LTC3122IDE#PBF

Product Overview

Category

LTC3122IDE#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

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

Characteristics

• High efficiency: LTC3122IDE#PBF offers high conversion efficiency, ensuring optimal power utilization.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low quiescent current: The device has low power consumption during standby or idle mode.
• Compact package: LTC3122IDE#PBF comes in a small form factor, enabling space-saving designs.
• Robustness: It provides protection features such as overvoltage, overcurrent, and thermal shutdown.

Package and Quantity

LTC3122IDE#PBF is available in a compact 16-pin DFN (Dual Flat No-Lead) package. It is typically sold in reels containing a specific quantity, usually around 250 units per reel.

Specifications

• Input Voltage Range: 2.5V - 15V
• Output Voltage Range: 0.6V - 14V
• Maximum Output Current: 1.5A
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3122IDE#PBF IC has 16 pins arranged as follows:

Pin 1: VIN Pin 2: SW Pin 3: GND Pin 4: FB Pin 5: VOUT Pin 6: SS Pin 7: SYNC Pin 8: VCC Pin 9: EN Pin 10: PG Pin 11: AGND Pin 12: PGND Pin 13: VOUT Pin 14: SW Pin 15: VIN Pin 16: GND

Functional Features

• Wide Input Voltage Range: LTC3122IDE#PBF can accept a wide range of input voltages, allowing it to be used in various power supply scenarios.
• High Efficiency: The device offers high conversion efficiency, minimizing power losses and maximizing energy utilization.
• Synchronous Rectification: It employs synchronous rectification to enhance overall efficiency and reduce heat dissipation.
• Soft-Start and Current Limit: LTC3122IDE#PBF incorporates soft-start and current limit functions to prevent excessive inrush current during startup and protect the system from overcurrent conditions.
• Power Good Indicator: The IC includes a power good indicator pin that provides a signal indicating the output voltage is within the desired range.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and longer battery life.
• Wide input voltage range allows for versatile applications.
• Compact package enables space-saving designs.
• Protection features ensure safe operation and system reliability.
• Synchronous rectification enhances overall efficiency.

Disadvantages

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

Working Principles

LTC3122IDE#PBF operates as a step-up (boost) or step-down (buck) voltage regulator, depending on the input and output voltage requirements. It utilizes a switching regulator topology to efficiently convert the input voltage to the desired output voltage. The internal control circuitry adjusts the duty cycle of the switching transistor to regulate the output voltage accurately. By employing synchronous rectification, it minimizes power losses and improves overall efficiency.

Application Field Plans

LTC3122IDE#PBF finds applications in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - IoT (Internet of Things) devices

Alternative Models

Some alternative models that can be considered as substitutes for LTC3122IDE#PBF are: - LM2576-ADJ - TPS5430 - LT1763-3.3

These models offer similar functionalities and may vary in terms of specifications, package type, or cost.

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