Overview
The TLV73333PDBVT is a low-dropout linear regulator (LDO) from Texas Instruments, designed to provide a stable and efficient voltage regulation solution. This device is part of the TLV733 series, known for its ultra-small size and low quiescent current. The TLV73333PDBVT is specifically configured to output a fixed voltage of 3.3V and can source up to 300 mA of current. It features a capacitor-free architecture, which ensures stability without the need for input or output capacitors, although it can also operate with ceramic output capacitors if necessary. This regulator is ideal for applications requiring high accuracy, low dropout voltage, and robust protection features such as overcurrent protection, thermal shutdown, and ESD protection.
Key Specifications
| Product Attribute | Attribute Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TLV73333PDBVT |
| Package | SOT-23-5 |
| Output Voltage | 3.3 V (Fixed) |
| Output Current | Up to 300 mA |
| Input Voltage Range | 1.4 V to 5.5 V |
| Dropout Voltage | 370 mV (typical at 300 mA, VOUT = 3.3 V) |
| Quiescent Current (IQ) | 34 µA (typical) |
| Line Regulation | 1 mV (ΔVI = VIN(nom) to VIN(nom) + 1 V) |
| Load Regulation | 25 mV (ΔIO = 1 mA to 300 mA, DBV package) |
| PSRR (Power Supply Rejection Ratio) | 50 dB at 1 kHz |
| Thermal Shutdown | 160 °C (shutdown), 140 °C (reset) |
| Enable Pin Voltage | 0.9 V (high), 0.35 V (low) |
Key Features
- Capacitor-Free Architecture: Stable operation without the need for input or output capacitors, although it can also operate with ceramic output capacitors if necessary.
- Low Quiescent Current: Typical IQ of 34 µA, making it suitable for battery-operated devices.
- High Accuracy: Output voltage accuracy of ±1% at room temperature and ±1.4% over the full operating temperature range.
- Robust Protection Features: Includes overcurrent protection, thermal shutdown, ESD protection, and undervoltage lockout.
- Active Output Discharge: Quickly discharges output loads when disabled.
- Ultra-Small Package: Available in SOT-23-5 and X2SON packages, making it ideal for space-constrained designs.
Applications
- Tablets and Smartphones: Ideal for mobile devices requiring efficient and compact voltage regulation solutions.
- Notebook and Desktop Computers: Suitable for various computing applications where low dropout voltage and high accuracy are necessary.
- Portable Industrial and Consumer Products: Used in a variety of portable devices that require reliable voltage regulation.
- WLAN and Other PC Add-On Cards: Applicable in wireless and other peripheral cards requiring stable voltage supply.
- Camera Modules: Can be used in camera modules and other imaging devices).
Q & A
- What is the output voltage of the TLV73333PDBVT?
The output voltage of the TLV73333PDBVT is fixed at 3.3 V.
- What is the maximum output current of the TLV73333PDBVT?
The TLV73333PDBVT can source up to 300 mA of current.
- What is the typical quiescent current (IQ) of the TLV73333PDBVT?
The typical quiescent current (IQ) is 34 µA.
- Does the TLV73333PDBVT require output capacitors for stability?
No, the TLV73333PDBVT is designed with a capacitor-free architecture and does not require output capacitors for stability, although it can operate with ceramic output capacitors if necessary.
- What are the key protection features of the TLV73333PDBVT?
The key protection features include overcurrent protection, thermal shutdown, ESD protection, and undervoltage lockout.
- What is the thermal shutdown temperature of the TLV73333PDBVT?
The thermal shutdown temperature is 160 °C, and it resets at 140 °C.
- What is the enable pin voltage range for the TLV73333PDBVT?
The enable pin voltage range is 0.9 V (high) and 0.35 V (low).
- In what packages is the TLV73333PDBVT available?
The TLV73333PDBVT is available in SOT-23-5 and X2SON packages.
- What is the typical line regulation of the TLV73333PDBVT?
The typical line regulation is 1 mV (ΔVI = VIN(nom) to VIN(nom) + 1 V).
- What is the power supply rejection ratio (PSRR) of the TLV73333PDBVT?
The PSRR is 50 dB at 1 kHz.
