MC33260DR2

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Adjustable Output Voltage
• Package: SOIC-8
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 20V
• Output Voltage Range: 1.25V to 16V
• Dropout Voltage: 0.6V at 1A Load Current
• Output Current: Up to 1A
• Quiescent Current: 120µA
• Line Regulation: ±0.3% typical
• Load Regulation: ±0.3% typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC33260DR2 has the following pin configuration:

1. GND (Ground)
2. Vout (Output Voltage)
3. Vin (Input Voltage)
4. Adj (Adjustment Pin)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Adjustable output voltage allows for flexibility in various applications.
• Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Compact SOIC-8 package offers space-saving benefits.
• High accuracy and stability make it suitable for precision applications.

Disadvantages

• Limited output current capacity may not be sufficient for high-power applications.
• Lack of built-in overcurrent protection requires external circuitry for current limiting.

Working Principles

The MC33260DR2 is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from the output. The error amplifier adjusts the pass transistor's conduction to maintain a stable output voltage, compensating for changes in load and input voltage.

Detailed Application Field Plans

The MC33260DR2 is commonly used in various applications, including:

1. Battery-powered devices: Provides regulated voltage for portable electronics, such as smartphones, tablets, and digital cameras.
2. Automotive systems: Ensures stable voltage supply for automotive electronics, including infotainment systems, lighting, and sensors.
3. Industrial equipment: Regulates voltage for control systems, motor drives, and instrumentation devices.
4. Communication systems: Used in routers, switches, and network equipment to maintain a constant power supply.
5. Consumer electronics: Suitable for audio/video equipment, gaming consoles, and home appliances.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with higher output current capability.
2. LT1086: Low dropout voltage regulator with adjustable output voltage and higher output current.
3. LM1117: Fixed output voltage regulator with low dropout voltage and high accuracy.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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