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Product Detailed Parameters
- Description：IC REG LINEAR -15V 100MA TO92-3
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Box (TB)
- 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)：-
- Current - Output：100mA
- Current - Quiescent (Iq)：6 mA
- Current - Supply (Max)：6.5 mA
- PSRR：39dB (120Hz)
- Control Features：-
- Protection Features：Over Temperature, Short Circuit
- Operating Temperature：0°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The L79L15ACZ-AP is a three-terminal negative voltage regulator from the L79L00 series by STMicroelectronics. It provides a fixed output voltage of -15 V with an output current capability up to 100 mA. The device features thermal overload protection and short circuit protection, ensuring robust operation. It operates within a junction temperature range of 0 to 125 °C and accepts input voltages down to -30 V for this specific voltage variant. The component is housed in a TO-92 package with lead-free construction.
Feature Summary
- Integrated thermal overload and short circuit protection mechanisms
- Fixed negative voltage regulation without external components
- Improved output impedance compared to Zener diode combinations
Applications
- Local or on-card regulation for noise elimination
- Replacement for Zener diode/resistor combinations
- Split power supply systems
Procurement Notes
Verify the exact ordering code suffix against the manufacturer's official documentation to confirm package type and tolerance specifications. Ensure that the selected variant matches the required operating temperature range and output voltage accuracy for the specific application design constraints.
Selection Notes
Select this component when a stable negative rail is required for low-current applications. The AC designation indicates a tighter output voltage tolerance compared to the standard C version. Consider the thermal resistance characteristics of the TO-92 package when designing heat dissipation strategies for continuous operation near maximum current limits.
Part Context
This part belongs to the L79L00 series of three-terminal negative regulators. The series is designed to offer local regulation capabilities, eliminating distribution problems associated with single-point regulation. It serves as a direct complement to positive regulator series, facilitating the creation of dual polarity power supplies.
Replacement Considerations
L79L15CZ
FAQ
What is the maximum output current for the L79L15ACZ-AP?
The maximum output current is 100 mA.
Does the L79L15ACZ-AP require external components for basic operation?
No external components are required for basic fixed voltage regulation, although capacitors are recommended for stability as per test circuits.
