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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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LD2985AM285R in technische oplossingen

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.