Overview
The TPS7A0228PDBVR is a low-dropout (LDO) voltage regulator produced by Texas Instruments. Designed for applications requiring high efficiency and low noise, this LDO regulator is part of Texas Instruments' extensive portfolio of power management solutions. The TPS7A0228PDBVR is particularly suitable for battery-powered devices, IoT applications, and portable electronics due to its low quiescent current and high PSRR (Power Supply Rejection Ratio). Its compact SOT-23 package makes it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 1.4 to 6.5 | V | |
| Output Voltage Range | 0.8 to 5.0 | V | Adjustable |
| Output Current | 300 | mA | |
| Dropout Voltage | 150 | mV | at 300 mA |
| Quiescent Current | 30 | µA | |
| PSRR | 70 | dB | at 1 kHz |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23-5 |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with low input-to-output voltage differentials.
- Low Quiescent Current: Ideal for battery-powered applications, extending battery life.
- High PSRR: Provides excellent noise rejection, making it suitable for sensitive analog circuits.
- Adjustable Output Voltage: Offers flexibility for various application requirements.
- Compact Package: SOT-23-5 package saves board space in compact designs.
Applications
The TPS7A0228PDBVR is widely used in applications requiring stable and efficient voltage regulation. Key application areas include:
- Portable Electronics: Smartphones, tablets, and wearable devices benefit from its low quiescent current and small footprint.
- IoT Devices: Ensures reliable power management in connected devices with limited power budgets.
- Industrial Automation: Provides stable voltage for sensors, controllers, and communication modules.
- Consumer Electronics: Used in audio devices, cameras, and other gadgets requiring low-noise power supplies.
Q & A
1. What is the input voltage range of the TPS7A0228PDBVR?
The input voltage range is 1.4V to 6.5V.
2. Can the output voltage be adjusted?
Yes, the output voltage is adjustable from 0.8V to 5.0V.
3. What is the maximum output current?
The maximum output current is 300 mA.
4. How low is the dropout voltage?
The dropout voltage is 150 mV at 300 mA.
5. What is the quiescent current of this LDO?
The quiescent current is 30 µA.
6. What is the PSRR of the TPS7A0228PDBVR?
The PSRR is 70 dB at 1 kHz.
7. What package does this LDO come in?
It comes in a SOT-23-5 package.
8. Is this LDO suitable for battery-powered devices?
Yes, its low quiescent current makes it ideal for battery-powered applications.
9. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
10. Can this LDO be used in industrial applications?
Yes, it is suitable for industrial automation and other demanding environments.
