LTC3615IFE-1

Product Overview

Category

LTC3615IFE-1 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices to regulate and control power supply voltages efficiently.

Characteristics

• High efficiency power conversion
• Wide input voltage range
• Low quiescent current
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

LTC3615IFE-1 is available in a small, surface-mount package known as ThinSOT-23. This package offers compactness and ease of integration into electronic circuit boards.

Essence

The essence of LTC3615IFE-1 lies in its ability to provide efficient power management solutions by regulating input voltages and delivering stable output voltages.

Packaging/Quantity

LTC3615IFE-1 is typically packaged in reels containing 3000 units. This packaging format ensures convenient handling and storage during manufacturing processes.

Specifications

• Input Voltage Range: 2.25V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 1A
• Quiescent Current: 20µA
• Switching Frequency: 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

LTC3615IFE-1 features a total of six pins:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. SW: Switching node pin
4. FB: Feedback pin for output voltage regulation
5. EN: Enable pin for turning the IC on/off
6. VOUT: Output voltage pin

Functional Features

• High Efficiency: The LTC3615IFE-1 utilizes advanced power conversion techniques to achieve high efficiency, minimizing power losses and maximizing battery life in portable devices.
• Wide Input Voltage Range: With an input voltage range of 2.25V to 5.5V, this IC can be used with various power sources, including batteries and regulated power supplies.
• Adjustable Output Voltage: The output voltage can be easily adjusted within the specified range to meet the requirements of different applications.
• Overcurrent Protection: LTC3615IFE-1 incorporates overcurrent protection, safeguarding the circuit from excessive current flow and potential damage.
• Thermal Shutdown Protection: In case of excessive temperature rise, the IC automatically shuts down to prevent overheating and ensure safe operation.

Advantages and Disadvantages

Advantages

• High efficiency power conversion leads to energy savings.
• Wide input voltage range allows for versatile application scenarios.
• Compact ThinSOT-23 package enables space-efficient designs.
• Overcurrent and thermal shutdown protections enhance reliability.

Disadvantages

• Limited maximum output current (1A) may not be suitable for high-power applications.
• Requires external components for complete power management solutions.

Working Principles

LTC3615IFE-1 operates based on a switching regulator topology. It utilizes a combination of inductors, capacitors, and switches to efficiently convert the input voltage to the desired output voltage. By rapidly switching the input voltage on and off, the IC controls the energy flow and regulates the output voltage according to the feedback received.

Detailed Application Field Plans

LTC3615IFE-1 finds applications in various electronic devices, including but not limited to: - Portable consumer electronics (e.g., smartphones, tablets) - Battery-powered devices (e.g., wearables, wireless sensors) - Industrial equipment (e.g., automation systems, control modules) - Automotive electronics (e.g., infotainment systems, lighting controls)

Detailed and Complete Alternative Models

• LTC3615IFE: Similar to LTC3615IFE-1, but without the "-1" suffix.
• LTC3615HFE: Higher maximum output current (2A) variant of LTC3615IFE-1.
• LTC3615MPFE: Monolithic synchronous buck regulator with similar features and performance.

These alternative models offer flexibility in terms of output current capabilities and package options, catering to different application requirements.

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