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L7915CV-DG
+NomenclatureIC REG LINEAR -15V 1.5A TO220
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FabricantSemi - conducteurs optiques
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Pièce fabricant #L7915CV-DG
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Package TO-220-3
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En stock2486
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Spécifications
| Attribut | Valeur |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Negative |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | -35V |
| Voltage-Output(Min/Fixed) | -15V |
| VoltageDropout(Max) | 1.1V @ 1A (Typ) |
| Current-Output | 1.5A |
| Current-Quiescent(Iq) | 3 mA |
| PSRR | 60dB (120Hz) |
| ProtectionFeatures | Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | TO-220-3 |
Présentation
Description
Key features of the L7915CV-DG include short-circuit protection, thermal overload protection, and safe area compensation to ensure reliable operation under various conditions. It is widely used in power supply systems where a negative voltage rail is needed, such as in analog circuits, operational amplifiers, and other applications requiring dual supply voltages.
The "DG" suffix often refers to specific variants or manufacturer-specific designations, indicating slight variations or enhancements. Overall, the L7915CV-DG is valued for its reliability, ease of use, and effectiveness in maintaining a constant negative voltage output.
Equivalent
1. LM7915 series from various manufacturers like Texas Instruments and ON Semiconductor.
2. UA7915 from Texas Instruments.
3. MC7915 from ON Semiconductor.
4. KA7915 from Fairchild Semiconductor (now part of ON Semiconductor).
5. NJM7915 from New Japan Radio Co., Ltd.
These alternatives provide similar voltage regulation capabilities with comparable specifications. Always verify pin compatibility and thermal performance when selecting replacements.
Features
1. Output Voltage: Provides a stable -15V output.
2. Current Output: Can deliver up to 1.5A of output current.
3. Thermal Protection: Includes thermal shutdown to prevent overheating.
4. Short-Circuit Protection: Current limiting feature safeguards against short circuits.
5. Low Temperature Coefficient: Ensures stable operation across various temperature ranges.
6. Package Type: Typically available in a TO-220 package, which is suitable for mounting on a heatsink for better heat dissipation.
7. Dropout Voltage: Low dropout voltage for efficient performance.
8. Applications: Suitable for use in power supply units, electronic projects requiring a -15V rail, and other general-purpose applications.
This regulator is ideal for applications needing a reliable and consistent negative voltage supply with protection features.
Pinout
Key characteristics of the L7915CV-DG include:
- Pin Count: 3 pins.
- Pin Functions:
1. Input: This pin receives the unregulated input voltage (more negative than -15V).
2. Ground: This is the common ground pin for both input and output voltages.
3. Output: Provides a regulated output voltage of -15V.
This regulator is commonly used in power supply designs where a stable negative voltage is required, such as in dual-polarity power supplies for operational amplifiers or other analog circuits.
Manufacturer
Application
1. Power Supply Design: Ensures a stable voltage for analog and digital circuits.
2. Consumer Electronics: Provides regulated power for TVs, radios, and audio equipment.
3. Industrial Automation: Used in control systems and sensors.
4. Telecommunications: Powers telecom equipment requiring negative voltage rails.
5. Embedded Systems: Supplies regulated power to microcontrollers and other components.
6. Test Equipment: Ensures precise voltage levels for testing and measurement devices.
Its reliability and thermal protection make it suitable for environments requiring consistent performance.