Overview
The L7905CD2T-TR is a negative voltage regulator produced by STMicroelectronics. It belongs to the L7905 series, which offers fixed output voltages and is designed for a variety of applications requiring stable negative voltage regulation. This regulator is available in the TO-263-3 (D2PAK) package and is suitable for surface mount installation. It provides a fixed output voltage of -5V and can deliver up to 1.5 A of output current, making it a reliable choice for power management in electronic systems.
Key Specifications
| Attribute | Value |
|---|---|
| Input Voltage - Max | -35V |
| Output Voltage Fixed | -5V |
| Dropout Voltage - Max | 1.4V |
| Output Current - Max | 1.5A |
| Tolerance (%) | ±4% |
| Operating Temp Range | 0°C to 150°C |
| Regulator Topology | Fixed |
| Quiescent Current | 3mA |
| No. of Outputs | Single |
| Output Noise | 100µV |
| Load Regulation | 100mV |
| Current - Limit | 1.8A |
| Line Regulation | 100mV |
| Package Style | TO-263-3 (D2PAK) |
| Mounting Method | Surface Mount |
Key Features
- Output current up to 1.5 A
- Fixed output voltage of -5V (other voltages available in the series: -8, -12, -15, -20 V)
- Thermal overload protection
- Short circuit protection
- Output transition SOA (Safe Operating Area) protection
Applications
The L7905CD2T-TR is particularly useful in a wide range of applications that require local on-card regulation. It is suitable for eliminating distribution problems associated with single point regulation and is especially suited for split power supplies. These regulators can be used in various electronic systems where stable negative voltage regulation is necessary.
Q & A
- What is the maximum input voltage for the L7905CD2T-TR?
The maximum input voltage is -35V. - What is the fixed output voltage of the L7905CD2T-TR?
The fixed output voltage is -5V. - What is the maximum output current of the L7905CD2T-TR?
The maximum output current is 1.5 A. - What type of package does the L7905CD2T-TR come in?
The L7905CD2T-TR comes in a TO-263-3 (D2PAK) package. - What is the operating temperature range for the L7905CD2T-TR?
The operating temperature range is from 0°C to 150°C. - Does the L7905CD2T-TR have thermal overload protection?
Yes, it has thermal overload protection. - Is the L7905CD2T-TR suitable for surface mount installation?
Yes, it is suitable for surface mount installation. - What is the quiescent current of the L7905CD2T-TR?
The quiescent current is 3mA. - What is the output noise of the L7905CD2T-TR?
The output noise is 100µV. - Does the L7905CD2T-TR have short circuit protection?
Yes, it has short circuit protection.
