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Product Detailed Parameters
- Description：IC REG LINEAR -5V 1.5A TO220
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Output Configuration：Negative
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：-35V
- Voltage - Output (Min/Fixed)：-5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：1.4V @ 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：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220
- Grade：-
- Qualification：-
Download product information
Overview
The L7905CV is a three-terminal negative voltage regulator from the L79xxC series, manufactured by STMicroelectronics. It provides a fixed output voltage of -5 V with an output current capability up to 1.5 A. The device features thermal overload protection and short circuit protection. It operates within a junction temperature range of 0 to 150 °C and accepts a maximum DC input voltage of -35 V. The component is housed in a TO-220 package.
Feature Summary
- Provides local on-card regulation for negative power supplies
- Includes internal thermal overload and short circuit protection
- Compatible with split power supply configurations
Applications
- Split power supply systems
- Local on-card voltage regulation
- Negative voltage distribution networks
Procurement Notes
Verify that the specific order code matches the required package type, as the L7905C series includes variants such as L7905CP (TO-220FP) and L7905CD2T (D²PAK). Confirm environmental compliance grades like ECOPACK if applicable. Ensure the application design accounts for the specified thermal resistance values to maintain safe operating temperatures under load.
Selection Notes
Select this component when a fixed -5 V negative rail is required with currents up to 1.5 A. Consider the TO-220 package's thermal characteristics and ensure adequate heat sinking is provided for high-current applications. Verify that the input voltage range supports the desired dropout voltage requirements for the specific load conditions.
Part Context
This part belongs to the L79xxC series of three-terminal negative regulators. The series offers various fixed output voltages including -8 V, -12 V, and -15 V. These devices are designed to complement the L78xx positive standard series, facilitating the creation of dual polarity power supplies in electronic circuits.
Replacement Considerations
L7905CP
FAQ
What is the maximum DC input voltage allowed for the L7905CV?
The absolute maximum DC input voltage for the L7905CV is -35 V.
Does the L7905CV include protection against overcurrent conditions?
Yes, the device incorporates internal short circuit protection and thermal overload protection.
