L78L08ACUTR

$0.26

Description：IC REG LINEAR 8V 100MA SOT89-3
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:9c5d1ea0a4a2 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：IC REG LINEAR 8V 100MA SOT89-3
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：30V
Voltage - Output (Min/Fixed)：8V
Voltage - Output (Max)：-
Voltage Dropout (Max)：-
Current - Output：100mA
Current - Quiescent (Iq)：5.5 mA
Current - Supply (Max)：6 mA
PSRR：45dB (120Hz)
Control Features：-
Protection Features：Over Current, Over Temperature, Short Circuit
Operating Temperature：0°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：TO-243AA
Supplier Device Package：SOT-89-3
Grade：-
Qualification：-

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L78L08ACUTR

Overview

The L78L08ACUTR is a three-terminal positive linear voltage regulator from the STMicroelectronics L78L series, housed in an SOT-89 surface-mount package. It provides a fixed output voltage of 8 V with a maximum continuous output current of 100 mA. The device features internal thermal overload protection and short-circuit protection, ensuring robust operation without requiring external components. It operates within a junction temperature range of 0 to 125 °C and supports a maximum input voltage of 30 V for this output level.

Feature Summary

Integrated thermal overload and short-circuit protection mechanisms
Fixed 8 V output with ±4% tolerance accuracy
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 specific ordering suffix matches the required package type and tape-and-reel specifications. Confirm environmental compliance status such as RoHS and REACH requirements against project constraints. Ensure the selected variant aligns with the necessary operating temperature range and electrical characteristics defined in the official datasheet.

Selection Notes

Select this component when a fixed 8 V supply is needed with up to 100 mA load capability in a compact surface-mount form factor. Consider the SOT-89 package for its thermal dissipation properties relative to other small packages. Evaluate the dropout voltage and line regulation parameters to ensure compatibility with the available input voltage headroom.

Part Context

This part belongs to the L78Lxx family of three-terminal positive regulators designed for general-purpose applications. The 'A' designation indicates a tighter output voltage tolerance compared to the standard 'C' grade. The 'UTR' suffix denotes the SOT-89 surface-mount package configuration supplied in tape and reel format for automated assembly.