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TLS4125D0EP V50 PDF预览

TLS4125D0EP V50

更新时间: 2024-11-06 14:56:19
品牌 Logo 应用领域
英飞凌 - INFINEON 时钟电池开关DC-DC转换器软启动过载保护
页数 文件大小 规格书
39页 4888K
描述
OPTIREG?开关TLS4125D0EP V50是一款同步降压型DC-DC转换器,专为汽车应用而设计。该器件的电流能力为2.5 A,输出为5 V固定电压, ?PWM模式下的反馈电压精度为+/- 1.5%。器件集成功率级、软启动和补偿功能,从而减少所需的外部组件数量,进而降低了系统成本并节省板空间。宽输入电压范围(3.7 V – 35V)和100%占空比运行模式使该器件适用汽车应用的电池启动场景。器件的宽开关频率范围使得可以选用适当的电感和电容。开关频率可以与外部时钟信号同步。在PWM模式下,可以启动扩频调频功能来改善电磁干扰。在轻负载时,器件在PFM模式下工作,电流消耗低,从而提高了效率。在停用模式下, 电流消耗降低到典型值1μA。TLS4125D0EP V50能够检测输出电压的欠压或过压,并通过复位输出信号来反映。过流和过载保护可以避免出现过电流,从而在降压转换器输出端发生短路时保护器件。此外,集成的热关断功能还可以防止器件过热。增强裸露焊盘的PG-TSDSO-14封装能够提升器件热性能。 ?

TLS4125D0EP V50 数据手册

 浏览型号TLS4125D0EP V50的Datasheet PDF文件第2页浏览型号TLS4125D0EP V50的Datasheet PDF文件第3页浏览型号TLS4125D0EP V50的Datasheet PDF文件第4页浏览型号TLS4125D0EP V50的Datasheet PDF文件第5页浏览型号TLS4125D0EP V50的Datasheet PDF文件第6页浏览型号TLS4125D0EP V50的Datasheet PDF文件第7页 
OPTIREGswitcher TLS4125D0EPV50  
2.8 MHz synchronous step down regulator  
Features  
2.5 A step down regulator  
Input voltage from 3.7 V to 35 V  
5 V output voltage  
±1.5% feedback voltage accuracy in PWM mode  
Ultra low current consumption 31 µA  
Integrated high side and low side power MOSFETs  
Peak current mode PWM regulation  
Light load PFM mode with improved efficiency  
Switching frequency range: 320 kHz to 560 kHz or 1.6 MHz to 2.8 MHz  
100% duty cycle operation  
Synchronization input  
Spread spectrum frequency modulation for improved EMI performance  
Soꢀ-start function  
Integrated compensation network  
Output discharge function in disabled state  
Ultra low current consumption in disabled state (typically 1 µA)  
Undervoltage monitoring  
Overvoltage monitoring  
Overcurrent protection and overload protection  
Input undervoltage shutdown  
Wide temperature range Tj = -40°C to 150°C  
Green Product (RoHS compliant)  
Potential applications  
Body  
ADAS  
Infotainment, telematics  
Navigation  
Product validation  
Qualified for automotive applications. Product validation according to AEC-Q100.  
Datasheet  
Please read the Important Notice and Warnings at the end of this document  
Rev. 1.02  
www.infineon.com/OPTIREG-switcher  
2021-02-05  

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