LD2985AM285R

$0.54

Description：IC REG LIN 2.85V 150MA SOT23-5
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR)

SKU:511067d061b9 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：IC REG LIN 2.85V 150MA SOT23-5
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：16V
Voltage - Output (Min/Fixed)：2.85V
Voltage - Output (Max)：-
Voltage Dropout (Max)：0.575V @ 150mA
Current - Output：150mA
Current - Quiescent (Iq)：150 µA
Current - Supply (Max)：4 mA
PSRR：45dB (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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LD2985AM285R

Overview

The LD2985AM285R is a fixed-output low dropout linear regulator from STMicroelectronics, providing a stable 2.8 V output with a maximum load current of 150 mA. It features an ultra-low dropout voltage and low quiescent current, making it suitable for battery-powered systems. The device includes logic-controlled electronic shutdown via the inhibit pin, reducing power consumption in standby modes. Internal protections include current limiting and thermal shutdown. It operates within an input voltage range of 2.5 V to 16 V and supports a junction temperature range from -40 °C to +125 °C.

Feature Summary

Ultra-low dropout voltage performance ensures efficient regulation under varying load conditions.
Logic-controlled electronic shutdown allows for precise power management and standby mode activation.
Integrated internal current and thermal limit protection safeguards against overload and overheating.

Applications

Cellular phones
Palmtop laptop computers
Personal digital assistants (PDA)
Camcorders and cameras

Procurement Notes

Verify the specific suffix 'AM285R' against official STMicroelectronics documentation to confirm the exact output voltage and package configuration. Ensure compatibility with required PCB footprint dimensions for SOT-23-5L packages. Check for RoHS compliance status if environmental regulations apply to your manufacturing process.

Selection Notes

Select this component when a fixed 2.8 V rail is required with minimal noise and low power consumption. Consider the 150 mA current limit and dropout characteristics relative to your input voltage source. Evaluate the need for the inhibit function for system power management strategies compared to standard LDOs without shutdown capabilities.

Part Context

This part belongs to the LD2985 family of very low drop and low noise voltage regulators designed for portable electronics. The series offers multiple fixed output voltages including 1.8 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V variants. The AM285R specifically denotes the 2.8 V output version in the SOT-23-5L package format.