Overview
The TPS73633DBVR is a high-accuracy, ultra-low-dropout voltage regulator produced by Texas Instruments. This device utilizes an NMOS pass transistor in a voltage-follower configuration, ensuring stability with or without an output capacitor. It is designed for applications requiring low dropout voltage, high precision, and minimal noise. The TPS73633DBVR is particularly suited for portable and noise-sensitive applications due to its low current consumption and advanced BiCMOS process.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 1.7 | 5.5 | V | |
| Output Voltage Range | 1.20 | 5.0 | V | |
| Output Current | 400 | mA | ||
| Dropout Voltage | 75 | mV | ||
| Line Regulation | 0.01 | %/V | ||
| Load Regulation | 0.002 | %/mA | ||
| Output Noise Voltage | 30 | µVRMS | ||
| Operating Junction Temperature | -40 | 125 | °C | |
| Thermal Shutdown Temperature | 160 | °C | ||
| Enable Pin Current | 0.02 | 0.1 | µA | |
| Shutdown Current | < 1 | µA |
Key Features
- Stable operation with or without an output capacitor, or any value or type of capacitor.
- Input voltage range of 1.7V to 5.5V.
- Ultra-low dropout voltage of 75mV typical.
- Excellent load transient response with or without an optional output capacitor.
- NMOS topology providing low reverse leakage current.
- Low noise output of 30µVRMS typical (10Hz to 100kHz).
- High accuracy with 0.5% initial accuracy and 1% overall accuracy over line, load, and temperature.
- Less than 1µA maximum quiescent current in shutdown mode.
- Thermal shutdown and specified minimum and maximum current limit protection.
- Available in fixed and adjustable output voltage versions.
Applications
- Portable electronic devices due to low current consumption and high efficiency.
- Noise-sensitive applications such as powering Voltage-Controlled Oscillators (VCOs).
- Systems requiring high precision and low dropout voltage.
- Embedded systems and IoT devices where power efficiency and stability are crucial.
Q & A
- What is the input voltage range of the TPS73633DBVR?
The input voltage range is from 1.7V to 5.5V.
- What is the maximum output current of the TPS73633DBVR?
The maximum output current is 400mA.
- Does the TPS73633DBVR require an output capacitor for stability?
No, the TPS73633DBVR is stable with or without an output capacitor.
- What is the typical dropout voltage of the TPS73633DBVR?
The typical dropout voltage is 75mV.
- What is the operating junction temperature range of the TPS73633DBVR?
The operating junction temperature range is from -40°C to 125°C.
- What protection features does the TPS73633DBVR have?
The device has thermal shutdown and foldback current limit protection.
- How much current does the TPS73633DBVR consume in shutdown mode?
The current consumption in shutdown mode is less than 1µA.
- What is the typical output noise voltage of the TPS73633DBVR?
The typical output noise voltage is 30µVRMS (10Hz to 100kHz).
- Is the TPS73633DBVR suitable for noise-sensitive applications?
Yes, it is designed for noise-sensitive applications such as powering VCOs due to its low noise output.
- What package options are available for the TPS73633DBVR?
The device is available in SOT-23 (DBV) package with 5 pins.
