Overview
The TPS70950DBVT is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments, designed for applications requiring ultra-low quiescent current and high efficiency. This component is part of the TPS709 series, known for its low dropout voltage and wide input voltage range. The TPS70950DBVT is particularly suitable for battery-powered devices, IoT applications, and other power-sensitive systems where minimizing power consumption is critical. Its compact SOT-23 package makes it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Low-Dropout (LDO) Regulator | - | - |
| Output Current | 150 | mA | - |
| Input Voltage Range | Up to 30 | V | - |
| Output Voltage | 5 | V | Fixed |
| Dropout Voltage | 300 | mV | Typical |
| Quiescent Current | 1 | µA | Typical |
| PSRR | 80 | dB | Typical |
| Operating Temperature | -40 to 125 | °C | - |
| Package | SOT-23-5 | - | - |
Key Features
- Ultra-low quiescent current (1 µA typical) for extended battery life.
- Wide input voltage range up to 30V, suitable for various power sources.
- Low dropout voltage (300 mV typical) for efficient power conversion.
- High PSRR (80 dB typical) for noise-sensitive applications.
- Compact SOT-23 package for space-constrained designs.
- Integrated protection features including thermal shutdown, current limit, and reverse current protection.
Applications
The TPS70950DBVT is widely used in applications where power efficiency and compact design are critical. Typical applications include battery-powered devices such as IoT sensors, wearable electronics, and portable medical devices. It is also suitable for industrial automation, consumer electronics, and automotive systems, where its low quiescent current and high reliability ensure optimal performance. Additionally, its enable pin allows for power management in systems requiring dynamic power control.
Q & A
1. What is the maximum input voltage for the TPS70950DBVT?
The maximum input voltage is 30V.
2. What is the typical quiescent current of this LDO?
The typical quiescent current is 1 µA.
3. What is the dropout voltage of the TPS70950DBVT?
The typical dropout voltage is 300 mV.
4. What package does the TPS70950DBVT come in?
It is available in a SOT-23-5 package.
5. Does this LDO have thermal shutdown protection?
Yes, it includes thermal shutdown protection.
6. What is the output voltage of the TPS70950DBVT?
The output voltage is fixed at 5V.
7. Can this LDO be used in battery-powered applications?
Yes, its ultra-low quiescent current makes it ideal for battery-powered devices.
8. What is the PSRR of the TPS70950DBVT?
The typical PSRR is 80 dB.
9. Is the TPS70950DBVT suitable for automotive applications?
Yes, it is suitable for automotive systems due to its reliability and wide input voltage range.
10. Does this LDO have an enable pin?
Yes, it includes an enable pin for power management.
