LD2980ABM30TR

$0.43

Description：IC REG LINEAR 3V 50MA SOT23-5
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:4dce0c1e5ac0 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：IC REG LINEAR 3V 50MA SOT23-5
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：16V
Voltage - Output (Min/Fixed)：3V
Voltage - Output (Max)：-
Voltage Dropout (Max)：0.225V @ 50mA
Current - Output：50mA
Current - Quiescent (Iq)：150 µA
Current - Supply (Max)：1.2 mA
PSRR：63dB (1kHz)
Control Features：Enable
Protection Features：Over Current, Over Temperature
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：SC-74A, SOT-753
Supplier Device Package：SOT-23-5
Grade：-
Qualification：-

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LD2980ABM30TR

Overview

The LD2980ABM30TR is a low-dropout linear voltage regulator manufactured by STMicroelectronics. It provides a fixed positive output voltage of 3.0V with a maximum continuous output current of 50mA. The device supports an input voltage range up to 16V and operates within a junction temperature range of -40°C to 125°C. Key electrical characteristics include a typical dropout voltage of 0.12V at 50mA load, a quiescent current of 80µA in active mode, and a shutdown current of less than 1µA when inhibited. The component features internal thermal overload and short-circuit protection.

Feature Summary

Stable operation guaranteed with low equivalent series resistance (ESR) ceramic capacitors
Ultra-low dropout voltage performance suitable for battery-powered systems
Logic-controlled electronic shutdown function via inhibit pin for power management
Integrated thermal limit and current limit protection mechanisms

Applications

Battery-powered instrumentation systems
Low-noise audio system power supplies
Industrial control board local regulation
Switching mode power supply post-regulation

Procurement Notes

Verify the specific suffix 'BM' against the manufacturer datasheet to confirm package type and tolerance specifications. Ensure the output voltage code matches the required 3.0V design target. Confirm RoHS compliance status and check for any obsolete status notifications from STMicroelectronics before finalizing procurement plans.

Selection Notes

Select this component when low noise and high accuracy are prioritized over efficiency. The A-version offers tighter output voltage tolerance compared to standard variants. Consider the SOT-23-5 package constraints for thermal dissipation if operating near maximum load currents or elevated ambient temperatures.

Part Context

This part belongs to the LD2980 family of ultra-low drop voltage regulators designed for compatibility with low ESR output capacitors. The family includes various fixed output voltages and versions with different tolerances. The LD2980 series is engineered for applications requiring stable regulation with minimal power loss across small input-output differential voltages.