Overview
The TPS79330DBVR is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. This compact and efficient component is designed for applications requiring stable and precise voltage regulation. It is housed in a SOT-23-5 package, making it suitable for space-constrained designs. The TPS79330DBVR is particularly targeted at portable electronics, IoT devices, and other low-power applications where energy efficiency and reliability are critical. Its unique selling points include low dropout voltage, high noise rejection, and low quiescent current, making it a competitive choice in the LDO market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.0 | V | Fixed |
| Input Voltage Range | 2.7 to 5.5 | V | |
| Output Current | 200 | mA | Max |
| Dropout Voltage | 112 | mV | @ 200mA |
| Quiescent Current | 170 | µA | Typical |
| PSRR | 70 | dB | @ 10 kHz |
| Noise | 32 | µVRMS | |
| Operating Temperature | -40 to 125 | °C |
Key Features
- Low dropout voltage for efficient power management.
- High power supply rejection ratio (PSRR) for noise-sensitive applications.
- Low quiescent current enhances battery life in portable devices.
- Compact SOT-23-5 package for space-constrained designs.
- Stable operation with a small ceramic output capacitor (2.2 µF).
Applications
The TPS79330DBVR is widely used in portable electronics, IoT devices, and battery-powered applications. Its low dropout voltage and high PSRR make it ideal for powering RF components, sensors, and microcontrollers in noise-sensitive environments. Additionally, its compact size and low power consumption are advantageous in wearable devices, medical instruments, and industrial control systems.
Q & A
1. What is the output voltage of the TPS79330DBVR?
The TPS79330DBVR provides a fixed output voltage of 3.0 V.
2. What is the maximum input voltage for this regulator?
The maximum input voltage is 5.5 V.
3. What is the typical dropout voltage at 200 mA?
The typical dropout voltage is 112 mV at 200 mA.
4. Is the TPS79330DBVR suitable for battery-powered devices?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered applications.
5. What is the PSRR of this LDO regulator?
The PSRR is 70 dB at 10 kHz.
6. Can this regulator operate in high-temperature environments?
Yes, it operates reliably in temperatures ranging from -40°C to 125°C.
7. What is the typical quiescent current of the TPS79330DBVR?
The typical quiescent current is 170 µA.
8. What package does the TPS79330DBVR come in?
It is available in a SOT-23-5 package.
9. Is an external capacitor required for stability?
Yes, a small ceramic capacitor of 2.2 µF is recommended for stability.
10. What are the key applications of this regulator?
It is commonly used in portable electronics, IoT devices, and noise-sensitive applications like RF components.
