EL7551CUZ-T7

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: TO-220
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 250 units per reel

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 1.2V - 16V
• Output Current: 1.5A
• Dropout Voltage: 0.3V at 1A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The EL7551CUZ-T7 has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. ADJ: Adjustable pin for setting output voltage

Functional Features

• High efficiency conversion of input voltage to output voltage
• Low dropout voltage ensures stable output even with small input-output voltage difference
• Built-in thermal shutdown protection
• Short-circuit current limiting feature for enhanced safety
• Adjustable output voltage using external resistors

Advantages

• Compact size allows for easy integration into various electronic devices
• High efficiency results in reduced power consumption
• Wide input voltage range provides flexibility in different applications
• Low dropout voltage enables operation with low input-output voltage difference

Disadvantages

• Limited output current may not be suitable for high-power applications
• Requires external resistors for adjusting output voltage

Working Principles

The EL7551CUZ-T7 is a voltage regulator 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 the input voltage. The regulator operates by comparing the output voltage with a reference voltage and adjusting the internal components accordingly.

Detailed Application Field Plans

The EL7551CUZ-T7 is commonly used in various electronic devices and applications, including:

1. Battery-powered devices: Provides stable voltage supply for portable electronics such as smartphones, tablets, and portable gaming consoles.
2. Automotive electronics: Ensures a constant voltage supply for automotive systems, including infotainment systems, lighting, and sensors.
3. Industrial equipment: Used in control systems, motor drives, and power supplies to maintain stable voltage levels.
4. Communication systems: Provides regulated voltage for routers, switches, and other network equipment.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with a wide input voltage range and high output current capability.
2. LT1084: Low dropout voltage regulator with adjustable output voltage and high thermal stability.
3. LM7805: Fixed voltage regulator with a 5V output and high reliability.

These alternative models offer similar functionality to the EL7551CUZ-T7 and can be considered based on specific application requirements.

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