Overview
The L78L12ACZ-AP is a three-terminal positive voltage regulator produced by STMicroelectronics. This component is part of the L78L series, which is known for its robust design, incorporating internal current limiting and thermal shutdown. These features make the regulator essentially indestructible, especially when an adequate heat sink is provided. The L78L12ACZ-AP is designed to deliver up to 100 mA of output current and is suitable for use as a fixed voltage regulator in a wide range of applications.
Key Specifications
| Attribute | Value |
|---|---|
| Brand | STMicroelectronics |
| Minimum Operating Temperature | 0 °C |
| Maximum Operating Temperature | +150 °C |
| Output Voltage | 12 V |
| Maximum Output Current | 100 mA |
| Mounting Type | Through Hole |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Package Type | TO-92 |
| Quiescent Current | 6.5 mA |
| Line Regulation | 250 mV |
| Load Regulation | 100 mV |
| Polarity | Positive |
| Maximum Input Voltage | 35 V |
| Accuracy | ±5 % |
Key Features
- Internal current limiting and thermal shutdown, making the regulator essentially indestructible.
- Low quiescent current and low noise.
- Can replace Zener diode/resistor combinations with improved performance.
- Fixed output voltage of 12 V.
- Maximum output current of 100 mA with adequate heat sinking.
- RoHS compliant (Ecopack2).
- Industrial grade with a wide operating temperature range (0 °C to +150 °C).
Applications
The L78L12ACZ-AP is suitable for a variety of applications requiring a stable and reliable voltage source. These include:
- Industrial control systems.
- Consumer electronics.
- Automotive systems.
- Medical devices.
- General-purpose voltage regulation in electronic circuits.
Q & A
- What is the output voltage of the L78L12ACZ-AP?
The output voltage of the L78L12ACZ-AP is 12 V.
- What is the maximum output current of the L78L12ACZ-AP?
The maximum output current is 100 mA, provided an adequate heat sink is used.
- What are the operating temperature ranges for the L78L12ACZ-AP?
The operating temperature range is from 0 °C to +150 °C.
- Is the L78L12ACZ-AP RoHS compliant?
- What is the quiescent current of the L78L12ACZ-AP?
The quiescent current is 6.5 mA.
- What is the line regulation of the L78L12ACZ-AP?
The line regulation is 250 mV.
- What is the load regulation of the L78L12ACZ-AP?
The load regulation is 100 mV.
- What is the maximum input voltage for the L78L12ACZ-AP?
The maximum input voltage is 35 V.
- What package type is the L78L12ACZ-AP available in?
The L78L12ACZ-AP is available in a TO-92 package.
- What are some common applications for the L78L12ACZ-AP?
Common applications include industrial control systems, consumer electronics, automotive systems, medical devices, and general-purpose voltage regulation in electronic circuits.
