Overview
The LD1117V33C is a low drop voltage regulator produced by STMicroelectronics. It is capable of providing up to 800 mA of output current and is available in fixed and adjustable versions. The LD1117V33C specifically offers a fixed output voltage of 3.3V, making it suitable for a variety of applications requiring stable and regulated voltage supply.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Output Current | Up to 800 | mA |
| Dropout Voltage | 1 V (typ.) | V |
| Operating Input Voltage | Up to 15 | V |
| Quiescent Current | 5-10 | mA |
| Output Voltage Tolerance | ±1% at 25°C, ±2% over full temperature range | % |
| Supply Voltage Rejection | 75 dB (typ.) | dB |
| Operating Temperature Range | -40 to 125 | °C |
| Package Types | TO-220, SOT-223, DPAK, SO-8 |
Key Features
- Low dropout voltage (1 V typ.)
- High output current capability up to 800 mA
- Fixed output voltage of 3.3V with tight tolerance (±1% at 25°C, ±2% over full temperature range)
- Internal current and thermal limiting
- High supply voltage rejection (75 dB typ.)
- Minimum 10 μF capacitor required for stability
Applications
The LD1117V33C is suitable for various applications including communications equipment, computers and peripherals, industrial equipment, and personal electronics. Its high accuracy and stability make it particularly useful in automotive and industrial environments where reliable voltage regulation is crucial.
Q & A
- What is the output voltage of the LD1117V33C?
The output voltage of the LD1117V33C is 3.3V. - What is the maximum output current of the LD1117V33C?
The maximum output current is up to 800 mA. - What is the typical dropout voltage of the LD1117V33C?
The typical dropout voltage is 1 V. - What is the operating input voltage range of the LD1117V33C?
The operating input voltage range is up to 15 V. - What is the quiescent current of the LD1117V33C?
The quiescent current is between 5-10 mA. - What is the output voltage tolerance of the LD1117V33C at 25°C?
The output voltage tolerance is ±1% at 25°C. - What is the supply voltage rejection of the LD1117V33C?
The supply voltage rejection is 75 dB (typ.). - What are the package types available for the LD1117V33C?
The available package types include TO-220, SOT-223, DPAK, and SO-8. - What is the minimum capacitor required for stability?
A minimum 10 μF capacitor is required for stability. - In which applications is the LD1117V33C commonly used?
The LD1117V33C is commonly used in communications equipment, computers and peripherals, industrial equipment, and personal electronics.
