTC
I NTC
V COLD
V HOT
V NTC Bias Voltage
NTC Input Leakage Current
Cold Temperature Fault Threshold
Voltage
Hot Temperature Fault Threshold
Voltage
I VNTC = 500μA
V NTC = 1V
Rising Threshold
Hysteresis
Falling Threshold
Hysteresis
l
4.4
4.85
0
0.74 ? V VNTC
0.02 ? V VNTC
0.29 ? V VNTC
0.01 ? V VNTC
±1
V
μA
V
V
V
V
V DIS
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: V CC is the greater of V IN , V OUT or V BAT .
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
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 ? I BAT
where I BAT is the charge current.
Note 8: Accuracy of programmed current may degrade for currents greater
than 1.5A.
active. Continuous operation above the specified maximum operating
junction temperature may result in device degradation or failure.
4085fd
4
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相关代理商/技术参数 |
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| LTC4085EDE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with Ideal Diode Controller and Li-Ion Charger |
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