VN771KP-E

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High voltage, low power consumption
• Package: TO-220
• Essence: Voltage Regulator
• Packaging/Quantity: Tray, 100 pieces per tray

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Maximum Output Current: 1.5A
• Dropout Voltage: 1.2V at 1A
• Quiescent Current: 5mA
• Line Regulation: 0.2%
• Load Regulation: 0.4%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The VN771KP-E has a standard TO-220 package with three pins:

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

Functional Features

• Wide input voltage range allows for versatile applications
• Low dropout voltage ensures efficient power conversion
• Excellent line and load regulation for stable output voltage
• Thermal shutdown protection prevents overheating
• Short-circuit protection safeguards the circuitry

Advantages

• High voltage capability enables usage in various electronic systems
• Low power consumption results in energy-efficient operation
• Compact TO-220 package facilitates easy integration into designs
• Reliable thermal and short-circuit protection enhances safety

Disadvantages

• Limited maximum output current may restrict certain high-power applications
• Higher cost compared to some alternative models

Working Principles

The VN771KP-E is a voltage regulator that maintains a stable output voltage regardless of fluctuations in the input voltage. It utilizes a feedback mechanism to adjust the internal circuitry and ensure a constant output voltage. The device operates by comparing the actual output voltage with a reference voltage and adjusting the internal components accordingly.

Detailed Application Field Plans

The VN771KP-E finds applications in various fields, including:

1. Automotive electronics: Power supply for car audio systems, lighting modules, and control units.
2. Industrial automation: Voltage regulation for motor drives, sensors, and PLCs.
3. Consumer electronics: Power management in televisions, audio amplifiers, and gaming consoles.
4. Renewable energy: Voltage control in solar power systems and wind turbines.
5. Telecommunications: Power supply for routers, switches, and base stations.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with similar specifications.
2. LT1084: High current, low dropout voltage regulator.
3. LM7805: Fixed 5V voltage regulator commonly used in electronic circuits.
4. TPS7A4700: Ultra-low noise, high PSRR voltage regulator.

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

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