Negative Voltage Regulator 12V-7912
7912 is a negative 12V Voltage Regulator that restricts the voltage output to -12V and draws -12V regulated power supply. The 7912 is the most common, as its regulated -12 volt supply provides a convenient power source for most TTL components.
7912 is a series of 79XX negative voltage regulators (as known as L79xx, LM79xx, MC79xx…), the xx is replaced with two digits, indicating the output voltage (for example, the 7905 has a negative 5-volts output, while the 7912 produces negative 12-volts).
Technical Specifications
| Type | Standard |
| Number of Outputs | 1 |
| Polarity | Negative |
| Accuracy (%) | ±4 |
| Output Type | Fixed |
| Output Voltage (V) | -12 |
| Maximum Output Current (A) | 1.5 |
| Maximum Input Voltage (V) | -35 |
| Line Regulation | 240mV |
| Load Regulation | 240mV |
| Maximum Quiescent Current (mA) | 3 |
| Junction to Ambient | 50°C/W |
| Junction to Case | 5°C/W |
| Special Features | Short Circuit Protection|Thermal Protection |
| Minimum Operating Temperature (°C) | 0 |
| Maximum Operating Temperature (°C) | 150 |
| Packaging | Tube |
| Mounting | Through Hole |
| Tab | Tab |
| Supplier Package | TO-220AB |
| Pin Count | 3 |
| Lead Shape | Through Hole |
Applications
- Circuits requiring steady -12v supply
- Protection for devices having specific voltage sensitivity
- DIY projects requiring specific voltage from an existing higher/ varying voltage supply
