Overview
The TLV74333PDBVR is a low-dropout linear regulator (LDO) from Texas Instruments, designed to provide high performance and efficiency in a compact package. This ultra-small LDO is capable of sourcing 300 mA of output current with a low quiescent current, making it ideal for battery-operated devices and space-constrained applications. The regulator features good line and load transient performance, high power supply rejection ratio (PSRR), and low noise, ensuring high power quality. It is particularly suited for portable devices and industrial applications where reliability and efficiency are crucial.
Key Specifications
| Specification | Description |
|---|---|
| Manufacturer Part Number | TLV74333PDBVR |
| Manufacturer | Texas Instruments |
| Output Voltage | 3.3 V |
| Output Current | 300 mA |
| Number of Outputs | 1 Output |
| Polarity | Positive |
| Operating Temperature | -40°C to 125°C |
| Input Voltage Range | 1.4 V to 5.5 V |
| Low Dropout Voltage | 125 mV at 300 mA output current |
| Output Voltage Accuracy | ±1% typical, ±1.4% maximum |
| Quiescent Current | 34 μA |
| PSRR | 50 dB at 1 kHz |
| Package | SOT-23-5 |
Key Features
- Ultra-small package (SOT-23-5 and X2SON options)
- Low quiescent current of 34 μA, ideal for battery-powered devices
- High accuracy with ±1% typical and ±1.4% maximum output voltage accuracy
- Low dropout voltage of 125 mV at 300 mA output current
- High PSRR of 50 dB at 1 kHz to minimize input noise effects
- Foldback overcurrent protection and thermal shutdown for enhanced reliability
- Stable operation with a small output capacitor of 1 μF
Applications
- Portable devices: Tablet PCs, smartphones, and camera modules
- Industrial applications requiring high power quality and reliability
- Battery-operated devices where low quiescent current is essential
- Space-constrained applications where compact packaging is necessary
Q & A
- What is the output voltage of the TLV74333PDBVR? The output voltage is 3.3 V.
- What is the maximum output current of the TLV74333PDBVR? The maximum output current is 300 mA.
- What is the operating temperature range of the TLV74333PDBVR? The operating temperature range is -40°C to 125°C.
- What is the quiescent current of the TLV74333PDBVR? The quiescent current is 34 μA.
- What is the PSRR of the TLV74333PDBVR at 1 kHz? The PSRR is 50 dB at 1 kHz.
- What protection features does the TLV74333PDBVR have? It includes foldback overcurrent protection and thermal shutdown.
- What is the typical output voltage accuracy of the TLV74333PDBVR? The typical output voltage accuracy is ±1%.
- What is the low dropout voltage of the TLV74333PDBVR at 300 mA output current? The low dropout voltage is 125 mV at 300 mA output current.
- In what package options is the TLV74333PDBVR available? It is available in SOT-23-5 and X2SON packages.
- What are some common applications of the TLV74333PDBVR? Common applications include portable devices, industrial applications, and battery-operated devices.
