LX8587-15CDD

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short circuit current limiting - Overcurrent and overtemperature protection

Package: DFN-8 (Dual Flat No-Lead)

Essence: The LX8587-15CDD is a voltage regulator IC designed to provide a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate the voltage supplied to sensitive components.

Packaging/Quantity: The LX8587-15CDD is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 1.5V
• Dropout Voltage: 200mV at 3A
• Output Current: Up to 3A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LX8587-15CDD has a total of 8 pins, which are labeled as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. VOUT: Output voltage pin
6. NC: No connection pin
7. NC: No connection pin
8. PGND: Power ground pin

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• High output current capability allows the IC to power demanding loads.
• Thermal shutdown protection prevents the IC from overheating and damaging itself or other components.
• Short circuit current limiting protects the IC and connected devices from excessive current flow during a short circuit event.
• Overcurrent and overtemperature protection safeguards the IC against excessive current or temperature, preventing damage.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for demanding loads - Thermal shutdown protection prevents overheating - Short circuit current limiting protects against excessive current flow - Overcurrent and overtemperature protection safeguards against damage

Disadvantages: - Limited output voltage options (only 1.5V) - Requires external bypass capacitor for optimal performance

Working Principles

The LX8587-15CDD operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a stable 1.5V output voltage. The internal circuitry of the IC adjusts the output voltage based on the feedback received from the output pin. This feedback loop ensures that the output voltage remains constant even when the input voltage or load conditions change.

Detailed Application Field Plans

The LX8587-15CDD is widely used in various electronic devices where a stable and regulated voltage supply is required. Some common application fields include:

1. Mobile Devices: Used to regulate the voltage supplied to power-sensitive components such as processors, memory modules, and display panels in smartphones and tablets.
2. Automotive Electronics: Employed in automotive systems to provide a stable voltage for microcontrollers, sensors, and other electronic components.
3. Industrial Control Systems: Used in control systems to regulate voltage for PLCs (Programmable Logic Controllers), motor drives, and other industrial equipment.
4. Consumer Electronics: Found in audio/video equipment, gaming consoles, and other consumer electronics to ensure a stable power supply for various components.

Detailed and Complete Alternative Models

1. LM1117-1.5: A popular alternative with similar specifications and features.
2. LT1763-1.5: Offers lower dropout voltage and higher output current capability.
3. ADP3339-1.5: Provides enhanced thermal protection and stability.

These alternative models can be considered based on specific requirements and application needs.

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