Overview
The TPS73201DBVT is a high-precision, ultra-low dropout (LDO) voltage regulator manufactured by Texas Instruments. This device is designed to provide a stable output voltage with minimal dropout voltage, making it suitable for a wide range of applications. The TPS73201DBVT uses an NMOS pass transistor in a voltage-follower configuration, ensuring stability with or without an output capacitor. It features an advanced BiCMOS process, which delivers low dropout voltages and low ground pin current, making it ideal for portable and power-efficient designs.
Key Specifications
| Parameter | Description | Min | Max | Unit | |
|---|---|---|---|---|---|
| Input Voltage | Maximum input voltage | - | - | 5.5 | V |
| Output Voltage | Adjustable output voltage range | 1.2 | - | 5.5 | V |
| Dropout Voltage | At 250mA output current | - | 0.15 | 0.40 | V |
| Output Current | Maximum output current | - | - | 250 | mA |
| Quiescent Current | At 10mA output current | 400 | 550 | 630 | μA |
| Operating Temperature | Range of operating junction temperature | -40 | - | 125 | °C |
| Power Supply Rejection Ratio (PSRR) | At 100Hz and 10kHz frequencies | 58 | - | 37 | dB |
| Output Noise Voltage | With 10μF COUT and 0.01μF CNR | - | - | 8.5 x VOUT | μVRMS |
| Thermal Shutdown Temperature | Shutdown and reset temperatures | 160 | - | 140 | °C |
Key Features
- Capacitor-Free Operation: Stable with no output capacitor or any value or type of capacitor.
- Ultra-Low Dropout Voltage: 40mV at 250mA output current.
- High PSRR: Power supply rejection ratio ranges from 58dB to 37dB across 100Hz to 10kHz frequencies.
- Low Quiescent Current: Less than 1μA in shutdown mode and 550μA at 10mA output current.
- Integrated Protection Features: Over current protection, over temperature protection, short circuit protection, and reverse polarity protection.
- Adjustable Output Voltage: From 1.2V to 5.5V, providing versatility in applications.
- Fast Transient Response: Suitable for various applications requiring quick voltage adjustments.
Applications
- Consumer Electronics: Suitable for devices requiring stable and efficient power supply.
- Telecommunications: Used in communication devices for reliable power management.
- Industrial: Applied in industrial equipment for stable voltage regulation.
- Portable Devices: Ideal for battery-powered devices due to its low quiescent current and high efficiency.
Q & A
- What is the maximum input voltage for the TPS73201DBVT?
The maximum input voltage is 5.5V. - What is the adjustable output voltage range of the TPS73201DBVT?
The output voltage can be adjusted from 1.2V to 5.5V. - What is the dropout voltage at 250mA output current?
The dropout voltage is 40mV at 250mA output current. - What is the maximum output current of the TPS73201DBVT?
The maximum output current is 250mA. - What is the quiescent current of the TPS73201DBVT at 10mA output current?
The quiescent current is 550μA at 10mA output current. - Does the TPS73201DBVT require an output capacitor for stability?
No, the TPS73201DBVT is stable with or without an output capacitor. - What are the integrated protection features of the TPS73201DBVT?
The device includes over current protection, over temperature protection, short circuit protection, and reverse polarity protection. - What is the operating temperature range of the TPS73201DBVT?
The operating junction temperature range is from -40°C to 125°C. - What is the power supply rejection ratio (PSRR) of the TPS73201DBVT?
The PSRR ranges from 58dB to 37dB across 100Hz to 10kHz frequencies. - What are some common applications of the TPS73201DBVT?
Common applications include consumer electronics, telecommunications, industrial equipment, and portable devices.
