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LTC4065EDC-4.4#TRMPBF PDF预览

LTC4065EDC-4.4#TRMPBF

更新时间： 2024-02-24 07:03:11
品牌 Logo 应用领域
凌特 - Linear 电源电路电池电源管理电路光电二极管
页数 文件大小 规格书
16页 196K
描述
LTC4065-4.4 - Standalone 750mA Li-Ion Battery Charger in 2 x 2 DFN; Package: DFN; Pins: 6; Temperature Range: -40°C to 85°C

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LTC4065EDC-4.4#TRMPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：DFN包装说明：HVSON, SOLCC6,.08,20
针数：6Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.16可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PDSO-N6
JESD-609代码：e3长度：2 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：6
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装等效代码：SOLCC6,.08,20封装形状：SQUARE
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：5 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Power Management Circuits
最大供电电流 (Isup)：0.25 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：3.75 V标称供电电压 (Vsup)：5 V
表面贴装：YES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：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：2 mmBase Number Matches：1

LTC4065EDC-4.4#TRMPBF 数据手册

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LTC4065/LTC4065A  
Standalone 750mA Li-Ion  
Battery Charger in 2 × 2 DFN  
U
FEATURES  
DESCRIPTIO  
The LTC®4065 is a complete constant-current/constant-  
voltage linear charger for single-cell lithium-ion batteries.  
Its2mm× 2mmDFNpackageandlowexternalcomponent  
count make the LTC4065 especially well-suited for por-  
table applications. Furthermore, LTC4065 is specifically  
designed to work within USB power specifications.  
■
Complete Linear Charger in 2mm × 2mm DFN  
Package  
■
C/10 Charge Current Detection Output  
■
Timer Termination  
■
Charge Current Programmable up to 750mA with  
5% Accuracy  
■
No External MOSFET, Sense Resistor or Blocking  
The CHRG pin indicates when charge current has dropped  
to ten percent of its programmed value (C/10). An internal  
timer terminates charging according to battery manufac-  
turer specifications.  
Diode Required  
■
Preset 4.2V Float Voltage with 0.6% Accuracy  
■
Constant-Current/Constant-Voltage Operation with  
Thermal Feedback to Maximize Charging Rate  
Without Risk of Overheating  
No external sense resistor or blocking diode is required  
due to the internal MOSFET architecture. Thermal feed-  
back regulates charge current to limit the die temperature  
during high power operation or high ambient temperature  
conditions.  
■
ACPR Pin Indicates Presence of Input Supply  
(LTC4065A Only)  
■
Charge Current Monitor Output for Gas Gauging  
■
Automatic Recharge  
■
Charges Single Cell Li-Ion Batteries Directly from  
When the input supply (wall adapter or USB supply) is  
removed, the LTC4065 automatically enters a low current  
state,droppingbatterydraincurrenttolessthan1µA.With  
power applied, LTC4065 can be put into shutdown mode,  
reducing the supply current to less than 20µA.  
USB Port  
■
20µA Supply Current in Shutdown Mode  
■
Soft-Start Limits Inrush Current  
■
Tiny 6-Lead (2mm × 2mm) DFN Package  
U
APPLICATIO S  
The full-featured LTC4065 also includes automatic re-  
charge, low-battery charge conditioning (trickle charg-  
ing), soft-start (to limit inrush current) and an open-drain  
status pin to indicate the presence of an adequate input  
voltage (LTC4065A only).  
■
Wireless PDAs  
■
Cellular Phones  
■
Portable Electronics  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
The LTC4065 is available in a tiny 6-lead, low profile  
(0.75mm) 2mm × 2mm DFN package.  
U
TYPICAL APPLICATIO  
Standalone Li-Ion Battery Charger  
500mA  
V
IN  
V
BAT  
LTC4065  
CHRG PROG  
EN GND  
CC  
4.3V TO 5.5V  
R1  
510Ω  
4.2V  
Li-Ion  
BATTERY  
C1  
1µF  
+
R3  
2k  
R2*  
1Ω  
4065 TA01  
*SERIES 1Ω RESISTOR ONLY NEEDED FOR INDUCTIVE INPUT SUPPLIES  
4065fb  
1
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