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参数资料
| 型号： | LTC4070IMS8E#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHRGR LIION/POLY 8MSOP |
| 产品培训模块： | LTC4070 - Li-Ion/Polymer Shunt Battery Charger System |
| 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） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 8-MSOP-EP |
| 包装： | 带卷 (TR) |
LTC4070
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
junction temperature range. V NTC = V CC , T A = 25°C unless otherwise specified. Current into a pin is positive and current out of a pin is
negative. All voltages are referenced to GND unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
High Battery Status
V HBTH
HBO Threshold (V FLOAT – V CC )
V CC Rising
l
15
40
60
mV
V HBHY
Hysteresis
100
mV
Low Battery Statu s
V LBTH
V LBHY
LBO Threshold
Hysteresis
V CC Falling
l
3.08
220
3.2
290
3.34
350
V
mV
Status Outputs HBO/LBO
V OL
V OH
CMOS Output Low
CMOS Output High
I SINK = 1mA, V CC = 3.7V
V LBO : V CC = 3.1V, I SOURCE = –100μA
V HBO : I CC = 1.5mA, I SOURCE = –500μA
l
l
V CC – 0.6
0.5
V
V
3-State Selection Input: ADJ
V ADJ
I ADJ(Z)
ADJ Input Level
Allowable ADJ Leakage Current in
Floating State
Input Logic Low Level
Input Logic High Level
l
l
l
V CC – 0.3
0.3
±3
V
V
μA
NTC
I NTC
I NTCBIAS
?V FLOAT(NTC)
NTC TH1
NTC TH2
NTC TH3
NTC TH4
NTC Leakage Current
Average NTCBIAS Sink Current
Delta Float Voltage per NTC Comparator
Step
NTC Comparator Falling Thresholds
0V< NTC < V CC
Pulsed Duty Cycle < 0.002%
I CC = 1mA, NTC Falling Below One of the
NTC TH Thresholds
ADJ = 0V
ADJ = Float
ADJ = V CC
V NTC as % of V NTCBIAS Amplitude
–50
35.5
28.0
21.8
16.8
0
30
–50
–75
–100
36.5
29.0
22.8
17.8
50
37.5
30.0
23.8
18.8
nA
pA
mV
mV
mV
%
%
%
%
NTC HY
Hysteresis
30
mV
Drive Output
I DRV(SOURCE)
I DRV(SINK)
DRV Output Source Current
DRV Output Sink Current
V CC = 3.1V, V DRV = 0V
I CC = 1mA, R DRV = 475k (Note 3)
–1
3
mA
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 LTC4070 is tested under pulsed load conditions such that
T J ≈ T A . The LTC4070E is guaranteed to meet performance specifications
for junction temperatures from 0°C to 85°C. Specifications over the
–40°C to 125°C operating junction temperature range are assured by
design, characterization and correlation with statistical process controls.
The LTC4070I is guaranteed over the full –40°C to 125°C operating
junction temperature range. Note that the maximum ambient temperature
consistent with these specifications is determined by specific operating
conditions in conjunction with board layout, the rated package thermal
resistance and other environmental factors.
Note 3: The I DRV(SNK) current is tested by pulling the DRV pin up to V CC
through a 475k resistor, R DRV . Pulling the DRV pin up to V CC with low
impedance disables the regulator.
4070fc
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4071 | 制造商:LINEAR 制造商全称:LINEAR 功能描述:Li-Ion/Polymer Shunt Battery Charger System with Low Battery Disconnect |
| LTC4071EDDB | 制造商:LINEAR 制造商全称:LINEAR 功能描述:Li-Ion/Polymer Shunt Battery Charger System with Low Battery Disconnect |
| LTC4071EDDB#TRPBF | 功能描述:IC LI-ION/POLY BATT CHRGR 8-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:61 系列:- 功能:电源管理 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:22-WFDFN 裸露焊盘 供应商设备封装:22-DFN（6x3）裸露焊盘 包装:管件 |
| LTC4071EMS8E | 制造商:LINEAR 制造商全称:LINEAR 功能描述:Li-Ion/Polymer Shunt Battery Charger System with Low Battery Disconnect |
| LTC4071EMS8E#PBF | 功能描述:IC LI-ION/POLY BATT CHRGR 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 其它有关文件:STC3100 View All Specifications 特色产品:STC3100 - Battery Monitor IC 标准包装:4,000 系列:- 功能:燃料，电量检测计/监控器 电池化学:锂离子（Li-Ion） 电源电压:2.7 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-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MiniSO 包装:带卷 (TR) 其它名称:497-10526-2 |
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