Overview
The L78M15CV-DG is a three-terminal positive voltage regulator from STMicroelectronics, part of the L78M series. This regulator is designed to provide a stable output voltage of 15V with a maximum output current of 500mA. It is available in the TO-220 package, making it suitable for a wide range of applications requiring local on-card regulation. The device features internal current limiting, thermal shutdown, and safe area protection, ensuring robust operation and reliability.
Key Specifications
| Parameter | Min. | Max. | Unit | |
|---|---|---|---|---|
| Output Voltage (VO) | 14.4 | 15 | 15.6 | V |
| Output Current (IO) | 500 | mA | ||
| Input Voltage (VI) for VO = 15V | 35 | V | ||
| Operating Junction Temperature Range | 0 | 125 | °C | |
| Storage Temperature Range | -65 | 150 | °C | |
| Thermal Resistance Junction-Case (RthJC) | 5 | °C/W | ||
| Thermal Resistance Junction-Ambient (RthJA) | 50 | °C/W | ||
| Line Regulation | 100 mV | |||
| Load Regulation | 300 mV | |||
| Quiescent Current | 6 | mA | ||
| Dropout Voltage | 2 | V | ||
| Short Circuit Current | 240 | mA |
Key Features
- Output current up to 500 mA
- Output voltage tolerance: 2% (AB and AC versions) or 4% (C version)
- Internal current limiting, thermal shutdown, and safe area protection
- Thermal overload protection and short circuit protection
- Output transition SOA protection
- Available in TO-220, TO-220FP, DPAK, and IPAK packages
- Guaranteed operation in extended temperature range
- Can be used with external components to obtain adjustable voltage and currents
Applications
The L78M15CV-DG is suitable for a variety of applications requiring stable voltage regulation, including:
- Local on-card regulation in electronic devices
- Power supplies for industrial and consumer electronics
- Automotive systems requiring robust voltage regulation
- Medical devices and equipment
- Telecommunication systems
Q & A
- What is the output voltage of the L78M15CV-DG?
The output voltage of the L78M15CV-DG is 15V. - What is the maximum output current of the L78M15CV-DG?
The maximum output current is 500mA. - What are the available packages for the L78M series?
The L78M series is available in TO-220, TO-220FP, DPAK, and IPAK packages. - What is the operating junction temperature range for the L78M15CV-DG?
The operating junction temperature range is from 0°C to 125°C. - Does the L78M15CV-DG have thermal protection?
Yes, it features internal thermal shutdown and safe area protection. - What is the quiescent current of the L78M15CV-DG?
The quiescent current is typically 6 mA. - Can the L78M15CV-DG be used for adjustable voltage regulation?
Yes, it can be used with external components to obtain adjustable voltage and currents. - What is the dropout voltage of the L78M15CV-DG?
The dropout voltage is 2 V. - What is the short circuit current of the L78M15CV-DG?
The short circuit current is typically 240 mA. - What are some common applications of the L78M15CV-DG?
Common applications include local on-card regulation, power supplies, automotive systems, medical devices, and telecommunication systems.
