Overview
The L78M05ABDT-TR is a three-terminal positive voltage regulator produced by STMicroelectronics. This device is part of the L78M series, which is designed to provide local on-card regulation, eliminating the distribution problems associated with single point regulation. The L78M05ABDT-TR offers a fixed output voltage of 5 V and can deliver up to 500 mA of output current. It is available in a surface mount TO-252-3 (DPAK) package, making it suitable for a wide range of applications where compact and reliable voltage regulation is required.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage - Max | 35 | V |
| Output Voltage - Fixed | 5 | V |
| Dropout Voltage - Max | 2 | V |
| Output Current - Max | 0.5 | A |
| Output Voltage Tolerance | ±2% | |
| Operating Temperature Range | -40°C to +125°C | |
| Quiescent Current | 6 mA | |
| No. of Outputs | Single | |
| Output Noise | 40 µV | |
| Load Regulation | 100 mV | |
| Line Regulation | 100 mV | |
| Package Style | TO-252-3 (DPAK) | |
| Mounting Method | Surface Mount |
Key Features
- Output current up to 0.5 A
- Fixed output voltage of 5 V with ±2% tolerance
- Thermal overload protection
- Short circuit protection
- Output transition SOA (Safe Operating Area) protection
- Guaranteed operation in an extended temperature range of -40°C to +125°C
- Internal current limiting and safe area protection
- Can be used with external components to obtain adjustable voltage and currents
Applications
The L78M05ABDT-TR is suitable for a variety of applications where reliable and compact voltage regulation is necessary. These include:
- Local on-card regulation to eliminate distribution problems associated with single point regulation
- Power supplies for electronic devices requiring a stable 5 V output
- Industrial control systems and automation
- Consumer electronics and appliances
- Medical devices and equipment
Q & A
- What is the output voltage of the L78M05ABDT-TR?
The output voltage of the L78M05ABDT-TR is fixed at 5 V.
- What is the maximum output current of the L78M05ABDT-TR?
The maximum output current is 500 mA.
- What is the maximum input voltage for the L78M05ABDT-TR?
The maximum input voltage is 35 V.
- What type of package does the L78M05ABDT-TR come in?
The device is available in a TO-252-3 (DPAK) surface mount package.
- What are the key protection features of the L78M05ABDT-TR?
The device features thermal overload protection, short circuit protection, and output transition SOA protection.
- What is the operating temperature range of the L78M05ABDT-TR?
The operating temperature range is -40°C to +125°C.
- Can the L78M05ABDT-TR be used for adjustable voltage regulation?
Yes, it can be used with external components to obtain adjustable voltage and currents.
- What is the quiescent current of the L78M05ABDT-TR?
The quiescent current is 6 mA.
- What is the load regulation of the L78M05ABDT-TR?
The load regulation is 100 mV.
- Is the L78M05ABDT-TR suitable for high-temperature environments?
Yes, it is guaranteed to operate in an extended temperature range of -40°C to +125°C.
