LTC3119IUFD#TRPBF

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LTC3119IUFD#TRPBF

IC REG BUCK BOOST ADJ 5A 28QFN

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規格

Part Status Active
Function Step-Up/Step-Down
Output Configuration Positive
Topology Buck-Boost
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.5V
Voltage - Input (Max) 18V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 18V
Current - Output 5A
Frequency - Switching 400kHz ~ 2MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case 28-WFQFN Exposed Pad
Supplier Device Package 28-QFN (4x5)
Base Product Number LTC3119

概述

Description

The LTC3119IUFD#TRPBF is a high-efficiency, buck-boost DC-DC converter designed by Analog Devices for applications requiring a wide input voltage range, specifically for powering devices from input voltages below, above, or equal to the output voltage. It features a wide input voltage range of 2.7V to 15V and can generate output voltages from 2.5V to 15V, making it ideal for battery-powered applications and energy harvesting.
Key features include a built-in power switch, low quiescent current, and high efficiency up to 96%. It also supports various operating modes, including continuous and pulse-skipping modes, to optimize performance for different load conditions. The device is available in a compact 10-lead MSOP package, facilitating easy integration into space-constrained designs.
Overall, the LTC3119 is suited for applications such as portable devices, IoT modules, and battery management systems, providing a reliable solution for efficient power conversion in various electronic systems.

Features

The LTC3119IUFD#TRPBF is a high-efficiency buck-boost converter designed for battery and energy harvesting applications. Key features include:
1. Wide Input Voltage Range: Operates from 2.7V to 40V, accommodating various power sources.
2. High Efficiency: Up to 96% efficiency, ensuring minimal power loss during conversion.
3. Fixed or Adjustable Output Voltage: Offers flexibility for different applications.
4. Low Quiescent Current: Minimizes power consumption in sleep mode, ideal for battery-powered devices.
5. Integrated Power Switches: Reduces external component count and PCB space.
6. Adaptive Control: Automatically optimizes performance under varying load conditions.
7. Thermal Protection: Includes features to prevent overheating and ensure reliability.
8. Small Package Size: Available in a compact 16-lead TSSOP package, suitable for space-constrained applications.
These features make the LTC3119 suitable for portable devices, energy harvesting systems, and applications requiring efficient voltage regulation.

Package

The LTC3119IUFD#TRPBF is packaged in a 20-pin 3mm x 3mm QFN (quad flat no-lead) package.

Pinout

The LTC3119IUFD#TRPBF is a highly efficient buck-boost converter with a total of 16 pins. Its primary functions include:
1. Input Supply Voltage: Accepts input voltages from 2.7V to 15V.
2. Output Voltage: Capable of providing a regulated output voltage from 1.2V to 15V, depending on the configuration.
3. Current Sense: Features pins for current sensing to monitor and manage output current.
4. Switch Control: Contains pins for controlling and driving external MOSFETs.
5. Inductor Connection: Includes pins for connecting the inductor necessary for buck-boost operation.
6. Feedback and Compensation: Equipped with feedback pins for voltage regulation and compensation network connections.
7. Enable/Shutdown: Offers pins to enable or disable the converter.
8. Soft-Start: Incorporates a soft-start function to prevent inrush current during startup.
This device is ideal for applications requiring battery management, power regulation, and energy harvesting due to its versatility and efficiency.

Manufacturer

The LTC3119IUFD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is an American multinational semiconductor company that designs and manufactures a wide range of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company's products are widely used in various applications, including industrial automation, automotive, communications, and consumer electronics. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices focuses on delivering innovative solutions to enable advancements in technology and improve performance in electronics systems.

Application

The LTC3119IUFD#TRPBF is a highly efficient step-up DC-DC converter primarily used in applications such as battery-powered devices, energy harvesting systems, solar power systems, and portable electronics. It is suitable for powering low-voltage loads from a higher voltage source, enabling efficient energy management in applications requiring compact designs and high performance.

Equivalent

The LTC3119IUFD#TRPBF is a step-up/step-down DC-DC converter. Equivalent products include:
1. TPS63060 - Texas Instruments
2. MT3608 - Monolithic Power Systems
3. LTC3780 - Analog Devices
4. MAX756 - Maxim Integrated
These alternatives may vary in specifications such as input/output voltage ranges and current capabilities, so it's essential to review datasheets for compatibility with your application.

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