参数资料
| 型号： | LTC4095EDC#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER LI-ION/POLY 8-DFN |
| 标准包装： | 2,500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 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： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN（2x2） |
| 包装： | 带卷 (TR) |
LTC4095
ELECTRICAL CHARACTERISTICS The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. IN = HPWR = 5V, BAT = 3.8V, NTC = SUSP = 0V, R PROG = 1.74k unless
otherwise speci?ed.
SYMBOL
t RECHRG
t TERM
t BADBAT
h C/10
t C/10
R ON_CHG
PARAMETER
Recharge Comparator Filter Time
Safety Timer Termination Period
Bad-Battery Termination Time
End of Charge Indication Current Level
End of Charge Comparator Filter Time
Battery Charger Power FET On-
CONDITIONS
BAT Falling
BAT = V FLOAT
BAT < V TRKL
(Note 5)
I BAT Falling
I BAT = 200mA
MIN
3.5
0.4375
0.09
TYP
1.7
4
0.5
0.1
2.2
500
MAX
4.5
0.5625
0.11
UNITS
ms
Hour
Hour
mA/mA
ms
m Ω
Resistance (Between IN and BAT)
T LIM
Junction Temperature in Constant
115
°C
Temperature
NTC
V COLD
V HOT
Cold Temperature Fault Threshold
Voltage
Hot Temperature Fault Threshold
Voltage
Rising NTC Voltage
Hysteresis
Falling NTC Voltage
Hysteresis
0.750 ? IN 0.765 ? IN 0.780 ? IN
0.016 ? IN
0.334 ? IN 0.349 ? IN 0.364 ? IN
0.016 ? IN
V
V
V
V
V DIS
NTC Disable Threshold Voltage
Falling NTC Voltage
●
0.007 ? IN 0.017 ? IN 0.027 ? IN
mV
Hysteresis
0.010 ? IN
mV
I NTC
NTC Leakage Current
NTC = IN = 5V
–1
0
1
μA
Logic (HPWR, SUSP, ? C ? H ? R ? G)
V IL
V IH
Input Low Voltage
Input High Voltage
HPWR, SUSP Pins
HPWR, SUSP Pins
1.2
0.4
V
V
R DN
C ? H ? ? R ? G
I ? C ? H ? R ? G
Logic Pin Pull-Down Resistance
? C H ? R ? G ? Pin Output Low Voltage
? C ? H ? R ? G Pin Input Current
HPWR, SUSP Pins
I ? C ? H ? R ? G = 5mA
BAT = 4.5V, ? C ? H ? R ? G = 5V
●
1.9
3.6
100
0
6.3
250
1
M Ω
mV
μA
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: The LTC4095 is guaranteed to meet performance speci?cations
from 0°C to 85°C. Speci?cations over the –40°C to 85°C operating
Note 4: IN supply current does not include current through the PROG pin
or any current delivered to the battery through the BAT pin. Total input
current is equal to this speci?cation plus 1.00125 ? I BAT where I BAT is the
charge current.
Note 5: h C/10 is expressed as a fraction of measured full charge current
with indicated PROG resistor.
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the speci?ed maximum operating junction
temperature may impair device reliability.
4095fa
3
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