LD1084D2M90R

$1.52

Description：IC REG LINEAR 9V 5A D2PAK-3
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:1265d55f4c02 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：IC REG LINEAR 9V 5A D2PAK-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)：9V
Voltage - Output (Max)：-
Voltage Dropout (Max)：1.5V @ 5A
Current - Output：5A
Current - Quiescent (Iq)：10 mA
Current - Supply (Max)：-
PSRR：70dB (120Hz)
Control Features：-
Protection Features：Over Temperature, Short Circuit
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：TO-263-4, D2PAK (3 Leads + Tab), TO-263AA
Supplier Device Package：D2PAK-3
Grade：-
Qualification：-

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LD1084D2M90R

Overview

The LD1084D2M90R is a fixed-output low-dropout positive voltage regulator from the STMicroelectronics LD1084 series. It provides a nominal output voltage of 9V with a guaranteed maximum output current of 5A. The device features a typical dropout voltage of 1.3V at full load and maintains an output tolerance of ±2% across the full operating temperature range. It operates within a wide junction temperature range of -40°C to +125°C and includes internal power and thermal limiting protections.

Feature Summary

Provides a fixed 9V output with high efficiency as quiescent current flows into the load rather than being wasted.
Features tight output voltage tolerance achieved through on-chip trimming, ensuring ±2% accuracy over the full temperature range.
Includes built-in internal power and thermal limit protection mechanisms for robust operation under overload conditions.

Applications

General-purpose power supply regulation
Pre-regulator stages for switching converters
Battery-powered systems requiring stable voltage rails

Procurement Notes

Verify the specific ordering suffix 'R' against official manufacturer documentation to confirm tape-and-reel packaging status. Confirm component availability and lifecycle status directly with authorized distributors or STMicroelectronics, as inventory levels and production phases are subject to change.

Selection Notes

Select this component when a fixed 9V rail is required with up to 5A capacity. Ensure the input voltage exceeds the output by at least the dropout voltage plus margin. Verify that the thermal design accommodates the power dissipation based on the difference between input and output voltages at the expected load current.

Part Context

This part belongs to the LD1084 series of 5A low-dropout regulators. The series offers both adjustable and fixed output versions in packages including TO-220, D2PAK, and D2PAK/A. It is pin-compatible with older standard adjustable regulators but delivers improved performance regarding dropout voltage and output tolerance.