Overview
The TPS73601DRBR is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. It utilizes an advanced BiCMOS process to achieve high precision and very low dropout voltages. This regulator is designed for applications requiring low noise and high stability, making it suitable for powering sensitive components such as voltage-controlled oscillators (VCOs). The device features an NMOS pass transistor in a voltage-follower configuration, which ensures stability with or without an output capacitor and provides low reverse leakage current.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-Pin VSON (DRB) |
| Operating Temperature Range | -40°C to 125°C |
| Input Voltage Range | 1.7V to 5.5V |
| Output Voltage | Fixed: 1.20V to 5.0V, Adjustable: 1.20V to 5.5V |
| Output Current | 400mA |
| Dropout Voltage | 75mV (typical) |
| Noise | 30µVRMS (10Hz to 100kHz) |
| Accuracy | 0.5% initial, 1% overall over line, load, and temperature |
| Quiescent Current in Shutdown | <1µA |
| Protection Features | Thermal shutdown, foldback current limit |
Key Features
- Stable with no output capacitor or any value/type of capacitor
- 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)
- High accuracy: 0.5% initial, 1% overall over line, load, and temperature
- Less than 1µA maximum quiescent current in shutdown mode
- Thermal shutdown and specified minimum/maximum current limit protection
Applications
The TPS73601DRBR is ideal for various applications requiring low noise and high stability, such as:
- Powering voltage-controlled oscillators (VCOs) and other sensitive analog circuits
- Portable electronics where low power consumption is crucial
- Industrial and automotive systems needing reliable voltage regulation
- Medical devices requiring precise voltage control
Q & A
- What is the typical dropout voltage of the TPS73601DRBR?
The typical dropout voltage is 75mV. - What is the input voltage range for the TPS73601DRBR?
The input voltage range is from 1.7V to 5.5V. - Can the TPS73601DRBR operate without an output capacitor?
Yes, the device is stable with or without an output capacitor. - What is the maximum output current of the TPS73601DRBR?
The maximum output current is 400mA. - What protection features does the TPS73601DRBR have?
The device features thermal shutdown and foldback current limit protection. - What is the quiescent current in shutdown mode?
The quiescent current in shutdown mode is less than 1µA. - What is the operating temperature range of the TPS73601DRBR?
The operating temperature range is -40°C to 125°C. - What are the available output voltage options for the TPS73601DRBR?
The device offers fixed output voltages from 1.20V to 5.0V and adjustable output from 1.20V to 5.5V. - Is the TPS73601DRBR suitable for powering VCOs?
Yes, it is designed for powering VCOs due to its low noise characteristics. - What is the noise level of the TPS73601DRBR?
The noise level is 30µVRMS typical from 10Hz to 100kHz.
