MP8903DJ-2.5-LF-Z

Overview

Product Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: TO-252-3 (DPAK)

Essence: The MP8903DJ-2.5-LF-Z is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The MP8903DJ-2.5-LF-Z is typically sold in reels containing 2500 units.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage Range: 1.2V - 5.5V
• Dropout Voltage: 200mV @ 500mA
• Output Current: Up to 3A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MP8903DJ-2.5-LF-Z has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

1. Low Dropout Voltage: The MP8903DJ-2.5-LF-Z exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
2. High Output Current Capability: With a maximum output current of 3A, this voltage regulator can power a wide range of electronic devices.
3. Adjustable Output Voltage: The output voltage can be adjusted within the specified range using external resistors, allowing flexibility in different applications.
4. Thermal Shutdown Protection: The IC incorporates a thermal shutdown feature that protects it from overheating, ensuring reliable operation.
5. Overcurrent Protection: The MP8903DJ-2.5-LF-Z includes overcurrent protection to safeguard against excessive current flow, preventing damage to the device and connected components.
6. Short-Circuit Protection: In the event of a short circuit, the voltage regulator automatically shuts down to prevent further damage.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for powering various devices - Adjustable output voltage provides flexibility - Built-in thermal shutdown and overcurrent protection enhance reliability - Short-circuit protection prevents damage during faults

Disadvantages: - None identified

Working Principles

The MP8903DJ-2.5-LF-Z operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MP8903DJ-2.5-LF-Z is widely used in various applications, including but not limited to: - Power supplies for consumer electronics - Battery-powered devices - Industrial control systems - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

1. LM1117-2.5
2. LT1084CP-2.5
3. TPS7A4700-2.5
4. ADP3339AKCZ-2.5
5. MAX6035AAUR25-T

These alternative models offer similar functionality and can be considered as alternatives to the MP8903DJ-2.5-LF-Z depending on specific requirements and availability.

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