Overview
The MC7912CT-BP is a high-performance linear voltage regulator produced by Micro Commercial Co. This IC is designed to provide a stable output voltage of -12V, making it suitable for various applications that require reliable voltage regulation. The device incorporates advanced technology to ensure excellent regulation and low dropout voltage performance. It can handle loads up to 1.5A and provides a low noise output, which is crucial for sensitive electronic applications. The MC7912CT-BP also features thermal overload protection and short-circuit protection, ensuring reliability and longevity in challenging operating conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | -12V | V |
| Maximum Load Current | 1.5A | A |
| Dropout Voltage (Typical) | 1.1V @ 1A | V |
| Line Regulation | 0.01%/V | %/V |
| Load Regulation | 0.1% at 1A | % |
| Operating Temperature | -40°C to +125°C | °C |
| Package Type | TO-220-3 | |
| Input Voltage Range | -14.5V to -35V | V |
| Quiescent Current (Iq) | 3 mA | mA |
| PSRR | 60dB (120Hz) | dB |
| Protection Features | Thermal Overload, Short Circuit |
Key Features
- Output Voltage: Regulated output of -12V.
- Maximum Load Current: Up to 1.5A.
- Dropout Voltage: Less than 1.1V at 1A load.
- Line and Load Regulation: High line and load regulation with 0.01%/V and 0.1% at 1A, respectively.
- Operating Temperature Range: -40°C to +125°C.
- Package Type: TO-220-3, suitable for through-hole mounting.
- Protection Features: Includes thermal overload protection and short-circuit protection.
- Pin Configuration: Simple three-pin design with Input (Vin), Ground (GND), and Output (Vout) pins.
Applications
- Power Supply for Analog Circuits: Provides stable voltage for sensitive analog circuits.
- Voltage Regulation for Audio Equipment: Ensures low noise output, making it suitable for audio applications.
- Regulated Supply for Telecommunications: Reliable voltage regulation for telecommunications equipment.
- Voltage Reference for Microcontrollers: Stable voltage reference for microcontroller-based systems.
- Signal Conditioning in Measurement Systems: Used in measurement systems requiring precise voltage regulation.
- Parameter Control in Custom Electronics: Suitable for various custom electronic applications requiring stable voltage regulation.
Q & A
- What is the maximum input voltage for the MC7912CT-BP?
The maximum input voltage allowed is typically around -35V.
- Can the MC7912CT-BP be used for applications requiring an output voltage higher than -12V?
No, it is specifically designed to provide a regulated output of -12V only.
- What is the recommended output capacitor value for stable operation?
Using a capacitor of around 0.1µF in parallel with a larger capacitor (10µF or more) is recommended for stability.
- Is the MC7912CT-BP suitable for battery-powered devices?
Yes, its low dropout voltage makes it ideal for use in battery applications.
- What kind of heat sinking is required for safe operation?
The need for heat sinking depends on the input voltage, output current, and ambient temperature; refer to the datasheet for guidelines.
- Does the MC7912CT-BP have built-in protection features?
Yes, it includes thermal overload protection and short-circuit protection.
- What is the operating temperature range of the MC7912CT-BP?
The operating temperature range is -40°C to +125°C.
- What is the package type of the MC7912CT-BP?
The package type is TO-220-3, suitable for through-hole mounting.
- Is the MC7912CT-BP RoHS compliant?
Yes, the MC7912CT-BP is RoHS compliant.
- What are some alternative models to the MC7912CT-BP?
Alternative models include MC7812CT, LM7912, LM317, and LM2940, each with different characteristics and applications.
