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Product Detailed Parameters
- Description：IC REG LINEAR -12V 1.5A D2PAK
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Negative
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：-35V
- Voltage - Output (Min/Fixed)：-12V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：1.1V @ 1A (Typ)
- Current - Output：1.5A
- Current - Quiescent (Iq)：3 mA
- Current - Supply (Max)：-
- PSRR：60dB (120Hz)
- Control Features：-
- Protection Features：Over Temperature, Short Circuit
- Operating Temperature：0°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：D2PAK
- Grade：-
- Qualification：-
Download product information
Overview
The L7912CD2T-TR is a three-terminal negative voltage regulator from the L79xxC series, manufactured by STMicroelectronics. It provides a fixed output voltage of -12 V with an output current capability up to 1.5 A. The device operates within a DC input voltage range of -14.5 V to -30 V and features thermal overload protection, short circuit protection, and output transition SOA protection. It utilizes a D²PAK surface-mount package.
Feature Summary
- Provides local on-card regulation for split power supply applications
- Includes internal thermal overload and short circuit protection mechanisms
- Compatible with external components for adjustable voltage configurations
Applications
- Split power supplies requiring negative voltage rails
- Local on-card voltage regulation
- Adjustable voltage circuits using external components
Procurement Notes
Verify the specific order code against official manufacturer documentation to confirm the exact package type and revision level. Ensure that the procurement specifications align with the required electrical characteristics and environmental compliance standards defined in the datasheet.
Selection Notes
Select this component when a fixed negative voltage rail is required for circuit stability. Consider the D²PAK package for surface-mount assembly needs. Evaluate thermal management requirements based on the maximum junction temperature and power dissipation limits specified in the datasheet.
Part Context
This part belongs to the L79xxC series of three-terminal negative regulators. The series offers various fixed output voltages including -5 V, -8 V, -12 V, and -15 V. These regulators are designed to complement the L78xx positive standard series, facilitating the design of dual polarity power systems.
Replacement Considerations
L7912CV-DG (TO-220FP)
FAQ
What types of protection does the L7912CD2T-TR include?
The device includes thermal overload protection, short circuit protection, and output transition SOA protection.
Can the L7912CD2T-TR be used for adjustable voltage outputs?
Yes, although designed as a fixed voltage regulator, it can be used with external components to obtain adjustable voltages and currents.
