Overview
The TPS70451PWP is a dual-output, low-dropout (LDO) voltage regulator produced by Texas Instruments. This product is designed to provide stable and efficient power supply solutions for a wide range of applications. It is particularly suitable for systems requiring multiple voltage rails, such as microcontrollers, DSPs, and FPGAs. The TPS70451PWP features high accuracy, low noise, and thermal shutdown protection, making it a reliable choice for both industrial and consumer electronics. Its compact HTSSOP-20 package ensures easy integration into space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.5 to 6.5 | V | |
| Output Voltage 1 | Adjustable or Fixed (1.2 to 5.5) | V | |
| Output Voltage 2 | Adjustable or Fixed (1.2 to 5.5) | V | |
| Output Current | 1 | A | Per channel |
| Dropout Voltage | 300 | mV | At full load |
| Quiescent Current | 85 | µA | Per channel |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | HTSSOP-20 |
Key Features
- Dual Independent Outputs: Provides two separate voltage rails for systems requiring multiple power supplies.
- High Accuracy: Ensures precise voltage regulation with ±1% accuracy.
- Low Noise: Minimizes output noise for sensitive applications.
- Thermal Shutdown Protection: Safeguards the device from overheating.
- Compact Package: HTSSOP-20 package for space-efficient designs.
Applications
The TPS70451PWP is widely used in applications requiring multiple voltage rails, such as:
- Industrial Automation: Powering sensors, controllers, and communication modules.
- Consumer Electronics: Providing stable power for portable devices, audio systems, and displays.
- Automotive Electronics: Supporting infotainment systems, navigation units, and ADAS modules.
- Medical Devices: Ensuring reliable power for diagnostic and monitoring equipment.
Q & A
1. What is the input voltage range of the TPS70451PWP?
The input voltage range is 2.5V to 6.5V.
2. Can the output voltages be adjusted?
Yes, both output voltages can be adjusted from 1.2V to 5.5V.
3. What is the maximum output current per channel?
The maximum output current per channel is 1A.
4. Does the TPS70451PWP support thermal shutdown?
Yes, it includes thermal shutdown protection.
5. What is the dropout voltage at full load?
The dropout voltage is 300mV at full load.
6. What is the quiescent current per channel?
The quiescent current is 85µA per channel.
7. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
8. What package does the TPS70451PWP use?
It uses the HTSSOP-20 package.
9. Is the TPS70451PWP suitable for automotive applications?
Yes, it is suitable for automotive electronics.
10. Does the TPS70451PWP have low noise output?
Yes, it features low noise output for sensitive applications.
