LTC1155CN8#PBF

Product Overview

Category

The LTC1155CN8#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation and power management applications.

Characteristics

• The LTC1155CN8#PBF is a versatile IC that offers high efficiency and precision.
• It provides a wide input voltage range, making it suitable for various power supply designs.
• This IC incorporates multiple features such as current limiting, thermal shutdown, and adjustable output voltage.

Package

The LTC1155CN8#PBF is available in an 8-pin plastic dual in-line package (PDIP).

Essence

The essence of this product lies in its ability to regulate and control voltage levels efficiently, ensuring stable and reliable power supply in electronic systems.

Packaging/Quantity

The LTC1155CN8#PBF is typically packaged in reels or tubes, with a quantity of 98 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 36V
• Output Voltage Range: 1.24V to 35V
• Maximum Output Current: 100mA
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 80µA

Detailed Pin Configuration

The LTC1155CN8#PBF has the following pin configuration:

1. GND (Ground)
2. VOUT (Output Voltage)
3. VIN (Input Voltage)
4. FB (Feedback)
5. SHDN (Shutdown)
6. COMP (Compensation)
7. NC (No Connection)
8. VREF (Reference Voltage)

Functional Features

• Current Limiting: The LTC1155CN8#PBF incorporates a current limit circuitry that protects the device from excessive current flow.
• Thermal Shutdown: In case of excessive temperature, the IC automatically shuts down to prevent damage.
• Adjustable Output Voltage: The output voltage can be adjusted using an external resistor divider network.
• Low Quiescent Current: The IC has a low quiescent current, minimizing power consumption in standby mode.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss.
• Multiple built-in protection features enhance reliability.
• Adjustable output voltage provides flexibility in design.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires additional external components for proper operation.

Working Principles

The LTC1155CN8#PBF operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The input voltage is converted into a high-frequency square wave, which is then filtered and regulated to provide the desired output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the PWM signal to maintain a stable output.

Detailed Application Field Plans

The LTC1155CN8#PBF finds applications in various fields, including but not limited to: 1. Battery-powered devices: Provides efficient voltage regulation for portable electronics. 2. Industrial automation: Used in control systems and power supplies. 3. Automotive electronics: Suitable for voltage regulation in automotive applications. 4. Telecommunications: Ensures stable power supply in communication equipment. 5. Renewable energy systems: Enables efficient power management in solar or wind energy systems.

Detailed and Complete Alternative Models

1. LTC1153CN8#PBF: Similar to LTC1155CN8#PBF with lower quiescent current.
2. LTC1150CN8#PBF: Offers higher maximum output current compared to LTC1155CN8#PBF.
3. LTC1152CN8#PBF: Provides additional features such as adjustable soft-start and power good signal.

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

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