LTC3110HFE#PBF

Product Overview

Category

The LTC3110HFE#PBF belongs to the category of integrated circuits (ICs) used in power management applications.

Use

This IC is specifically designed for high-efficiency step-down DC/DC conversion. It is commonly used in various electronic devices and systems that require regulated power supply.

Characteristics

• High efficiency: The LTC3110HFE#PBF offers excellent power conversion efficiency, minimizing energy losses during voltage conversion.
• Wide input voltage range: It can accept input voltages ranging from 2.5V to 15V, making it suitable for a wide range of applications.
• Adjustable output voltage: The output voltage can be adjusted using external resistors, allowing flexibility in meeting specific requirements.
• Low quiescent current: The IC has low standby current consumption, contributing to overall power savings.
• Overcurrent protection: It incorporates overcurrent protection circuitry to safeguard against excessive current flow.

Package and Quantity

The LTC3110HFE#PBF is available in a compact 20-pin TSSOP (Thin Shrink Small Outline Package). It is typically sold in reels containing a quantity of 250 units.

Specifications

• Input Voltage Range: 2.5V - 15V
• Output Voltage Range: 0.8V - VIN
• Maximum Output Current: 3A
• Switching Frequency: 1MHz
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3110HFE#PBF features a 20-pin TSSOP package with the following pin configuration:

Pin 1: VIN Pin 2: SW Pin 3: GND Pin 4: FB Pin 5: VOUT Pin 6: VCC Pin 7: SS/TR/UVLO Pin 8: SYNC Pin 9: PGND Pin 10: EN Pin 11: MODE Pin 12: RT Pin 13: CT Pin 14: SS Pin 15: AGND Pin 16: COMP Pin 17: SS Pin 18: SS Pin 19: SS Pin 20: SS

Functional Features

• High-efficiency step-down DC/DC conversion.
• Adjustable output voltage through external resistors.
• Overcurrent protection for enhanced safety.
• Wide input voltage range for versatile applications.
• Low quiescent current for power savings.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced energy losses.
• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides flexibility in meeting specific requirements.
• Overcurrent protection ensures safe operation.
• Compact package size facilitates integration into space-constrained designs.

Disadvantages

• Limited maximum output current of 3A may not be suitable for high-power applications.
• Higher cost compared to some alternative models.

Working Principles

The LTC3110HFE#PBF operates on the principle of pulse-width modulation (PWM) to achieve high-efficiency step-down voltage conversion. It utilizes an internal switch to control the flow of energy from the input to the output, regulating the output voltage based on feedback from the FB pin. The IC incorporates various control mechanisms to maintain stable and accurate output voltage under different load conditions.

Application Field Plans

The LTC3110HFE#PBF finds application in a wide range of electronic devices and systems, including but not limited to: - Portable electronic devices such as smartphones, tablets, and portable media players. - Battery-powered systems like handheld gaming consoles and wireless communication devices. - Industrial equipment requiring regulated power supply, such as sensors and control systems. - Automotive electronics, including infotainment systems and advanced driver-assistance systems (ADAS). - Renewable energy systems, where efficient voltage conversion is crucial for maximizing energy harvesting.

Alternative Models

For those seeking alternative options, the following models offer similar functionality to the LTC3110HFE#PBF: - LT8610ABEMSE#PBF - TPS54332DDAR - ADP2384ACPZ-R7

These models provide comparable features and can be considered based on specific application requirements.

In conclusion, the LTC3110HFE#PBF is a high-efficiency step-down DC/DC converter IC designed for various power management applications. With its wide input voltage range, adjustable output voltage, and compact package, it offers flexibility and efficiency in regulated power supply. While it has some limitations in terms of maximum output current and cost, it remains a reliable choice for many electronic systems.