LTC3118EFE#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency step-up DC/DC converter - Wide input voltage range: 2.5V to 18V - Adjustable output voltage up to 38V - Maximum output current: 3A - Low quiescent current: 40µA - Internal soft-start - Thermal shutdown protection - Small footprint package

Package: 20-Lead TSSOP

Essence: The LTC3118EFE#TRPBF is a high-efficiency step-up DC/DC converter designed for power management applications. It provides a compact and efficient solution for boosting low input voltages to higher output voltages.

Packaging/Quantity: The LTC3118EFE#TRPBF is available in a 20-Lead Thin Shrink Small Outline Package (TSSOP). It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: Up to 38V (adjustable)
• Maximum Output Current: 3A
• Quiescent Current: 40µA
• Switching Frequency: 1MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3118EFE#TRPBF has the following pin configuration:

```

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| | --| VIN GND |-- --| SW FB |-- --| PG VOUT |-- --| EN SS |-- --| UVLO PGOOD |-- --| RT SYNC |-- --| VFB |-- --|_______________| ```

Functional Features

1. High Efficiency: The LTC3118EFE#TRPBF offers high efficiency, allowing for maximum power conversion with minimal energy loss.

2. Wide Input Voltage Range: It can accept input voltages ranging from 2.5V to 18V, making it suitable for a wide range of applications.

3. Adjustable Output Voltage: The output voltage can be adjusted up to 38V, providing flexibility in meeting specific power requirements.

4. Low Quiescent Current: With a quiescent current of only 40µA, the LTC3118EFE#TRPBF minimizes power consumption during standby or idle modes.

5. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, ensuring safe operation even under high temperature conditions.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation - Wide input voltage range allows for versatile application scenarios - Adjustable output voltage provides flexibility in design - Low quiescent current minimizes power consumption - Thermal shutdown protection ensures safe operation

Disadvantages: - Limited maximum output current (3A) - Requires external components for proper operation

Working Principles

The LTC3118EFE#TRPBF operates as a step-up DC/DC converter. It utilizes an internal switch to regulate the input voltage and boost it to a higher output voltage. The switching frequency is set at 1MHz, enabling efficient power conversion. The IC also includes features such as soft-start and thermal shutdown protection to enhance performance and safety.

Application Field Plans

The LTC3118EFE#TRPBF is commonly used in various power management applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - Distributed power supplies

Alternative Models

1. LTC3118EFE: Similar to LTC3118EFE#TRPBF, but without the tape and reel packaging.
2. LTC3118IFE: 16-Lead TSSOP package variant of LTC3118EFE#TRPBF.
3. LTC3118HFE: High-temperature variant suitable for harsh operating environments.

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

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