Overview
The TPS73025DBVR is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It is designed to provide a stable 2.5V output voltage with high accuracy and low noise, making it suitable for sensitive electronic applications. The device operates with a wide input voltage range and features excellent power supply rejection ratio (PSRR), ensuring reliable performance even in noisy environments. This regulator is available in a small SOT-23-5 package, making it ideal for space-constrained applications. Its low quiescent current and thermal shutdown protection further enhance its suitability for battery-powered and portable devices. The TPS73025DBVR is widely used in consumer electronics, medical devices, and industrial systems.
Structure and Working Principle
The TPS73025DBVR integrates a voltage reference, error amplifier, and pass transistor to regulate the output voltage. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a constant output. The device achieves low dropout by minimizing the voltage difference between input and output, typically as low as 150mV at full load. The internal circuitry also includes protection features such as thermal shutdown and current limiting. These safeguards prevent damage from overheating or excessive load currents. The regulator requires external capacitors for stability, with recommended values specified in the datasheet to ensure optimal performance.
Key Features
The TPS73025DBVR offers several key features that make it a popular choice for voltage regulation. Its high PSRR (typically 70dB at 1kHz) ensures minimal output voltage fluctuations in the presence of input noise. The low output noise (typically 30µV RMS) is critical for audio and RF applications. Additionally, the device has a low quiescent current (typically 30µA), which extends battery life in portable devices. The wide input voltage range (2.2V to 5.5V) allows flexibility in various power supply designs. The thermal shutdown feature protects the device from overheating, enhancing reliability in demanding environments.
Application Areas
The TPS73025DBVR is used in a wide range of applications requiring stable and clean power. In portable electronics, it powers microcontrollers, sensors, and wireless modules. Medical devices benefit from its low noise and high accuracy, ensuring reliable operation of sensitive instrumentation. Industrial systems use this regulator for PLCs, motor control, and communication modules. Its small footprint and robust performance make it suitable for automotive infotainment and telematics systems. The device is also employed in IoT devices, where efficient power management is crucial for prolonged battery life.
Maintenance and Precautions
To ensure long-term reliability, proper thermal management is essential when using the TPS73025DBVR. Adequate PCB layout and heat dissipation measures should be implemented, especially in high-current applications. The device requires input and output capacitors for stability; using the recommended values and types is critical. Avoid exceeding the maximum input voltage or load current specifications to prevent damage. Environmental factors such as humidity and temperature should be considered during operation and storage. Regular inspection of solder joints and connections can help identify potential issues early.
B2B Procurement Guide
When procuring the TPS73025DBVR, verify the manufacturer's part number and packaging (tape and reel or cut tape) to match your production requirements. Lead times and minimum order quantities vary by supplier, so plan accordingly to avoid delays. Consider purchasing from authorized distributors to ensure authenticity and warranty coverage. Bulk pricing discounts are often available for large orders. Evaluate the supplier's reliability, technical support, and logistics capabilities. Request samples for testing before committing to large-volume purchases.
Related Manufacturers
- 主营：集成电路、单片机、主动/被动元器件
- 主营：可控硅、肖特基二极管、光电耦合器、集成电路、逻辑ic、传感器、运算放大器、音频放大器、双向可控硅、存储器、电源管理、处理器、控制器、模拟比较器、模块、电感磁珠、电阻排阻、半导体
- 主营：ST、TI、ADI、ATMEL、XILINX、罗姆、IR、NS、MAXIM、PHI、ON、士兰微、TE
- 主营：sy8133fcc、sy8083fcc、sy8823quc、panasonic、syt020abc、lt3092edd、sy8153fcc、ip101a-lf、ee-sx1140、m23636-15、转换器、sy8035dbc、tle4279g?、单片机、比较器、sy8163fcc、sy7066qmc、存储器、ps2701a-1、触发器、m031sd2ae、继电器、lmv651mfx、解码器、ps2805c-1
- 主营：可编程逻辑器件、易失性储存器、继电器、接口及驱动IC、电源管理芯片、单片机、模拟芯片、集成电路、滤波器、处理器及微控制器、逻辑芯片、时钟和计时器、存储器、光电子、传感器、放大器、NCE、TI、ST、GD、MICRON、MAXIM、ADI、WINBOND、ON
- 主营：rdt2302al、nvt2002dp、1n4567a-1、放大器、开关器、意法半、flashpro6、稳压器、tc647beua、xt30upb-m、接插件、flashpro5、控制器、1565986-1、1410187-3、2294700-r、2302800-r、连接器、742792796、ese23j101、监视器、dha-08tqr、6223a-srd、2301200-r、钽电容
- 主营：数字信号IC、NANR闪存、射频晶体管、微控制器-MCU、开关IC、放大器IC、电源管理IC、接口IC、存储器IC、滤波器、电阻器、电容器、集成电路 IC、时钟与定时Ic、驱动器IC、射频放大器IC、以太网 IC、RF 开关 IC、模数转换器-ADC
- 主营：连接器、线对板连接器、集成电路、板对线连接器、芯片、放大器、传感器、触摸屏、转换器、稳压器、接插件、线对线连接器、存储芯片、电源管理芯片、针座、控制器、压线端子、胶壳连接器、驱动芯片、电子元器件、单片机MCU、端子接插件、场效应管、肖特基二极管、处理器
- 主营：lmv604max、tb6575fng、fzt857qta、tk4k1a60f、ht67f5640、m1ma152wk、fqt13n06l、adm690aar、hcf4098be、接线座、mrf949bt1、hy2120-eb、l4008l6tp、tb62706bn、stn3p6f6l、比较器、lm4903mmx、hd74hc14p、mm54c949j、ad1580brt、stt5nf30l、触发器、st04-30f1、继电器、ac857bq-7
- 主营：晶闸管、lm3017lex、开关器、drv8800pw、lmv793max、lmv716mmx、lm5107max、lm5008amm、ds21348t+、lm5085mmx、监视器、lmh0041sq、lm5046mhx、lm3410xmf、lp55281tl、放大器、lm3421mhx、pa0593nlt、aw9330qnr、lm3464mhx、lp4062b5f、传感器、电子管、ds12c887+、ad1886jst
- 主营：lm5035bsq、lmv612max、lmv716mmx、lm3410xmf、cs10n15a4、sg6515dz.、lt3437edd、mb90f335a、lm4667mmx、lmh6505mm、lm324a-sr、lm3150mhx、tp2274-tr、lm96530sq、lmv601mgx、lm5037mtx、lm3481mmx、lmh0387sl、lm5085myx、mhf28515t、dvtr2815d、lm48511sq、ths4271dr、立体声、gps模块
- 主营：ad8619arz、锂电池、放大器、定时器、片电容、lm317mdtx、逆变器、稳压器、调制器、ldo稳压、丝印aaz、控制器、dmn601k-7、无线电、led驱动、万代aos、充电器、低功耗、三极管、收发器、处理器、计时器、存储器、隔离器、ao4619aos
- 主营：ld5530rgl、vsc7146qz、icm20608d、tps2812pw、ip175c-lf、nju7313al、lt1028csa、rtl8211dn、td62503fg、si2318cds、ita15n50a、dpc31/stc、max471csa、pic16f684、监视器、ax88796lf、gsl1680eo、lt1944ems、am27s29pc、wm8725ged、ssl21083t、sa58631tk、cs5321-bl、rtl8201cp、akm4386vt
- 主营：sy8133fcc、lm321h-tr、syn470ric、sy8083fcc、sy8823quc、ea3056qdr、cos2262sr、封装bga、syt020abc、aip1638ic、fd6288tic、sy8153fcc、ip101a-lf、syn531ric、m23636-15、转换器、sy8035dbc、cos4428sr、tle4279g?、比较器、sy8163fcc、sy7066qmc、syn480ric、bm8563esa、ps2701a-1
- 主营：封装bga、pic12f508、二极管、tps562200、tps560200、tps51225c、tps54202h、tps2560drc、tps560430x、tps767d301、tps2121rux、tps3808g01、tps3700ddc、tps2392pwr、tps2552dbv、tps5410dg4、tps40195pw、驱动器、mt29f1g08、mt29f2g08、控制器、封装dip、封装qfp、pic12f1501、xcf02sv020