Overview
The TPS73101DBVT is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This model is designed to provide a stable and efficient power supply solution for a wide range of applications. It is particularly suitable for battery-powered devices, portable electronics, and other applications requiring low noise and high accuracy. The TPS73101DBVT stands out for its ultra-low dropout voltage, low quiescent current, and excellent transient response, making it a competitive choice in the LDO market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.2 to 5.5 | V | Adjustable |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 75 | mV | Typical at 150 mA |
| Quiescent Current | 1 | µA | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23-5 | ||
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.1 | %/mA | Typical |
| PSRR | 70 | dB | At 1 kHz |
| Enable Voltage | 1.5 | V | Minimum |
Key Features
- Ultra-low dropout voltage for efficient power management.
- Low quiescent current extends battery life in portable devices.
- Excellent transient response ensures stable operation under varying load conditions.
- High power supply rejection ratio (PSRR) minimizes noise interference.
- Wide operating temperature range for robust performance in harsh environments.
Applications
The TPS73101DBVT is widely used in various applications, including:
- Portable Electronics: Such as smartphones, tablets, and wearable devices, where low power consumption and compact size are critical.
- Battery-Powered Devices: Including wireless sensors, remote controls, and medical devices, benefiting from its low quiescent current.
- Industrial Equipment: Where stable and reliable power supply is essential for sensors, actuators, and control systems.
- Automotive Electronics: For infotainment systems, lighting, and other low-power applications requiring high performance in a wide temperature range.
Q & A
1. What is the maximum output current of the TPS73101DBVT?
The maximum output current is 150 mA.
2. What is the typical dropout voltage at 150 mA?
The typical dropout voltage is 75 mV.
3. What is the quiescent current of this LDO?
The typical quiescent current is 1 µA.
4. What is the operating temperature range?
The operating temperature range is -40 to 125 °C.
5. What package does the TPS73101DBVT come in?
It comes in an SOT-23-5 package.
6. What is the power supply rejection ratio (PSRR) at 1 kHz?
The PSRR is 70 dB at 1 kHz.
7. Can the output voltage be adjusted?
Yes, the output voltage is adjustable from 1.2 to 5.5 V.
8. What is the minimum enable voltage?
The minimum enable voltage is 1.5 V.
9. Is this LDO suitable for battery-powered devices?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered devices.
10. What are typical applications for the TPS73101DBVT?
Typical applications include portable electronics, battery-powered devices, industrial equipment, and automotive electronics.
