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LTC4001EUF#TRPBF PDF预览

LTC4001EUF#TRPBF

更新时间: 2024-09-20 21:11:43
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
20页 221K
描述
LTC4001 - 2A Synchronous Buck Li-Ion Charger; Package: QFN; Pins: 16; Temperature Range: -40°C to 85°C

LTC4001EUF#TRPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:QFN包装说明:HVQCCN,
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.15模拟集成电路 - 其他类型:BATTERY CHARGE CONTROLLER
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:4 V标称输入电压:5 V
JESD-30 代码:S-PQCC-N16JESD-609代码:e3
长度:4 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:
最大输出电流:2 A封装主体材料:PLASTIC/EPOXY
封装代码:HVQCCN封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:0.8 mm
表面贴装:YES切换器配置:SINGLE
最大切换频率:1700 kHz技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.65 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:4 mmBase Number Matches:1

LTC4001EUF#TRPBF 数据手册

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LTC4001  
2A Synchronous  
Buck Li-Ion Charger  
U
FEATURES  
DESCRIPTIO  
The LTC®4001 is a 2A Li-Ion battery charger intended for  
5V wall adapters. It utilizes a 1.5MHz synchronous buck  
converter topology to reduce power dissipation during  
charging. Low power dissipation, an internal MOSFET and  
sense resistor allow a physically small charger that can be  
embedded in a wide range of handheld applications. The  
LTC4001 includes complete charge termination circuitry,  
automatic recharge and a ±1% 4.2V float voltage. Input  
short-circuitprotectionisincludedsonoblockingdiodeis  
required.  
Low Power Dissipation  
2A Maximum Charge Current  
No External MOSFETs, Sense Resistor or Blocking  
Diode Required  
Remote Sensing at Battery Terminals  
Programmable Charge Termination Timer  
Preset 4.2V Float Voltage with ±0.5% Accuracy  
Programmable Charge Current Detection/Termination  
Automatic Recharge  
Thermistor Input for Temperature Qualified Charging  
Compatible with Current Limited Wall Adapters  
Battery charge current, charge timeout and end-of-charge  
indication parameters are set with external components.  
Additionalfeaturesincludeshortedcelldetection,tempera-  
ture qualified charging and overvoltage protection. The  
LTC4001 is available in a low profile (0.75mm) 16-lead  
(4mm × 4mm) QFN package.  
Low Profile 16-LUead (4mm × 4mm) QFN Package  
APPLICATIO S  
Handheld Battery-Powered Devices  
Handheld Computers  
Charging Docks and Cradles  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
Digital Cameras  
Smart Phones  
U
TYPICAL APPLICATIO  
2A Single Cell Li-Ion Battery Charger  
1.5µH  
Power Loss vs V  
BAT  
Charging (PWM Mode)  
SW  
SENSE  
1.25  
1.00  
0.75  
0.50  
0.25  
0
V
BATSENS  
BAT  
INSENSE  
PV  
V
IN  
4.5V TO 5.5V  
IN  
+
4.2V  
Li-Ion  
10µF  
10µF  
PGND  
LTC4001  
CHRG  
NTC  
FAULT  
EN  
PROG IDET TIMER  
SS GNDSENS  
V
= 5V  
IN  
2A CHARGER  
0.22µF  
0.1µF  
274  
3
3.25  
3.5  
V
3.75  
(V)  
4
4.25  
4001 TA01a  
BAT  
4001 TA01b  
4001f  
1

LTC4001EUF#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC4001EUF#PBF Linear

完全替代

LTC4001 - 2A Synchronous Buck Li-Ion Charger; Package: QFN; Pins: 16; Temperature Range: -

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