Overview
The TPS73101DBVR is a high-accuracy, ultra-low-dropout voltage regulator produced by Texas Instruments. This device is part of the TPS731xx family, which utilizes a new NMOS pass element in a voltage-follower configuration. This topology ensures stability with or without output capacitors and provides high reverse blockage and low reverse current. The TPS73101DBVR is ideal for applications requiring low dropout voltage, high precision, and minimal current consumption, making it suitable for a variety of electronic systems, including portable and battery-powered devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 1.7 V to 5.5 V | V |
| Output Current | Up to 150 mA | mA |
| Dropout Voltage | 30 mV (typical at 150 mA) | mV |
| Output Voltage Accuracy | 0.5% initial, 1% overall (line, load, and temperature) | % |
| Noise | 30 µV RMS (10 kHz to 100 kHz) | µV |
| Shutdown Current | Less than 1 µA | µA |
| Thermal Shutdown Temperature | 160 °C (shutdown), 140 °C (reset) | °C |
| Operating Junction Temperature | -40 °C to 125 °C | °C |
| Package | SOT-23 (DBV), 5 pins |
Key Features
- Stable with or without output capacitors of any type
- Ultra-low dropout voltage: 30 mV typical at 150 mA
- Excellent load transient response with or without optional output capacitor
- NMOS topology providing low reverse leakage current
- Low noise: 30 µV RMS typical (10 kHz to 100 kHz)
- High accuracy: 0.5% initial, 1% overall (line, load, and temperature)
- Less than 1 µA maximum IQ in shutdown mode
- Thermal shutdown and specified minimum and maximum current limit protection
- Available in multiple output voltage versions: fixed outputs from 1.2 V to 5 V and adjustable outputs from 1.2 V to 5.5 V
Applications
- Smart Grid and Energy
- Building Automation
- Set-Top Boxes
- Medical Equipment
- Test and Measurement
- Point-of-Sale Terminals
- Wireless Infrastructure
- Portable and battery-powered equipment
- Post-regulation for switching supplies
- Noise-sensitive circuitry such as VCOs
- Point of load regulation for DSPs, FPGAs, ASICs, and microprocessors
Q & A
- What is the input voltage range of the TPS73101DBVR?
The input voltage range is from 1.7 V to 5.5 V.
- What is the typical dropout voltage of the TPS73101DBVR?
The typical dropout voltage is 30 mV at 150 mA load.
- What is the output current capability of the TPS73101DBVR?
The device can supply up to 150 mA of output current.
- Does the TPS73101DBVR require an output capacitor for stability?
No, the device is stable with or without output capacitors of any type.
- What is the noise level of the TPS73101DBVR?
The noise level is 30 µV RMS typical from 10 kHz to 100 kHz.
- What is the shutdown current of the TPS73101DBVR?
The shutdown current is less than 1 µA.
- What are the thermal shutdown and reset temperatures for the TPS73101DBVR?
The thermal shutdown temperature is 160 °C, and the reset temperature is 140 °C.
- In what package is the TPS73101DBVR available?
The device is available in a SOT-23 (DBV) package with 5 pins.
- What are some common applications for the TPS73101DBVR?
Common applications include smart grid and energy, building automation, medical equipment, test and measurement, and wireless infrastructure.
- Does the TPS73101DBVR have built-in protection features?
Yes, it includes thermal shutdown and specified minimum and maximum current limit protection).
- Can the output voltage of the TPS73101DBVR be adjusted?
Yes, the device is available in fixed and adjustable output voltage versions, ranging from 1.2 V to 5.5 V).
