Overview
The TLV75730PDBVR is a 1A, low IQ (quiescent current), small-size, low-dropout linear voltage regulator produced by Texas Instruments. This device is designed to provide a stable output voltage with minimal power consumption and is particularly suited for applications requiring low core voltages, such as modern microcontrollers (MCUs). The TLV75730PDBVR is available in a compact SOT-23-5 package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 1.45V to 5.5V |
| Output Voltage | Fixed: 3V |
| Output Current | Up to 1A |
| Package Type | SOT-23-5 (DBV) |
| Thermal Resistance (RθJA) | 60.3°C/W (for DYD package) |
| Output Voltage Accuracy | Typical: 1% |
| Quiescent Current (IQ) | Low IQ with enable functionality |
| Protection Features | Thermal shutdown, current limit, undervoltage lockout (UVLO), internal foldback current limit |
Key Features
- Low dropout voltage to minimize input voltage drop during start-up.
- Internal soft-start to control inrush current.
- Enable functionality to minimize standby power.
- Stable operation with small ceramic output capacitors.
- Precision band-gap and error amplifier for high output voltage accuracy.
- Integrated thermal shutdown, current limit, and undervoltage lockout (UVLO).
- Internal foldback current limit to reduce thermal dissipation during short-circuit events.
- Compact SOT-23-5 package with optional thermally enhanced version (DYD).
Applications
The TLV75730PDBVR is suitable for a variety of applications, including:
- Powering modern microcontrollers (MCUs) with low core voltages.
- Portable electronics requiring low power consumption and small form factor.
- Industrial control systems needing stable and reliable voltage regulation.
- Automotive systems where thermal and electrical robustness are critical.
- Consumer electronics such as smartphones, tablets, and other handheld devices.
Q & A
- What is the input voltage range of the TLV75730PDBVR?
The input voltage range is from 1.45V to 5.5V. - What is the fixed output voltage of the TLV75730PDBVR?
The fixed output voltage is 3V. - What is the maximum output current of the TLV75730PDBVR?
The maximum output current is up to 1A. - What package types are available for the TLV75730PDBVR?
The device is available in SOT-23-5 (DBV) and a thermally enhanced SOT-23-5 (DYD) package. - What is the thermal resistance (RθJA) of the DYD package?
The thermal resistance (RθJA) of the DYD package is 60.3°C/W. - What is the typical output voltage accuracy of the TLV75730PDBVR?
The typical output voltage accuracy is 1%. - Does the TLV75730PDBVR have any protection features?
Yes, it includes thermal shutdown, current limit, undervoltage lockout (UVLO), and an internal foldback current limit. - How does the TLV75730PDBVR manage inrush current during start-up?
The device features an internal soft-start to control inrush current. - Can the TLV75730PDBVR be used with small ceramic output capacitors?
Yes, the device is stable with small ceramic output capacitors. - What is the purpose of the enable functionality in the TLV75730PDBVR?
The enable functionality minimizes standby power consumption.
