LD2985AM285R

Product Overview

Category: Integrated Circuit
Use: Voltage Regulator
Characteristics: Low Dropout, 2.85V Output, SOT-23 Package
Package: SOT-23
Essence: LD2985AM285R is a voltage regulator integrated circuit designed to provide a stable output voltage of 2.85V with low dropout characteristics. It comes in a compact SOT-23 package, making it suitable for space-constrained applications.
Packaging/Quantity: The LD2985AM285R is typically sold in reels or tubes containing multiple units.

Specifications

Input Voltage Range: 2.5V to 16V
Output Voltage: 2.85V
Output Current: Up to 150mA
Dropout Voltage: 300mV (typical)
Quiescent Current: 75µA (typical)
Operating Temperature Range: -40°C to +125°C
Package Type: SOT-23

Detailed Pin Configuration

The LD2985AM285R has three pins:

VIN - Input voltage pin
GND - Ground pin
VOUT - Output voltage pin

Functional Features

Low Dropout: The LD2985AM285R exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
Stable Output Voltage: It provides a stable output voltage of 2.85V, ensuring consistent performance of connected devices.
Low Quiescent Current: The quiescent current of only 75µA ensures minimal power consumption when the device is in standby mode.
Thermal Shutdown Protection: The LD2985AM285R incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Low dropout voltage - Stable output voltage - Compact SOT-23 package - Low quiescent current

Disadvantages: - Limited output current (up to 150mA) - Narrow input voltage range (2.5V to 16V)

Working Principles

The LD2985AM285R is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The LD2985AM285R can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Embedded systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to LD2985AM285R include: - LM1117-2.85: A similar low dropout voltage regulator with a fixed output voltage of 2.85V. - LT1763-2.85: Another low dropout voltage regulator offering a fixed 2.85V output voltage. - MCP1702-285: A low dropout voltage regulator with a fixed output voltage of 2.85V.

These alternative models provide similar functionality and can be considered as substitutes for LD2985AM285R in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LD2985AM285R v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LD2985AM285R in technical solutions:

Q: What is LD2985AM285R? A: LD2985AM285R is a low dropout voltage regulator IC that provides a fixed output voltage of 2.85V.
Q: What is the input voltage range for LD2985AM285R? A: The input voltage range for LD2985AM285R is typically between 2.5V and 16V.
Q: What is the maximum output current LD2985AM285R can handle? A: LD2985AM285R can handle a maximum output current of 150mA.
Q: Can LD2985AM285R be used in battery-powered applications? A: Yes, LD2985AM285R can be used in battery-powered applications as it has a low dropout voltage and low quiescent current.
Q: Is LD2985AM285R suitable for use in noise-sensitive applications? A: Yes, LD2985AM285R is designed to provide excellent ripple rejection and low output noise, making it suitable for noise-sensitive applications.
Q: Does LD2985AM285R have built-in thermal protection? A: Yes, LD2985AM285R has built-in thermal shutdown protection that prevents the IC from overheating.
Q: Can LD2985AM285R operate in both linear and switching mode? A: No, LD2985AM285R operates only in linear mode.
Q: What is the typical dropout voltage of LD2985AM285R? A: The typical dropout voltage of LD2985AM285R is around 300mV at 150mA load.
Q: Can LD2985AM285R be used in automotive applications? A: Yes, LD2985AM285R is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.
Q: What are some typical applications of LD2985AM285R? A: LD2985AM285R can be used in various applications such as battery-powered devices, portable electronics, industrial control systems, and automotive electronics.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.