Overview
The TPS73601DBVR is a high-performance, low-dropout (LDO) linear voltage regulator produced by Texas Instruments. This device utilizes an advanced NMOS pass transistor in a voltage-follower configuration, ensuring stability with or without an output capacitor. The TPS73601DBVR is designed for applications requiring high precision, low dropout voltage, and minimal ground pin current, making it ideal for portable and noise-sensitive applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 1.7 | 5.5 | V | |
| Output Voltage Range (TPS73601) | 1.198 | 1.204 | 1.210 | V |
| Dropout Voltage (IOUT = 400mA) | 75 | mV | ||
| Output Noise Voltage (10Hz to 100kHz, COUT = 0.1μF) | 30 | µVRMS | ||
| Line Regulation (VOUT(NOM) + 0.5V ≤ VIN ≤ 5.5V) | 0.01 | %/V | ||
| Load Regulation (1mA ≤ IOUT ≤ 400mA) | 0.002 | %/mA | ||
| Operating Junction Temperature | -40 | 125 | °C | |
| Thermal Shutdown Temperature | 160 | °C | ||
| Enable Pin Current (VEN = 5.5V) | 0.02 | 0.1 | µA | |
| Shutdown Current | < 1 | µA |
Key Features
- Stable with no output capacitor or any value or type of capacitor.
- Input voltage range of 1.7V to 5.5V.
- Ultra-low dropout voltage: 75mV typical.
- Excellent load transient response—with or without optional output capacitor.
- NMOS topology delivers low reverse leakage current.
- Low noise: 30µVRMS typical (10Hz to 100kHz).
- 0.5% initial accuracy and 1% overall accuracy over line, load, and temperature.
- Less than 1µA maximum IQ in shutdown mode.
- Thermal shutdown and specified min/max current limit protection.
- Available in multiple output voltage versions: fixed outputs from 1.20V to 5.0V and adjustable output from 1.20V to 5.5V.
Applications
The TPS73601DBVR is suitable for a variety of applications, including:
- Portable electronics due to its low power consumption and high efficiency.
- Noise-sensitive applications such as powering VCOs (Voltage-Controlled Oscillators) due to its low output noise.
- Systems requiring high precision and low dropout voltage, such as medical devices and industrial control systems.
- Battery-powered devices where low quiescent current in shutdown mode is beneficial.
Q & A
- What is the input voltage range of the TPS73601DBVR?
The input voltage range is from 1.7V to 5.5V.
- What is the typical dropout voltage of the TPS73601DBVR?
The typical dropout voltage is 75mV.
- Does the TPS73601DBVR require an output capacitor for stability?
No, the TPS73601DBVR is stable with or without an output capacitor.
- What is the maximum output current of the TPS73601DBVR?
The maximum output current is 400mA.
- What is the operating junction temperature range of the TPS73601DBVR?
The operating junction temperature range is from -40°C to 125°C.
- What protection features does the TPS73601DBVR have?
The device has thermal shutdown and foldback current limit protection.
- What is the typical output noise voltage of the TPS73601DBVR?
The typical output noise voltage is 30µVRMS (10Hz to 100kHz).
- What is the accuracy of the TPS73601DBVR over line, load, and temperature?
The overall accuracy is 1% over line, load, and temperature.
- What is the shutdown current of the TPS73601DBVR?
The shutdown current is less than 1µA.
- In what package types is the TPS73601DBVR available?
The device is available in SOT-23 (DBV), SOT-223 (DCQ), and VSON (DRB) packages.
