Overview
The L78M05CDT-TR is a precision 500 mA linear voltage regulator produced by STMicroelectronics. This component is part of the L78M series, which is known for its high performance and reliability in various electronic applications. The L78M05CDT-TR is specifically designed to provide a fixed output voltage of 5V, making it suitable for a wide range of power supply needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (VO) | 4.8 - 5.2 | V |
| Output Current (IO) | Internally limited, up to 500 mA | mA |
| Input Voltage (VI) for VO = 5V | 7 to 35 V | V |
| Power Dissipation | Internally limited | mW |
| Storage Temperature Range | -65 to 150 °C | °C |
| Operating Junction Temperature Range | -40 to 125 °C (AB), 0 to 125 °C (AC) | °C |
| Thermal Resistance Junction-Case (RthJC) | 5 °C/W (TO-220, TO-220FP), 8 °C/W (DPAK, IPAK) | °C/W |
| Thermal Resistance Junction-Ambient (RthJA) | 50 °C/W (TO-220), 60 °C/W (TO-220FP), 100 °C/W (DPAK, IPAK) | °C/W |
Key Features
- Precision output voltage regulation with low dropout voltage.
- High current capability up to 500 mA.
- Internal thermal shutdown and current limiting for protection.
- Low noise and high ripple rejection.
- Available in various packages including TO-220, TO-220FP, DPAK, and IPAK.
Applications
The L78M05CDT-TR is suitable for a variety of applications requiring a stable 5V power supply. These include:
- Industrial control systems.
- Consumer electronics.
- Automotive systems.
- Medical devices.
- Telecommunication equipment.
Q & A
- What is the output voltage of the L78M05CDT-TR? The output voltage is 5V with a tolerance of ±0.2V.
- What is the maximum output current of the L78M05CDT-TR? The maximum output current is internally limited up to 500 mA.
- What are the available packages for the L78M05CDT-TR? The component is available in TO-220, TO-220FP, DPAK, and IPAK packages.
- What is the operating junction temperature range for the L78M05CDT-TR? The operating junction temperature range is -40 to 125 °C for the AB version and 0 to 125 °C for the AC version.
- Does the L78M05CDT-TR have built-in protection features? Yes, it includes internal thermal shutdown and current limiting for protection.
- What is the thermal resistance junction-case for the TO-220 package? The thermal resistance junction-case for the TO-220 package is 5 °C/W.
- What is the ripple rejection of the L78M05CDT-TR? The component has high ripple rejection, ensuring a stable output voltage.
- Can the L78M05CDT-TR be used in automotive systems? Yes, it is suitable for use in automotive systems due to its robust specifications and reliability.
- What is the storage temperature range for the L78M05CDT-TR? The storage temperature range is -65 to 150 °C.
- Is the L78M05CDT-TR suitable for medical devices? Yes, it can be used in medical devices due to its precision and reliability.
