Overview
The L7905ACD2T-TR is a three-terminal negative voltage regulator produced by STMicroelectronics. This component is part of the L79 series, which is available in various packages including TO-220, TO-220FP, and D²PAK. The L7905ACD2T-TR specifically comes in a D²PAK package and is designed to provide a fixed output voltage of -5V. It is suitable for a wide range of applications due to its stable and reliable operation, making it ideal for local on-card regulation and eliminating distribution problems associated with single point regulation.
Key Specifications
| Specification | Value |
|---|---|
| Output Voltage | -5 V |
| Maximum Output Current | 1.5 A |
| Line Regulation | 100 mV |
| Load Regulation | 100 mV |
| Accuracy | ±2% |
| Quiescent Current | 3 mA |
| Package Type | D²PAK |
| Pin Count | 3 |
| Output Type | Fixed |
| Polarity | Negative |
| Minimum Operating Temperature | 0 °C |
| Maximum Operating Temperature | 125 °C |
| Maximum Input Voltage | -35 V |
| Dimensions | 10.4 x 9.35 x 4.6 mm |
| RoHS Compliance | Ecopack2 |
Key Features
- Output current up to 1.5 A, making it suitable for applications requiring significant current supply.
- Fixed output voltage of -5 V, with options for other voltages in the L79 series (-8, -12, etc.).
- Thermal overload protection and short-circuit protection to ensure device reliability and safety.
- Output SOA (Safe Operating Area) protection to prevent damage from excessive current or voltage conditions.
- High accuracy with an output tolerance of ±2% at 25 °C.
- Surface mount D²PAK package for easy integration into modern PCB designs.
Applications
The L7905ACD2T-TR is versatile and can be used in a variety of applications, including:
- Local on-card regulation to eliminate distribution problems associated with single point regulation.
- Split power supplies, particularly where both positive and negative voltages are required.
- Industrial and commercial power supply systems where stable and reliable voltage regulation is crucial.
- Electronic devices requiring negative voltage supply, such as audio equipment, medical devices, and telecommunications equipment.
Q & A
- What is the output voltage of the L7905ACD2T-TR?
The output voltage of the L7905ACD2T-TR is -5 V.
- What is the maximum output current of the L7905ACD2T-TR?
The maximum output current is 1.5 A.
- What type of package does the L7905ACD2T-TR come in?
The L7905ACD2T-TR comes in a D²PAK package.
- What are the operating temperature ranges for the L7905ACD2T-TR?
The operating temperature ranges from 0 °C to 125 °C).
- Does the L7905ACD2T-TR have built-in protection features?
Yes, it includes thermal overload protection, short-circuit protection, and output SOA protection).
- Is the L7905ACD2T-TR RoHS compliant?
Yes, it is RoHS compliant with the Ecopack2 standard).
- What is the maximum input voltage for the L7905ACD2T-TR?
The maximum input voltage is -35 V).
- Can the L7905ACD2T-TR be used for adjustable voltage regulation?
Yes, it can be used with external components to obtain adjustable voltages and currents).
- What is the quiescent current of the L7905ACD2T-TR?
The quiescent current is 3 mA).
- Is the L7905ACD2T-TR suitable for surface mount applications?
Yes, it is designed for surface mount applications).
