Overview
The Texas Instruments TPS73625DBVT is a high-performance, low-dropout (LDO) linear voltage regulator. This device is part of the TPS736 series, which utilizes an advanced BiCMOS process to achieve high precision and very low dropout voltages. The TPS73625DBVT is specifically designed to provide a fixed output voltage of 2.5V and is suitable for a wide range of applications, particularly in portable and power-sensitive designs.
Key attributes include its ability to operate without an output capacitor, ultra-low dropout voltage, and low ground pin current, making it an ideal choice for applications requiring high stability and low noise.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Part Number | TPS73625DBVT | |
| Package | SOT-23-5 | |
| Output Voltage | Fixed 2.5V | |
| Output Current | Up to 400mA | |
| Input Voltage Range | 1.7V to 5.5V | |
| Dropout Voltage | Typically 75mV at 400mA | |
| Operating Temperature Range | -40°C to 125°C | |
| Thermal Shutdown Temperature | 160°C (shutdown), 140°C (reset) | |
| Output Noise Voltage | Typically 30µVRMS (10Hz to 100kHz) | |
| Enable Pin Current | Less than 1µA in shutdown mode |
Key Features
- Stable operation with no output capacitor or any value or type of capacitor
- Input voltage range of 1.7V to 5.5V
- Ultra-low dropout voltage: typically 75mV
- Excellent load transient response—with or without optional output capacitor
- NMOS topology delivering low reverse leakage current
- Low noise: typically 30µVRMS (10Hz to 100kHz)
- 0.5% initial accuracy and 1% overall accuracy over line, load, and temperature
- Less than 1µA maximum quiescent current in shutdown mode
- Thermal shutdown and specified minimum/maximum current limit protection
Applications
The TPS73625DBVT is designed for various applications that require high precision, low noise, and low dropout voltage. These include:
- Portable electronics such as smartphones, tablets, and laptops
- Powering Voltage-Controlled Oscillators (VCOs) due to its low output noise
- Industrial control systems and automation
- Medical devices requiring stable and low-noise power supply
- Aerospace and defense applications where reliability and precision are critical
Q & A
- What is the output voltage of the TPS73625DBVT?
The output voltage of the TPS73625DBVT is fixed at 2.5V.
- What is the maximum output current of the TPS73625DBVT?
The maximum output current of the TPS73625DBVT is up to 400mA.
- What is the input voltage range for the TPS73625DBVT?
The input voltage range for the TPS73625DBVT is from 1.7V to 5.5V.
- Does the TPS73625DBVT require an output capacitor for stable operation?
No, the TPS73625DBVT can operate stably without an output capacitor or with any value or type of capacitor.
- What is the typical dropout voltage of the TPS73625DBVT?
The typical dropout voltage of the TPS73625DBVT is 75mV at 400mA output current.
- What is the operating temperature range of the TPS73625DBVT?
The operating temperature range of the TPS73625DBVT is -40°C to 125°C.
- What protection features does the TPS73625DBVT have?
The TPS73625DBVT has thermal shutdown and foldback current limit protection.
- How much quiescent current does the TPS73625DBVT consume in shutdown mode?
The TPS73625DBVT consumes less than 1µA in shutdown mode.
- What is the typical output noise voltage of the TPS73625DBVT?
The typical output noise voltage of the TPS73625DBVT is 30µVRMS (10Hz to 100kHz).
- What are some common applications for the TPS73625DBVT?
Common applications include portable electronics, VCOs, industrial control systems, medical devices, and aerospace and defense applications.
