L79L05ACZ-TR

$0.27

Description：IC REG LINEAR -5V 100MA TO92-3
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:8dbe09ffcc98 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：IC REG LINEAR -5V 100MA TO92-3
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)
Output Configuration：Negative
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：-30V
Voltage - Output (Min/Fixed)：-5V
Voltage - Output (Max)：-
Voltage Dropout (Max)：-
Current - Output：100mA
Current - Quiescent (Iq)：5.5 mA
Current - Supply (Max)：6 mA
PSRR：49dB (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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L79L05ACZ-TR

Overview

The L79L05ACZ-TR is a three-terminal negative linear voltage regulator from the L79L series, manufactured by STMicroelectronics. It provides a fixed output voltage of -5 V with an output current capability of up to 100 mA. The device features ±5% output voltage tolerance (indicated by the 'AC' suffix) and operates within a junction temperature range of 0 °C to 125 °C. It utilizes internal current limiting and thermal shutdown protection mechanisms. The component is housed in a TO-92 package and is supplied in tape and reel packaging.

Feature Summary

Integrated thermal overload and short-circuit protection for robust operation
Fixed -5 V output with ±5% accuracy tolerance
Capable of delivering up to 100 mA output current
Requires no external components for basic regulation

Applications

Local or on-card voltage regulation
Elimination of noise associated with single-point regulation
Replacement for Zener diode and resistor combinations

Procurement Notes

Verify that the ordering suffix matches the required specifications. The 'Z' indicates the TO-92 through-hole package, while '-TR' confirms the tape and reel packaging format. Ensure the 'AC' designation aligns with the need for ±5% output voltage precision rather than the standard ±10% tolerance found in other variants.

Selection Notes

Select this component when a stable negative voltage rail is required for low-to-moderate current loads. The TO-92 package is suitable for applications where space constraints allow for through-hole mounting. Consider the thermal resistance characteristics if operating near maximum current limits to ensure adequate heat dissipation without exceeding the maximum junction temperature.

Part Context

This part belongs to the L79Lxx family of three-terminal negative regulators. The series includes various output voltages such as -8 V, -12 V, and -15 V. The L79L05 variant specifically targets -5 V applications. The AC grade offers tighter voltage tolerances compared to the C grade, providing higher precision for sensitive analog or digital circuits requiring negative supply rails.