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参数资料
| 型号： | LTC4069EDC#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 11/18页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER LI-ION 6-DFN |
| 标准包装： | 500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 3.75 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WFDFN 裸露焊盘 |
| 供应商设备封装： | 6-DFN-EP（2x2） |
| 包装： | 带卷 (TR) |
LTC4069
OPERATION
value of the NTC thermistor drops to 0.53 times the value
of R NOM , which corresponds to approximately 40°C, and
when the value of the NTC thermistor increases to 3.26
times the value of R NOM , which corresponds to approx-
imately 0°C. Hold mode freezes the timer and stops the
charge cycle until the thermistor indicates a return to a
valid temperature. For a Vishay NTHS0603N01N1003J
thermistor, this value is 32.6k which corresponds to
V CC
R NOM
0.76 ? V CC
approximately 0°C. The hot and cold comparators each
have approximately 3°C of hysteresis to prevent oscillation
about the trip point.
When the charger is in Hold mode (battery temperature is
either too hot or too cold) the CHRG pin pulses in a 2Hz,
25% duty cycle frequency unless the charge task is finished
or the battery is assumed to be defective. If the NTC pin
is grounded, the NTC function will be disabled.
6
NTC
TOO COLD
R NTC
TOO HOT
0.35 ? V CC
+
NTC_ENABLE
0.016 ? V CC
–
4069 F03
Figure 3. NTC Circuit Information
11
For more information www.linear.com/LTC4069
4069fc
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4069EDC-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Standalone 750mA Li-Ion Battery Charger in 2 × 2 DFN with NTC Thermistor Input |
| LTC4070 | 制造商:LINEAR 制造商全称:LINEAR 功能描述:Ultralow Voltage Step-Up Converter and Power Manager |
| LTC4070EDDB | 制造商:LINER 制造商全称:Linear Technology 功能描述:Li-Ion/Polymer Shunt Battery Charger System |
| LTC4070EDDB#PBF | 制造商:Linear Technology 功能描述:Battery Charger Li-Ion/Li-Pol 50mA 4.2V 10-Pin DFN EP Bulk 制造商:Linear Technology 功能描述:IC BATTERY CHARGER 50mA DFN-8 制造商:Linear Technology 功能描述:IC, BATTERY CHARGER, 50mA, DFN-8 制造商:Linear Technology 功能描述:IC, BATTERY CHARGER, 50mA, DFN-8; Battery Type:Li-Ion, Li-Polymer; Battery Charge Voltage:4.2V; Charge Current Max:50mA; Battery IC Case Style:DFN; No. of Pins:8; No. of Series Cells:1; Operating Temperature Min:-40C ;RoHS Compliant: Yes |
| LTC4070EDDB#TRMPBF | 功能描述:IC LI-ION/POLY BATT CHARGER 8DFN 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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