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LM3420AM5-8.4/NOPB PDF预览

LM3420AM5-8.4/NOPB

更新时间： 2024-11-24 02:58:19
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德州仪器 - TI 电池光电二极管
页数 文件大小 规格书
27页 1268K
描述
8.4-V Li-Ion Battery Charge Controller

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LM3420AM5-8.4/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOT-23
包装说明：LSSOP,针数：5
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.81Samacsys Description：Lithium-Ion Battery Charge Controller
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G5JESD-609代码：e3
长度：2.92 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：5最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：LSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.22 mm
最大供电电压 (Vsup)：8.484 V最小供电电压 (Vsup)：8.316 V
标称供电电压 (Vsup)：8.4 V表面贴装：YES
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.95 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：1.6 mm

LM3420AM5-8.4/NOPB 数据手册

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LM3420  
www.ti.com  
SNVS116D –MAY 1998–REVISED MAY 2013  
LM3420-4.2, -8.2, -8.4, -12.6, -16.8 Lithium-Ion Battery Charge Controller  
Check for Samples: LM3420  
1
FEATURES  
DESCRIPTION  
The LM3420 series of controllers are monolithic  
integrated circuits designed for charging and end-of-  
charge control for Lithium-Ion rechargeable batteries.  
The LM3420 is available in five fixed voltage versions  
for one through four cell charger applications (4.2V,  
8.2V/8.4V, 12.6V and 16.8V respectively).  
23  
•
Voltage Options for Charging 1, 2, 3 or 4 Cells  
Tiny SOT-23-5 Package  
•
•
•
•
Precision (0.5%) End-of-Charge Control  
Drive Capability for External Power Stage  
Low Quiescent Current, 85 μA (Typ.)  
Included in a very small package is an (internally  
compensated) op amp, a bandgap reference, an NPN  
output transistor, and voltage setting resistors. The  
amplifier's inverting input is externally accessible for  
loop frequency compensation. The output is an open-  
emitter NPN transistor capable of driving up to 15 mA  
of output current into external circuitry.  
APPLICATIONS  
•
•
Lithium-Ion Battery Charging  
Suitable for Linear and Switching Regulator  
Charger Designs  
A
trimmed precision bandgap reference utilizes  
temperature drift curvature correction for excellent  
voltage stability over the operating temperature  
range. Available with an initial tolerance of 0.5% for  
the A grade version, and 1% for the standard version,  
the LM3420 allows for precision end-of-charge control  
for Lithium-Ion rechargeable batteries.  
The LM3420 is available in a sub-miniature 5-lead  
surface mount package thus allowing very compact  
designs.  
Typical Application and Functional Diagram  
Figure 1. Typical Constant Current/Constant Voltage  
Li-Ion Battery Charger  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
SIMPLE SWITCHER is a trademark of Texas Instruments.  
2
3
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 1998–2013, Texas Instruments Incorporated  
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LM3420AM5-8.4/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM3420M5X-8.4/NOPB TI

完全替代

 8.4-V Li-Ion Battery Charge Controller
LM3420M5-8.4 TI

完全替代

 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5, MINIATURE, SOT-23, 5 PIN
LM3420AM5-8.4 TI

完全替代

 Lithium-Ion Battery Charge Controller 5-SOT-23 -40 to 125

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