Overview
The TPS76733QPWP is a low-dropout linear voltage regulator produced by Texas Instruments. This device is part of the TPS767xx family, known for its fast transient response and stability with low ESR capacitors, making it a high-performance regulator at a reasonable cost. The TPS76733QPWP is specifically designed to provide a fixed output voltage of 3.3V with a maximum current of 1A. It is suitable for a wide range of applications, including battery-powered systems, due to its low quiescent current and thermal shutdown protection.
Key Specifications
| Specification | Value |
|---|---|
| Output Voltage | 3.3V (fixed) |
| Output Current | Up to 1A |
| Dropout Voltage | Typically 230 mV at 1 A (TPS76750) |
| Quiescent Current | Typically 85 µA over the full range of output current |
| Output Voltage Tolerance | 2% over specified conditions |
| Package Type | 20-Pin HTSSOP (PWP) with Exposed Pad |
| Operating Temperature Range | -40°C to 125°C |
| Thermal Shutdown Protection | Yes |
| Power-On Reset | Open Drain with 200-ms Delay |
| Load Regulation | 3 mV |
| Output Noise Voltage | 55 µVrms (BW = 200 Hz to 100 kHz, Co = 10 µF) |
Key Features
- Fast transient response and stability with 10 µF low ESR capacitors
- Low dropout voltage down to 230 mV at 1 A
- Ultralow quiescent current of typically 85 µA
- 2% tolerance over specified conditions for fixed-output versions
- Open drain power-on reset with 200-ms delay
- Thermal shutdown protection
- Sleep mode with quiescent current reduced to 1 µA at TJ = 25°C
- Available in 8-pin SOIC and 20-pin TSSOP PowerPAD™ (PWP) packages
Applications
The TPS76733QPWP is suitable for a variety of applications, including:
- Battery-powered systems, where low quiescent current and low dropout voltage are critical for extended battery life.
- Microcomputer and microprocessor systems, where the power-on reset and undervoltage detection features are beneficial.
- Automotive systems, where the device's robust operating temperature range and reliability are essential.
- General-purpose voltage regulation in industrial and consumer electronics.
Q & A
- What is the output voltage of the TPS76733QPWP?
The output voltage of the TPS76733QPWP is 3.3V.
- What is the maximum output current of the TPS76733QPWP?
The maximum output current is 1A.
- What is the typical dropout voltage of the TPS76733QPWP at 1A output current?
The typical dropout voltage is 230 mV at 1A output current.
- What is the quiescent current of the TPS76733QPWP?
The quiescent current is typically 85 µA over the full range of output current.
- What is the output voltage tolerance of the TPS76733QPWP?
The output voltage tolerance is 2% over specified conditions.
- What package types are available for the TPS76733QPWP?
The device is available in 20-Pin HTSSOP (PWP) with Exposed Pad.
- What is the operating temperature range of the TPS76733QPWP?
The operating temperature range is -40°C to 125°C.
- Does the TPS76733QPWP have thermal shutdown protection?
Yes, it does have thermal shutdown protection.
- What is the power-on reset feature of the TPS76733QPWP?
The device features an open drain power-on reset with a 200-ms delay.
- How does the sleep mode affect the quiescent current of the TPS76733QPWP?
In sleep mode, the quiescent current is reduced to 1 µA at TJ = 25°C.
