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Product Detailed Parameters
- Description：IC REG LINEAR -6V 100MA TO92-3
- Series：-
- Mfr：STMicroelectronics
- Package：Bulk
- Output Configuration：Negative
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：-30V
- Voltage - Output (Min/Fixed)：-6V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：100mA
- Current - Quiescent (Iq)：5.5 mA
- Current - Supply (Max)：6 mA
- PSRR：46dB (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)
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The L79L06ACZ is a three-terminal negative voltage regulator from the L79L series by STMicroelectronics, housed in a TO-92 package. It provides a fixed output voltage of -6 V with an accuracy of ±5%. The device supports an output current up to 100 mA and operates within a junction temperature range of 0°C to +125°C. Key electrical characteristics include a maximum dropout voltage of 1.7 V, a typical quiescent current of 6 mA, and supply voltage rejection of 46 dB at 120 Hz. Input voltage limits are specified between -8.5 V and -20 V for line regulation testing.
Feature Summary
- Integrates internal thermal overload protection and short-circuit current limiting for robust operation.
- Functions as a direct replacement for Zener diode/resistor combinations, offering significantly lower output impedance and noise.
- Requires no external components for basic fixed-voltage regulation applications.
Applications
- Local or on-card negative voltage regulation
- Elimination of noise and distribution problems associated with single-point regulation
- Replacement for Zener diode/resistor networks
Procurement Notes
Verify the specific suffix 'Z' corresponds to the TO-92 tube packaging configuration when sourcing. Confirm that the AC designation ensures the required ±5% output voltage tolerance for the application. Ensure input voltage constraints remain within the absolute maximum ratings to prevent device damage during procurement validation.
Selection Notes
Select this component for low-current negative rail requirements where simplicity and cost-effectiveness are priorities. The TO-92 package suits through-hole designs with moderate thermal dissipation needs. Consider the 1.7 V dropout voltage when determining the minimum required input voltage headroom relative to the load current and operating temperature range.
Part Context
This part belongs to the L79L00 series of three-terminal negative regulators. The series includes variants with different fixed output voltages such as -5 V, -8 V, -9 V, -12 V, and -15 V. The 'AC' suffix indicates a tighter ±5% output voltage tolerance compared to the standard 'C' variant, which offers ±10% accuracy.
Replacement Considerations
Direct functional substitutes within the same series include L79L05ACZ (-5 V) and L79L08ACZ (-8 V). For pin-compatible alternatives with different tolerances, consider L79L06CZ (±10%) or L79L06ABZ (-40°C to 125°C operating range).
FAQ
What is the maximum output current capability of the L79L06ACZ?
The device can deliver up to 100 mA of output current, provided adequate heat sinking is utilized to manage power dissipation.
Does the L79L06ACZ require external capacitors for stability?
No external components are strictly required for basic operation, though the datasheet test circuits typically include input and output capacitors (e.g., 0.33 µF and 0.1 µF) for optimal performance.
