L4938NPD013TR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, low power dissipation
• Package: PDIP-16 (Plastic Dual In-line Package)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 2.5V to 37V
• Output Current: Up to 1.5A
• Quiescent Current: 10mA
• Ripple Rejection: 70dB
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L4938NPD013TR IC has a total of 16 pins arranged as follows:

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| | | 1 16 | | | | 2 15 | | | | 3 14 | | | | 4 13 | | | | 5 12 | | | | 6 11 | | | | 7 10 | | | | 8 9 | |___________| ```

Functional Features

• Wide input voltage range for versatile applications.
• Adjustable output voltage with high precision.
• Overcurrent and thermal protection.
• Low dropout voltage for efficient power conversion.
• Fast transient response.

Advantages and Disadvantages

Advantages: - High efficiency resulting in low power dissipation. - Wide operating temperature range. - Excellent ripple rejection. - Compact PDIP-16 package for easy integration.

Disadvantages: - Limited output current compared to some other models. - Not suitable for high-power applications.

Working Principles

The L4938NPD013TR is a voltage regulator IC that maintains a stable output voltage regardless of variations in the input voltage. It achieves this by using a feedback mechanism that continuously adjusts the internal circuitry to compensate for changes in load and input conditions. The IC also incorporates protection features such as overcurrent and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The L4938NPD013TR is commonly used in various applications, including but not limited to:

1. Automotive electronics: Powering sensors, actuators, and control modules.
2. Industrial automation: Providing regulated power to control systems and motor drives.
3. Consumer electronics: Voltage regulation for audio/video equipment, set-top boxes, etc.
4. Telecommunications: Power management in network devices, routers, and switches.
5. Renewable energy systems: Regulating voltage in solar panels and wind turbines.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with higher output current capability.
2. LT1084: Low dropout voltage regulator with adjustable output voltage.
3. LM7805: Fixed 5V voltage regulator suitable for low-power applications.
4. TPS7A4700: High-performance voltage regulator with ultra-low noise output.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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