Overview
The TPS767D301-EP dual-voltage regulator, produced by Texas Instruments, is designed to offer fast transient response, low dropout (LDO) voltages, and dual outputs in a compact package. This device is particularly suited for mixed-output voltage applications, including those requiring split-supply voltages. It is primarily used in DSP (Digital Signal Processing) applications but can be utilized in any scenario where multiple output voltages are necessary. Each regulator can support up to 1 A of output current, making it versatile for various power requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | 28-pin PWP (TSSOP) | |
| Operating Temperature Range | -55 to 125 | °C |
| Output Current Range | 0 mA to 1.0 A | |
| Output Voltage | 3.3 V / Adjustable (1.5 V to 5.5 V) | V |
| Dropout Voltage | Typically 350 mV at 1 A | mV |
| Quiescent Current | Typically 85 µA | µA |
| Quiescent Current During Shutdown | 1 µA | µA |
| Power-On Reset Delay | 200 ms for each regulator | ms |
| Thermal Shutdown Protection | Yes |
Key Features
- Dual output voltages for split-supply applications
- Fast transient response
- Low dropout voltage (typically 350 mV at 1 A)
- Ultra-low quiescent current (typically 85 µA)
- Quiescent current during shutdown of 1 µA
- Dual active-low reset (RESET) signals for core logic and I/O
- Thermal shutdown protection for each regulator
- Output voltage tolerance of 3% over line, load, and temperature
- Adjustable output voltage (programmable over the range of 1.5 V to 5.5 V)
- Stable operation with 10-µF low-ESR output capacitors
- Shutdown mode reducing quiescent current to 1 µA
Applications
The TPS767D301-EP is designed primarily for DSP applications but is versatile enough to be used in any mixed-output voltage application. It is particularly useful in systems requiring dual output voltages, such as:
- Digital Signal Processing (DSP) systems
- Microcomputer and microprocessor systems
- Battery-powered systems where low quiescent current is crucial
- Systems requiring split-supply voltages
- Applications needing fast transient response and low dropout voltages
Q & A
- What is the primary application of the TPS767D301-EP?
The TPS767D301-EP is primarily designed for DSP (Digital Signal Processing) applications.
- What is the output current range of the TPS767D301-EP?
The output current range is from 0 mA to 1.0 A per regulator.
- What are the available output voltages for the TPS767D301-EP?
The device offers a fixed 3.3 V output and an adjustable output (programmable over the range of 1.5 V to 5.5 V).
- What is the typical dropout voltage of the TPS767D301-EP?
The typical dropout voltage is 350 mV at 1 A.
- What is the quiescent current of the TPS767D301-EP?
The quiescent current is typically 85 µA.
- Does the TPS767D301-EP have a shutdown mode?
Yes, the device features a shutdown mode that reduces the quiescent current to 1 µA.
- What is the thermal shutdown protection feature of the TPS767D301-EP?
The device includes thermal shutdown protection for each regulator.
- How does the TPS767D301-EP handle undervoltage conditions?
The device has an internal comparator that monitors the output voltage to detect undervoltage conditions and initiates a reset in microcomputer and microprocessor systems.
- What is the operating temperature range of the TPS767D301-EP?
The operating temperature range is from -55°C to 125°C.
- What type of package is the TPS767D301-EP available in?
The device is available in a 28-pin PWP (TSSOP) package.
