LTC3112IFE#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency step-up DC/DC converter - Wide input voltage range: 2.5V to 15V - Adjustable output voltage up to 40V - Maximum output current: 3A - Low quiescent current: 20µA - Internal soft-start - Thermal shutdown protection - Small footprint package

Package: 16-Lead TSSOP

Essence: The LTC3112IFE#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 LTC3112IFE#TRPBF is available in a 16-Lead Thin Shrink Small Outline Package (TSSOP). It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.5V to 15V
• Output Voltage Range: Up to 40V (adjustable)
• Maximum Output Current: 3A
• Quiescent Current: 20µA
• Efficiency: Up to 95%
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3112IFE#TRPBF has the following pin configuration:

```

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| | --| VIN SW |-- --| GND FB |-- --| PG VOUT|-- --| EN SYNC |-- --| SS VFB |-- --| BST AGND |-- --| LX PGND|-- |___________| ```

Functional Features

1. Wide Input Voltage Range: The LTC3112IFE#TRPBF can accept input voltages ranging from 2.5V to 15V, making it suitable for a variety of power management applications.

2. High Efficiency: With an efficiency of up to 95%, the LTC3112IFE#TRPBF minimizes power losses and maximizes energy conversion.

3. Adjustable Output Voltage: The output voltage can be adjusted up to 40V, providing flexibility in meeting specific application requirements.

4. Low Quiescent Current: The device has a low quiescent current of 20µA, reducing power consumption during standby or idle modes.

5. Thermal Shutdown Protection: The LTC3112IFE#TRPBF incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile use - High efficiency minimizes power losses - Adjustable output voltage provides flexibility - Low quiescent current reduces power consumption - Thermal shutdown protection ensures device safety

Disadvantages: - Limited maximum output current (3A)

Working Principles

The LTC3112IFE#TRPBF operates as a step-up DC/DC converter. It utilizes a high-frequency switching regulator to boost the input voltage to a higher output voltage level. The internal control circuitry adjusts the duty cycle of the switching transistor to regulate the output voltage. The device also includes features such as soft-start and thermal shutdown protection to enhance performance and safety.

Detailed Application Field Plans

The LTC3112IFE#TRPBF is commonly used in various power management applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - LED lighting

Detailed and Complete Alternative Models

1. LTC3112-1: Similar to LTC3112IFE#TRPBF, but with a different package (20-Lead TSSOP)
2. LTC3112-2: Higher maximum output current (5A), suitable for applications requiring higher power levels
3. LTC3112-3: Lower quiescent current (10µA), ideal for ultra-low power applications

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

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