LTC3789EGN#TRPBF

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LTC3789EGN#TRPBF

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IC REG CTRLR BUCK-BOOST 28SSOP

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Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Up/Step-Down
OutputConfiguration Positive
Topology Buck-Boost
NumberofOutputs 2
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 4V ~ 38V
Frequency-Switching 200kHz ~ 640kHz
DutyCycle(Max) 90%
SynchronousRectifier Yes
ClockSync No
ControlFeatures Current Limit, Enable, Frequency Control, Power Good, Soft Start
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 28-SSOP (0.154, 3.90mm Width)

Übersicht

Description

The LTC3789EGN#TRPBF is a high-performance buck-boost DC/DC converter IC from Analog Devices, designed for power management applications. It offers seamless transition between step-up (boost) and step-down (buck) modes, making it suitable for applications where input voltage can be above, below, or equal to the output voltage. This flexibility is ideal for battery-powered systems or applications requiring a stable output from variable input sources.
Key features include high efficiency (up to 98%), wide input voltage range (4V to 38V), and output voltage range (0.8V to 38V). The LTC3789 utilizes a constant frequency, current mode control architecture, ensuring fast transient response and easy loop compensation. It operates with a programmable switching frequency from 200kHz to 700kHz, allowing for optimization between efficiency and component size.
The chip also integrates protections such as overcurrent, overvoltage, and thermal shutdown, enhancing reliability. The LTC3789EGN#TRPBF comes in a thermally-enhanced 16-lead TSSOP package, making it suitable for compact designs where space and thermal management are critical.

Equivalent

The LTC3789EGN#TRPBF is a high-performance, synchronous step-up DC/DC controller. Equivalent or similar products from other manufacturers include the Texas Instruments LM5122, the Maxim Integrated MAX17020, and the Microchip Technology MCP1631. These alternatives may vary slightly in specifications, so it's important to compare features such as input voltage range, efficiency, switching frequency, and package type to ensure compatibility with your application.

Features

The LTC3789EGN#TRPBF is a high-performance, synchronous step-up DC/DC controller designed by Analog Devices. It features a wide input voltage range of 4V to 38V, and it can output up to 60V, making it suitable for a variety of applications, including automotive and industrial power systems.
Key features include:
- Synchronous rectification, which improves efficiency by reducing power loss.
- Constant-frequency current mode control for consistent performance.
- Adjustable operating frequency from 50kHz to 900kHz, allowing for design flexibility.
- Programmable soft-start to minimize inrush current during startup.
- High efficiency over a wide load range, ideal for battery-powered devices.
- Burst Mode® operation to improve efficiency at light loads by reducing switching losses.
- Built-in protection features, such as overvoltage lockout, overcurrent protection, and thermal shutdown, enhancing reliability.
The chip is available in a 16-lead SSOP package and supports a wide temperature range, making it versatile for different environments.

Pinout

The LTC3789EGN#TRPBF is a high-performance buck-boost switching regulator controller from Analog Devices. It features a 16-pin configuration. The primary function of the LTC3789 is to regulate a constant output voltage in applications where the input voltage can be above, below, or equal to the output voltage. This makes it ideal for battery-powered devices and systems that need to maintain a stable output despite varying input conditions. The LTC3789 operates with high efficiency and provides a wide input voltage range, ensuring versatility across different applications.

Manufacturer

The LTC3789EGN#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in data conversion, signal processing, and power management technology. The company is known for developing integrated circuits (ICs) used in various electronics across industries such as automotive, telecommunications, healthcare, and consumer electronics. Analog Devices provides solutions for complex engineering challenges, contributing to advancements in connectivity, sensing, and power efficiency.

Application

The LTC3789EGN#TRPBF is a high-performance, synchronous buck-boost DC/DC controller. Its application areas include power management systems where a stable output voltage is required despite variations in input voltage. Typical applications include battery-powered devices, automotive systems, industrial and medical equipment, and telecommunications. It is particularly useful in systems where the input voltage can be above, below, or equal to the output voltage, providing seamless transition between buck and boost modes. The controller is also suitable for non-isolated SEPIC and flyback configurations, making it versatile for various power supply designs.

Package

The LTC3789EGN#TRPBF is a step-up DC/DC controller and comes in a 16-lead Plastic Small Outline (GN) package. The suffix "#TRPBF" indicates it's packaged on a tape and reel for automated assembly and is RoHS compliant, meaning it's lead-free.

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