Overview
The TPS73233DBVR is a high-accuracy, ultra-low-dropout voltage regulator produced by Texas Instruments. This device is part of the TPS732 series and is designed for applications requiring precise voltage regulation with minimal dropout voltage. The TPS73233DBVR features an NMOS pass transistor in a voltage-follower configuration, ensuring stability with or without an output capacitor. It is particularly suited for portable and noise-sensitive applications due to its low current consumption and high precision.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TPS73233DBVR |
| Package | SOT-23 (DBV) - 5 pins |
| Operating Temperature Range | -40°C to 125°C |
| Input Voltage Range | 1.7V to 5.5V |
| Output Voltage | Fixed 3.3V |
| Output Current | 250mA |
| Dropout Voltage | 40mV typical at 250mA |
| Initial Accuracy | 0.5% |
| Overall Accuracy (Line, Load, Temperature) | 1% |
| Noise (10kHz to 100kHz) | 30µVRMS typical |
| Shutdown Current | |
| Thermal Shutdown | Yes |
| Current Limit Protection | Yes |
Key Features
- Stable operation with or without an output capacitor
- Ultra-low dropout voltage: 40mV typical at 250mA
- Excellent load transient response
- Low noise: 30µVRMS typical (10kHz to 100kHz)
- High precision: 0.5% initial accuracy and 1% overall accuracy
- Low reverse leakage current due to NMOS topology
- Thermal shutdown and foldback current limit protection
- Enable function for power management
- Less than 1µA maximum IQ in shutdown mode
Applications
The TPS73233DBVR is suitable for a variety of applications, including:
- Portable electronics where low power consumption is critical
- Noise-sensitive circuits such as those powering VCOs (Voltage-Controlled Oscillators)
- Systems requiring high precision voltage regulation
- Embedded systems and IoT devices
- Automotive and industrial control systems where reliability and precision are essential
Q & A
- What is the typical dropout voltage of the TPS73233DBVR?
The typical dropout voltage is 40mV at 250mA. - Does the TPS73233DBVR require an output capacitor for stability?
No, the TPS73233DBVR is stable with or without an output capacitor. - What is the input voltage range of the TPS73233DBVR?
The input voltage range is from 1.7V to 5.5V. - What is the maximum output current of the TPS73233DBVR?
The maximum output current is 250mA. - Does the TPS73233DBVR have thermal shutdown protection?
Yes, it has thermal shutdown protection. - What is the noise level of the TPS73233DBVR?
The noise level is 30µVRMS typical from 10kHz to 100kHz. - What is the package type and pin count of the TPS73233DBVR?
The package type is SOT-23 (DBV) with 5 pins. - What is the operating temperature range of the TPS73233DBVR?
The operating temperature range is -40°C to 125°C. - Does the TPS73233DBVR have an enable function?
Yes, it has an enable function for power management. - What is the shutdown current of the TPS73233DBVR?
The shutdown current is less than 1µA.
