LTC1147HVCS8-3.3#TRPBF

Product Overview

Category

The LTC1147HVCS8-3.3#TRPBF belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• High voltage capability
• Low dropout voltage
• Adjustable output voltage
• Current limiting protection
• Thermal shutdown protection

Package

The LTC1147HVCS8-3.3#TRPBF comes in an 8-pin surface mount package.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage, even when the input voltage fluctuates.

Packaging/Quantity

The LTC1147HVCS8-3.3#TRPBF is typically packaged in reels or tubes and is available in various quantities depending on the manufacturer.

Specifications

• Input Voltage Range: 4V to 18V
• Output Voltage Range: 3.3V
• Dropout Voltage: 300mV at 500mA
• Maximum Output Current: 500mA
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC1147HVCS8-3.3#TRPBF has the following pin configuration:

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

Functional Features

• High Voltage Capability: The LTC1147HVCS8-3.3#TRPBF can handle input voltages ranging from 4V to 18V, making it suitable for a wide range of applications.
• Low Dropout Voltage: With a dropout voltage of only 300mV at 500mA, this regulator minimizes power loss and maximizes efficiency.
• Adjustable Output Voltage: The output voltage can be adjusted to a precise value using an external resistor divider network.
• Current Limiting Protection: The LTC1147HVCS8-3.3#TRPBF incorporates current limiting protection to prevent excessive current flow and protect the circuitry.
• Thermal Shutdown Protection: In case of overheating, the regulator shuts down to prevent damage to the device.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile use in various applications.
• Low dropout voltage minimizes power dissipation and improves efficiency.
• Adjustable output voltage provides flexibility in design.
• Current limiting and thermal shutdown protection enhance reliability and safety.

Disadvantages

• Limited maximum output current of 500mA may not be sufficient for high-power applications.
• The 8-pin package may require surface mount soldering techniques, which can be challenging for some users.

Working Principles

The LTC1147HVCS8-3.3#TRPBF is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB pin) with a reference voltage to adjust the pass transistor's conduction, thereby maintaining a stable output voltage. The enable pin (EN) can be used to turn the regulator on or off.

Detailed Application Field Plans

The LTC1147HVCS8-3.3#TRPBF finds applications in various fields, including:

1. Battery-powered devices: Provides regulated voltage for portable electronics such as smartphones, tablets, and portable gaming consoles.
2. Automotive electronics: Ensures stable voltage supply for automotive sensors, control modules, and infotainment systems.
3. Industrial automation: Used in control systems, motor drives, and power supplies to maintain consistent voltage levels.
4. Telecommunications: Regulates voltage for networking equipment, routers, and communication devices.
5. Medical devices: Provides reliable voltage regulation for medical instruments and diagnostic equipment.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable linear voltage regulator with a wide input voltage range and adjustable output voltage.
2. LT1086: A low dropout voltage regulator with high current capability and thermal shutdown protection.
3. LM7805: A fixed 5V linear voltage regulator commonly used in electronic circuits.
4. ADP3339: A high-precision voltage regulator with low dropout voltage and current limiting protection.
5. MAX603: An ultra-low quiescent current voltage regulator suitable for battery-powered applications.

These alternative models offer similar functionality and can be considered as substitutes for the LTC1147HVCS8-3.3#TRPBF depending on specific requirements.

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