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Product Detailed Parameters
- Description：IC REG LINEAR -15V 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)：-15V
- 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：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220
- Grade：-
- Qualification：-
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Overview
The L7915CV-DG is a three-terminal negative linear voltage regulator from the L79xxC series, manufactured by STMicroelectronics. It provides a fixed output voltage of -15 V with a maximum output current of 1.5 A. The device supports an input voltage range up to -35 V and operates within a junction temperature range of 0 °C to 150 °C. Packaged in a TO-220 dual gauge frame, it features thermal overload protection, short circuit protection, and output transition SOA protection.
Feature Summary
- Provides local on-card regulation for negative voltage applications
- Includes thermal overload and short circuit protection mechanisms
- Compatible with split power supply configurations using standard voltage options
Applications
- Split power supplies requiring ±15 V rails
- Local on-card voltage regulation
- Negative voltage power management systems
Procurement Notes
Verify that the specific order code matches the required TO-220 dual gauge frame package configuration. Confirm compliance with environmental specifications such as ECOPACK grades if applicable. Ensure the application design accounts for thermal resistance values to maintain safe operating junction temperatures under maximum load conditions.
Selection Notes
Select this component when a fixed -15 V negative rail is required with up to 1.5 A capacity. Consider the TO-220 package for through-hole mounting and adequate heat dissipation. Evaluate line and load regulation requirements against the datasheet specifications to ensure stability for the target electronic circuit.
Part Context
This part belongs to the L79xxC series of negative voltage regulators, which offers various fixed output voltages including -5 V, -8 V, -12 V, and -15 V. The series is designed to complement the L78xx positive regulator family, facilitating balanced dual-polarity power supply designs in industrial and consumer electronics.
Replacement Considerations
L7915CV
FAQ
What is the dropout voltage at 1 A output current?
The typical dropout voltage is 1.1 V when the output current is 1 A.
Does the L7915CV-DG support adjustable output voltages?
Although designed as a fixed regulator, it can be used with external components to obtain adjustable voltages and currents.
