Overview
The TPS73601DRBT is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. This device is designed for high precision and low dropout voltage, making it suitable for a variety of applications, especially in portable and noise-sensitive environments. The TPS73601DRBT uses an advanced BiCMOS process and features an NMOS pass transistor in a voltage-follower configuration, ensuring stability with or without an output capacitor. It supports an input voltage range of 1.7V to 5.5V and can output voltages from 1.2V to 5.5V, with a maximum output current of 400mA.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 1.7 | - | 5.5 | V |
| Output Voltage Range | 1.2 | - | 5.5 | V |
| Output Current | - | - | 400 | mA |
| Dropout Voltage | - | 75 | 200 | mV |
| Line Regulation | - | 0.01 | - | %/V |
| Load Regulation | - | 0.002 | - | %/mA |
| PSRR (100Hz, 10kHz) | 58, 37 | - | - | dB |
| Output Noise Voltage | - | 27 x VOUT | - | µVRMS |
| Operating Junction Temperature | -40 | - | 125 | °C |
| Package Type | - | - | - | 8-VDFN Exposed Pad |
Key Features
- Stable operation with or without an output capacitor, and insensitive to the value or type of capacitor used.
- Ultra-low dropout voltage of 75mV typical at 400mA output current.
- Input voltage range from 1.7V to 5.5V and adjustable output voltage from 1.2V to 5.5V.
- High precision and low noise output, making it suitable for powering VCOs and other noise-sensitive loads.
- Integrated noise reduction (NR) pin for additional noise reduction with a noise reduction capacitor.
- Protection features include thermal shutdown, foldback current limit, and reverse current protection.
- Enable pin for controlling the regulator's operation.
- Low quiescent current of less than 1µA when not enabled.
Applications
- Portable electronic devices due to its low dropout voltage and low quiescent current.
- Noise-sensitive applications such as powering VCOs (Voltage-Controlled Oscillators) and other precision analog circuits.
- Systems requiring high precision and stability in voltage regulation.
- Applications where the effective capacitance of the load is unknown or variable.
- General-purpose voltage regulation in various electronic systems.
Q & A
- What is the input voltage range of the TPS73601DRBT?
The input voltage range is from 1.7V to 5.5V.
- What is the maximum output current of the TPS73601DRBT?
The maximum output current is 400mA.
- Does the TPS73601DRBT require an output capacitor for stability?
No, the TPS73601DRBT is stable with or without an output capacitor.
- What is the typical dropout voltage of the TPS73601DRBT?
The typical dropout voltage is 75mV at 400mA output current.
- What protection features does the TPS73601DRBT have?
The device features thermal shutdown, foldback current limit, and reverse current protection.
- How can the noise output of the TPS73601DRBT be reduced further?
The noise output can be reduced further by using the integrated noise reduction (NR) pin with a noise reduction capacitor.
- What is the operating junction temperature range of the TPS73601DRBT?
The operating junction temperature range is from -40°C to 125°C.
- What package type is the TPS73601DRBT available in?
The device is available in an 8-VDFN Exposed Pad package.
- Can the TPS73601DRBT be used in noise-sensitive applications?
Yes, the device is well-suited for noise-sensitive applications due to its low noise output.
- How can the TPS73601DRBT be enabled or disabled?
The device can be enabled or disabled using the enable (EN) pin.
