LTC3619BIDD#TRPBF

Product Overview

Category

LTC3619BIDD#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used for voltage regulation and power conversion in various electronic devices and systems.

Characteristics

• High efficiency: The LTC3619BIDD#TRPBF offers high efficiency power conversion, minimizing energy loss during operation.
• 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 quiescent current consumption, ensuring efficient power management even during standby or idle modes.
• Compact package: LTC3619BIDD#TRPBF comes in a compact and space-saving package, facilitating integration into small form factor designs.
• Robustness: This IC is designed to withstand harsh operating conditions, ensuring reliable performance in demanding environments.

Package and Quantity

The LTC3619BIDD#TRPBF is available in a 10-pin DFN (Dual Flat No-Lead) package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Input Voltage Range: 2.25V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 3A
• Switching Frequency: Adjustable up to 4MHz
• Operating Temperature Range: -40°C to 125°C
• Efficiency: Up to 95%
• Quiescent Current: 50µA (typical)

Pin Configuration

The LTC3619BIDD#TRPBF features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching node connection
4. FB: Feedback pin for output voltage regulation
5. EN: Enable pin for device control
6. VOUT: Output voltage pin
7. PGND: Power ground pin
8. SS: Soft-start capacitor connection
9. BST: Boost capacitor connection
10. LX: Inductor connection

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• Adjustable switching frequency enables optimization for different applications.
• Integrated power MOSFETs simplify the design and reduce external component count.
• Current mode control ensures stable and reliable operation.
• Soft-start feature prevents excessive inrush current during startup.

Advantages and Disadvantages

Advantages

• High efficiency power conversion reduces energy waste.
• Compact package facilitates integration into space-constrained designs.
• Wide input voltage range enhances versatility.
• Robustness ensures reliable performance in challenging environments.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires careful thermal management due to compact package size.

Working Principles

The LTC3619BIDD#TRPBF operates based on a buck-boost topology, allowing it to regulate the output voltage efficiently regardless of whether the input voltage is higher or lower than the desired output voltage. It utilizes a combination of internal power MOSFETs, control circuitry, and feedback mechanisms to achieve accurate voltage regulation and power conversion.

Application Field Plans

The LTC3619BIDD#TRPBF finds application in various fields, including but not limited to: - Portable electronic devices such as smartphones, tablets, and wearable devices. - Battery-powered systems like portable medical devices and handheld instruments. - Industrial equipment requiring efficient power management. - Automotive electronics for voltage regulation and power conversion.

Alternative Models

For those seeking alternative options, the following models can be considered: - LTC3619AIDD#TRPBF - LTC3619CIDD#TRPBF - LTC3619EIDD#TRPBF

These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific applications.

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