Texas Instruments TLV71333PDBVR – Fixed 3.3V Low-Dropout Regulator in SOT-23-5
The TLV71333PDBVR from IC Manufacturer is a fixed-output low-dropout (LDO) linear regulator, designed for low-power portable and battery-operated devices. Offering a precise 3.3V output and compact SOT-23-5 package, it is ideal for space-constrained applications where power efficiency and stability are critical. With a wide input range of 2.0V to 5.5V, the device can be used directly from lithium batteries or 5V USB supplies.
Key Specifications and Electrical Characteristics
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Input Voltage Range | 2.0 to 5.5 | V |
| Quiescent Current (Typical) | 50 | µA |
| Dropout Voltage @ 200 mA | 250 | mV |
| Output Current (Max) | 300 | mA |
| Operating Temperature | -40 to +125 | °C |
| Package | SOT-23-5 | – |
Key Functional Benefits
- Low Quiescent Current: Ideal for always-on systems, allowing minimal power drain in sleep modes or light loads.
- Precision Output: Maintains a tight 3.3V regulation to support sensitive analog and digital components.
- Thermal and Overcurrent Protection: Increases reliability and safeguards the system during fault conditions.
- Wide Input Compatibility: Operates directly from 2.0V battery outputs up to 5.5V USB rails.
- Compact Footprint: SOT-23-5 packaging fits into tight board spaces, supporting high-density PCB designs.
Typical Applications
- IoT End Nodes and Sensor Modules
- Wearables and Fitness Devices
- Portable Medical Instruments
- Smartphones and Tablets
- Wireless Communication Modules
Frequently Asked Questions (FAQ)
What is the main advantage of using TLV71333PDBVR in IoT devices?
The device offers low quiescent current and compact form factor, helping extend battery life and reduce PCB footprint, both critical for space- and power-sensitive IoT applications.
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Can TLV71333PDBVR be used in USB-powered systems?
Yes. With a 5.5V maximum input, it is compatible with USB power rails while regulating a stable 3.3V output for downstream components.
Does this regulator support thermal shutdown?
Absolutely. It includes both thermal shutdown and current limit protection, providing robust safety for reliable operation under fault conditions.
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What is the maximum output current of TLV71333PDBVR?
The device can source up to 300 mA of output current, suitable for moderate loads in portable and embedded applications.
Is external compensation required?
No. The TLV71333PDBVR includes internal compensation, simplifying the design process and reducing external component count.