Overview
The L7815ACV is a 3-terminal positive voltage regulator IC produced by STMicroelectronics. This device is part of the L78 series, which is known for its reliability and versatility in providing local on-card regulation. The L7815ACV is specifically designed to regulate output voltage at 15V with a maximum current of 1.5A, making it suitable for a wide range of applications where stable voltage is crucial.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 14.7 to 15.3 | V |
| Output Current | Up to 1.5 | A |
| Input Voltage | Up to 35 (for VO = 5 to 18 V), Up to 40 (for VO = 20, 24 V) | V |
| Operating Junction Temperature | 0 to 125 °C | °C |
| Storage Temperature Range | -65 to 150 °C | °C |
| Thermal Resistance Junction-Case | 3 to 5 °C/W (depending on package) | °C/W |
| Thermal Resistance Junction-Ambient | 50 to 100 °C/W (depending on package) | °C/W |
| Dropout Voltage | 2 V | V |
| Output Noise Voltage | 10 µV/VO | µV/VO |
| Output Resistance | 19 mΩ | mΩ |
| Short Circuit Current | 0.2 A | A |
| Short Circuit Peak Current | 2.2 A | A |
| Output Voltage Drift | -1 mV/°C | mV/°C |
Key Features
- Internal Current Limiting: The device has internal current limiting to prevent overcurrent conditions.
- Thermal Overload Protection: It includes thermal shut-down to protect against overheating.
- Short Circuit Protection: The regulator is protected against short circuits.
- Output Transition SOA Protection: Safe area protection for output transitions.
- High Accuracy: 2% output voltage tolerance for the A version.
- Versatile Packaging: Available in TO-220, TO-220FP, D²PAK, and DPAK packages.
- Adjustable Voltage and Current: Can be used with external components to obtain adjustable voltage and currents.
Applications
The L7815ACV is suitable for a variety of applications where a stable 15V supply is required. These include:
- Industrial Control Systems: For powering control circuits and sensors.
- Consumer Electronics: In devices such as audio equipment, televisions, and other electronic appliances.
- Automotive Systems: For powering various automotive electronic systems.
- Medical Devices: Where stable voltage is critical for accurate operation.
- Telecommunications Equipment: For reliable power supply in communication devices.
Q & A
- What is the output voltage of the L7815ACV?
The output voltage of the L7815ACV is 15V.
- What is the maximum output current of the L7815ACV?
The maximum output current is 1.5A.
- What are the available packages for the L7815ACV?
The L7815ACV is available in TO-220, TO-220FP, D²PAK, and DPAK packages.
- Does the L7815ACV have thermal overload protection?
Yes, it includes thermal shut-down to protect against overheating.
- What is the dropout voltage of the L7815ACV?
The dropout voltage is 2V.
- Can the L7815ACV be used for adjustable voltage and current?
Yes, it can be used with external components to obtain adjustable voltage and currents.
- What is the minimum load current required for regulation?
The minimum load current for regulation is 5 mA.
- What is the operating junction temperature range for the L7815ACV?
The operating junction temperature range is 0 to 125 °C.
- Does the L7815ACV have short circuit protection?
Yes, it includes short circuit protection.
- What is the output noise voltage of the L7815ACV?
The output noise voltage is 10 µV/VO.
