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LTC4075EDD PDF预览

LTC4075EDD

更新时间： 2024-11-12 05:43:59
品牌 Logo 应用领域
凌特 - Linear 电池
页数 文件大小 规格书
16页 189K
描述
Dual Input USB/AC Adapter Standalone Li-Ion Battery Chargers

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中文翻译

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LTC4075EDD 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：DFN包装说明：HVSON, SOLCC10,.12,20
针数：10Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.13可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PDSO-N10
JESD-609代码：e0长度：3 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：10
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装等效代码：SOLCC10,.12,20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）：235
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)：0.8 mA最大供电电压 (Vsup)：8 V
最小供电电压 (Vsup)：4.3 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL端子面层：Tin/Lead (Sn/Pb)
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：20
宽度：3 mmBase Number Matches：1

LTC4075EDD 数据手册

 浏览型号LTC4075EDD的Datasheet PDF文件第2页浏览型号LTC4075EDD的Datasheet PDF文件第3页浏览型号LTC4075EDD的Datasheet PDF文件第4页浏览型号LTC4075EDD的Datasheet PDF文件第5页浏览型号LTC4075EDD的Datasheet PDF文件第6页浏览型号LTC4075EDD的Datasheet PDF文件第7页 
LTC4075/LTC4075X  
Dual Input USB/AC  
Adapter Standalone Li-Ion  
Battery Chargers  
U
DESCRIPTIO  
FEATURES  
The LTC®4075/LTC4075X are standalone linear chargers  
that are capable of charging a single-cell Li-Ion battery  
from both wall adapter and USB inputs. The chargers can  
detect power at the inputs and automatically select the  
appropriate power source for charging.  
■
Charges Single-Cell Li-Ion Batteries from Wall  
Adapter and USB Inputs  
■
Automatic Input Power Detection and Selection  
■
Charge Current Programmable up to 950mA from  
Wall Adapter Input  
■
No External MOSFET, Sense Resistor or Blocking  
No external sense resistor or blocking diode is required  
for charging due to the internal MOSFET architecture.  
Internal thermal feedback regulates the battery charge  
currenttomaintainaconstantdietemperatureduringhigh  
power operation or high ambient temperature conditions.  
The float voltage is fixed at 4.2V and the charge current  
is programmed with an external resistor. The LTC4075  
terminatesthechargecyclewhenthechargecurrentdrops  
below the programmed termination threshold after the  
final float voltage is reached. With power applied to both  
inputs, the LTC4075/LTC4075X can be put into shutdown  
modereducingtheDCINsupplycurrentto20µA,theUSBIN  
supply current to 10µA, and the battery drain current to  
less than 2µA.  
Diode Needed  
■
Thermal Regulation Maximizes Charging Rate  
Without Risk of Overheating*  
■
Preset Charge Voltage with 0.ꢀ6 Accuracy  
■
Programmable Charge Current Termination  
■
18µA USB Suspend Current in Shutdown  
■
Independent “Power Present” Status Outputs  
■
Charge Status Output  
Automatic Recharge  
■
■
Available Without Trickle Charge (LTC4075X)  
■
Available in a Thermally Enhanced, Low Profile  
(0.75mm) 10-Lead (3mm × 3mm) DFN Package  
U
APPLICATIO S  
Other features include automatic recharge, undervoltage  
lockout, charge status outputs, and “power present”  
status outputs to indicate the presence of wall adapter  
or USB power.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
*Protected by U.S. patents, including 6522118, 6700364  
■
Cellular Telephones  
■
Handheld Computers  
■
Portable MP3 Players  
Digital Cameras  
■
U
Complete Charge Cycle (1100mAh Battery)  
TYPICAL APPLICATIO  
1000  
800  
600  
400  
200  
Dual Input Battery Charger for Single-Cell Li-Ion  
800mA (WALL)  
0
4.2  
LTC4075  
DCIN  
500mA (USB)  
WALL  
ADAPTER  
CONSTANT VOLTAGE  
BAT  
4.0  
3.8  
3.6  
3.4  
USBIN = 5V  
USB  
USBIN  
IUSB  
IDC  
4.2V  
+
T
= 25°C  
PORT  
1µF  
2k  
A
IDC  
SINGLE CELL  
R
R
= 1.25k  
= 2k  
Li-Ion BATTERY  
IUSB  
ITERM  
1µF  
5.0  
2.5  
0
1%  
1.24k  
1%  
GND  
2k  
1%  
–2.5  
4075 TA01  
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
TIME (HR)  
4075 TA01b  
4075Xf  
1
1234567...16

中文翻译

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