LD2985BM50R

Product Overview

Category

LD2985BM50R 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

The LD2985BM50R comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of LD2985BM50R lies in its ability to provide a stable and regulated output voltage despite fluctuations in input voltage or load conditions.

Packaging/Quantity

The LD2985BM50R is typically packaged in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V - 16V
• Output Voltage: 5.0V
• Dropout Voltage: 400mV @ 100mA
• Quiescent Current: 75µA
• Output Current: 150mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD2985BM50R has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Low Dropout Voltage: The LD2985BM50R exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: With a low quiescent current, the LD2985BM50R minimizes power consumption when the load is light.
• High Output Voltage Accuracy: This voltage regulator provides high accuracy in maintaining the desired output voltage, ensuring reliable performance of the connected circuitry.
• Thermal Shutdown Protection: The LD2985BM50R incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
• Short-Circuit Current Limit: It has a built-in short-circuit current limit feature that protects the regulator and the connected components from excessive current.

Advantages and Disadvantages

Advantages

• Small package size suitable for space-constrained applications.
• Wide input voltage range allows flexibility in various electronic circuits.
• Low dropout voltage ensures efficient regulation.
• High output voltage accuracy guarantees reliable performance.
• Thermal shutdown protection prevents overheating.

Disadvantages

• Limited output current capacity (150mA).
• Not suitable for high-power applications.

Working Principles

The LD2985BM50R is a linear voltage regulator that operates by comparing the output voltage with a reference voltage. It adjusts the resistance between the input and output pins to maintain a constant output voltage, compensating for changes in input voltage or load conditions.

Detailed Application Field Plans

The LD2985BM50R finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - Automotive electronics - Industrial control systems - IoT devices

Detailed and Complete Alternative Models

Some alternative models to LD2985BM50R include: - LM1117-5.0 - LT1761-5.0 - MCP1700-500

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

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