LD39130SJ18R

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current Capability
• Package: TO-263-7L (D2PAK)
• Essence: LD39130SJ18R is a voltage regulator integrated circuit designed for low dropout applications. It provides a stable output voltage with high current capability.
• Packaging/Quantity: The LD39130SJ18R is available in a TO-263-7L package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 1.8V
• Output Current: Up to 1.5A
• Dropout Voltage: 300mV at 1A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD39130SJ18R has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. BYP: Bypass Capacitor Connection
5. VOUT: Output Voltage
6. NC: No Connection
7. PGND: Power Ground

Functional Features

• Low dropout voltage ensures stable output even when input voltage is close to the desired output voltage.
• High current capability allows for powering devices with higher power requirements.
• Enable pin allows for easy on/off control of the regulator.
• Bypass capacitor connection improves stability and reduces noise.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High current capability allows for versatile applications. - Enable pin provides flexibility in controlling the regulator. - Bypass capacitor connection enhances stability.

Disadvantages: - Limited input voltage range (2.5V to 6V). - Dropout voltage of 300mV may not be suitable for ultra-low power applications.

Working Principles

The LD39130SJ18R is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The LD39130SJ18R can be used in various applications, including but not limited to: - Power supplies for microcontrollers and digital circuits. - Battery-powered devices requiring stable voltage regulation. - Automotive electronics. - Industrial control systems. - Portable consumer electronics.

Detailed and Complete Alternative Models

Some alternative models to LD39130SJ18R that offer similar functionality are: - LM1117-1.8: Low dropout voltage regulator with 1.8V output. - LT1763-1.8: Ultra-low dropout regulator with 1.8V output. - TPS7A1801-SP: Radiation-hardened low dropout regulator with 1.8V output.

These alternative models provide options with different features and specifications to suit specific application requirements.

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