Overview
The TPS73625MDBVREP is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. It is part of the TPS736xx family, which utilizes a new NMOS pass element in a voltage-follower configuration. This design ensures stability with low ESR output capacitors and allows operation without any output capacitor if necessary. The regulator is known for its high precision, low dropout voltage, and low ground-pin current, making it ideal for various applications, especially in portable and noise-sensitive devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-23 (DBV) | - |
| Pins | 5 | - |
| Operating Temperature Range | -55 to 125 | °C |
| Input Voltage Range | 1.7 to 5.5 | V |
| Output Voltage Range | 1.2 to 3.3 (Fixed), 1.2 to 5.5 (Adjustable) | V |
| Maximum Output Current | 400 | mA |
| Dropout Voltage (Typical) | 75 | mV |
| Output Noise (Typical) | 30 | µVrms (10 Hz to 100 kHz) |
| Initial Accuracy | 0.5% | - |
| Overall Accuracy Over Line, Load, and Temperature | 1% | - |
| Quiescent Current in Shutdown Mode | < 1 | µA |
| Thermal Resistance (θJA) | 255 | °C/W |
| Load Capacitance (Minimum) | 0 | µF |
| Enable Pin | High to Enable, Low to Shutdown | - |
| Reverse Current Protection | Yes | - |
Key Features
- Stable Operation Without Output Capacitor: The TPS73625MDBVREP can operate with or without an output capacitor, making it versatile for different design requirements.
- Low Dropout Voltage: Typical dropout voltage of 75 mV ensures efficient voltage regulation.
- Low Noise: Output noise of 30 µVrms (10 Hz to 100 kHz) is ideal for noise-sensitive applications such as VCOs.
- High Precision: 0.5% initial accuracy and 1% overall accuracy over line, load, and temperature.
- Low Quiescent Current in Shutdown: Less than 1 µA in shutdown mode, suitable for battery-powered devices.
- Thermal and Current Limit Protection: Protected by thermal shutdown and foldback current limit.
- Reverse Current Protection: New NMOS topology delivers low reverse leakage current.
- Robust Overvoltage Protection and Fault Detection Capability: Enhanced protection features for reliable operation in harsh environments.
Applications
- Portable/Battery-Powered Equipment: Ideal for devices requiring low power consumption and high efficiency.
- Post-Regulation for Switching Supplies: Used to regulate output from switching power supplies.
- Noise-Sensitive Circuitry: Suitable for powering VCOs and other noise-sensitive components.
- Point of Load Regulation for DSPs, FPGAs, ASICs, and Microprocessors: Provides stable voltage regulation for high-performance digital circuits.
Q & A
- What is the operating temperature range of the TPS73625MDBVREP?
The operating temperature range is -55°C to 125°C.
- What is the maximum output current of the TPS73625MDBVREP?
The maximum output current is 400 mA.
- Can the TPS73625MDBVREP operate without an output capacitor?
Yes, it can operate with or without an output capacitor.
- What is the typical dropout voltage of the TPS73625MDBVREP?
The typical dropout voltage is 75 mV.
- What is the output noise level of the TPS73625MDBVREP?
The output noise level is 30 µVrms (10 Hz to 100 kHz).
- Does the TPS73625MDBVREP have thermal protection?
Yes, it is protected by thermal shutdown and foldback current limit.
- What is the quiescent current in shutdown mode?
The quiescent current in shutdown mode is less than 1 µA.
- What are the fixed output voltage options available for the TPS73625MDBVREP?
Fixed output options range from 1.2 V to 3.3 V, with adjustable options available from 1.2 V to 5.5 V.
- Is the TPS73625MDBVREP suitable for noise-sensitive applications?
Yes, it is ideal for powering VCOs and other noise-sensitive circuitry due to its low output noise.
- What kind of protection does the TPS73625MDBVREP offer against reverse current?
The TPS73625MDBVREP features high reverse blockage and low reverse leakage current.
