LD2985AM28R

Product Overview

Category

LD2985AM28R belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Low dropout voltage
• Low quiescent current
• High output voltage accuracy
• Thermal shutdown protection
• Short-circuit current limit

Package

LD2985AM28R is available in a small SOT-23 package.

Essence

The essence of LD2985AM28R lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

LD2985AM28R is typically packaged in reels, with each reel containing a specific quantity of units. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 2.8V
• Dropout Voltage: 300mV (typical)
• Quiescent Current: 50µA (typical)
• Output Current: Up to 150mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LD2985AM28R has three pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current minimizes power consumption during standby or idle conditions.
• High output voltage accuracy provides precise voltage regulation for sensitive electronic components.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the regulator and connected circuitry from excessive current flow.

Advantages and Disadvantages

Advantages

• Compact size and easy integration into various electronic circuits.
• Wide input voltage range allows for flexibility in different applications.
• High output voltage accuracy ensures reliable performance.
• Thermal shutdown protection enhances safety and reliability.

Disadvantages

• Limited output current capacity may restrict its use in high-power applications.
• Dropout voltage may cause a slight loss of efficiency in certain scenarios.

Working Principles

LD2985AM28R operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This allows it to maintain a stable output voltage despite variations in the input voltage.

Detailed Application Field Plans

LD2985AM28R finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Automotive electronics - Industrial control systems - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LD2985AM28R are: - LM1117-2.8: A popular voltage regulator with similar specifications and features. - MCP1702-2802E: Another voltage regulator offering stable 2.8V output. - LT1763-2.8: A high-performance regulator suitable for demanding applications.

These alternative models provide similar functionality and can be used as substitutes depending on specific requirements.

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