LD29300D2M25

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High current, low dropout voltage, adjustable output voltage
• Package: D2PAK (TO-263)
• Essence: LD29300D2M25 is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.
• Packaging/Quantity: Available in tape and reel packaging, with 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage Range: 1.25V to 20V
• Output Current: Up to 3A
• Dropout Voltage: 0.6V typical at 3A load
• Quiescent Current: 10mA typical
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LD29300D2M25 IC has the following pin configuration:

___________ | | IN |1 4| OUT | | GND |2 3| ADJ |___________|

Functional Features

• High Current Capability: The LD29300D2M25 can handle output currents of up to 3A, making it suitable for power-hungry applications.
• Low Dropout Voltage: With a typical dropout voltage of only 0.6V at 3A load, this IC ensures efficient power conversion even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be easily adjusted using an external resistor divider network connected to the ADJ pin.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High current capability - Low dropout voltage - Adjustable output voltage - Thermal shutdown protection

Disadvantages: - Limited input voltage range (4.5V to 26V) - Quiescent current of 10mA may be relatively high for low-power applications

Working Principles

The LD29300D2M25 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The LD29300D2M25 is commonly used in various electronic devices and applications, including but not limited to: - Power supplies for microcontrollers and other digital circuits - Battery-powered devices requiring regulated voltage - Automotive electronics - Industrial control systems - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LD29300D2M25 are: - LM317: Adjustable voltage regulator with similar characteristics - LT1083: High-current adjustable voltage regulator - LDO50V: Low dropout voltage regulator suitable for higher voltage applications

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

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