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TPS2049DG4 PDF预览

TPS2049DG4

更新时间： 2024-09-20 04:48:55
品牌 Logo 应用领域
德州仪器 - TI 电源电路开关电源管理电路电源开关光电二极管
页数 文件大小 规格书
13页 247K
描述
SINGLE-CHANNEL 100 mA POWER SWITCH

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中文翻译

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TPS2049DG4 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：GREEN, PLASTIC, MS-012AA, SOIC-8
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.14Is Samacsys：N
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-609代码：e4
长度：4.9 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：8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：SOP封装等效代码：SOP8,.5
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260电源：5.5 V
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Power Management Circuits最大供电电流 (Isup)：0.07 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.7 V
标称供电电压 (Vsup)：5 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

TPS2049DG4 数据手册

 浏览型号TPS2049DG4的Datasheet PDF文件第2页浏览型号TPS2049DG4的Datasheet PDF文件第3页浏览型号TPS2049DG4的Datasheet PDF文件第4页浏览型号TPS2049DG4的Datasheet PDF文件第5页浏览型号TPS2049DG4的Datasheet PDF文件第6页浏览型号TPS2049DG4的Datasheet PDF文件第7页 
TPS2049  
www.ti.com  
SLVS713–OCTOBER 2006  
SINGLE-CHANNEL 100 mA POWER SWITCH  
FEATURES  
•
•
•
SOIC-8 Package  
•
•
•
•
•
•
•
•
•
100-mA Continuous Current  
Ambient Temperature Range: –40°C to 85°C  
2 µS Response Time to Short Circuit  
600-mΩ High-Side MOSFET  
Thermal and Short-Circuit Protection  
Operating Range: 2.7 V to 5.5 V  
0.6-ms Typical Rise Time  
GND  
IN  
OUT  
OUT  
OUT  
Undervoltage Lockout  
Deglitched Fault Report (OC)  
43 µA Quiescent Supply Current  
1-µA Maximum Standby Supply Current  
IN  
EN  
OC  
DESCRIPTION  
The TPS2049 power-distribution switch is intended for applications where heavy capacitive loads and short  
circuits are likely to be encountered. This device incorporates a 600-mΩ N-channel MOSFET power switch for  
power-distribution systems that require only one power distribution path. The switch is controlled by a logic  
enable input. Gate drive is provided by an internal charge pump designed to control the power-switch rise times  
and fall times to minimize current surges during switching. The charge pump requires no external components  
and allows operation from supplies as low as 2.7V.  
When the output load exceeds the current-limit threshold or a short is present, the device limits the output  
current to a safe level by switching into a constant-current mode, pulling the overcurrent (OC) logic output low.  
When continuous heavy overloads and short circuits increase the power dissipation in the switch, causing the  
junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a  
thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures the switch  
remains off until valid input voltage is present. This power-distribution switch is designed to set current limit at  
150mA typically.  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2006, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...13

中文翻译

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TPS2049DG4 替代型号

型号 品牌 替代类型 描述 数据表
LM3525M-L/NOPB TI

类似代替

 0.5A 负载、2.7-5.5V、80mΩ USB 电源开关 | D | 8 | -40
LM3525M-H/NOPB TI

类似代替

 0.5A 负载、2.7-5.5V、80mΩ USB 电源开关 | D | 8 | -40
TPS2049D TI

类似代替

 SINGLE-CHANNEL 100 mA POWER SWITCH

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