LTC1574CS#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - High Output Current - Adjustable Output Voltage - Thermal Shutdown Protection

Package: SOIC-8

Essence: The LTC1574CS#PBF is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and control the voltage supplied to different components.

Packaging/Quantity: The LTC1574CS#PBF is available in a standard SOIC-8 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V to 7V
• Output Voltage Range: 1.25V to 6.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV at 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC1574CS#PBF has the following pin configuration:

___________ | | NC | 1 8 | VOUT IN | 2 7 | GND NC | 3 6 | NC EN | 4 5 | FB |___________|

1. NC: No Connection
2. IN: Input Voltage
3. NC: No Connection
4. EN: Enable Pin (Active High)
5. FB: Feedback Pin
6. NC: No Connection
7. GND: Ground
8. VOUT: Output Voltage

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• High output current capability allows it to power a wide range of electronic components.
• Adjustable output voltage provides flexibility in different applications.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - High output current capability for powering various components. - Adjustable output voltage offers flexibility. - Thermal shutdown protection prevents damage from overheating.

Disadvantages: - Limited maximum output current compared to some other voltage regulators. - Requires external components for proper operation.

Working Principles

The LTC1574CS#PBF operates as a linear voltage regulator. It uses a feedback mechanism to maintain a stable output voltage regardless of changes in the input voltage or load conditions. The enable pin allows the user to control the regulator's operation, while the thermal shutdown protection ensures safe operation under high-temperature conditions.

Detailed Application Field Plans

The LTC1574CS#PBF can be used in various applications that require voltage regulation, such as: 1. Battery-powered devices 2. Portable electronics 3. Automotive systems 4. Industrial equipment 5. Communication devices

Detailed and Complete Alternative Models

Some alternative models to the LTC1574CS#PBF include: - LM317: Adjustable Voltage Regulator - LT1084: Low Dropout Positive Fixed Voltage Regulator - LM1117: Low Dropout Linear Regulator - MAX603: Micropower Low Dropout Voltage Reference

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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