LT8390EUFD#TRPBF

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LT8390EUFD#TRPBF

+Nomenclature

IC REG CTRLR BUCK/BOOST 28QFN

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Spécifications

Attribut Valeur
PartStatus Active
OutputType Transistor Driver
Function Step-Up/Step-Down
OutputConfiguration Positive
Topology Buck-Boost
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 4V ~ 60V
Frequency-Switching 190kHz ~ 630kHz
DutyCycle(Max) 95%
SynchronousRectifier Yes
ClockSync Yes
ControlFeatures Current Limit, Frequency Control, Soft Start
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 28-WFQFN Exposed Pad
SupplierDevicePackage 28-QFN (4x5)
BaseProductNumber LT8390

Présentation

Description

The LT8390EUFD#TRPBF is a high-performance, synchronous step-down DC-DC converter designed by Analog Devices. It features a wide input voltage range, typically from 4.5V to 60V, making it suitable for various applications including automotive, industrial, and battery-powered devices. This converter can deliver high output current while maintaining high efficiency, which can exceed 95% under optimal conditions.
Key features include adjustable output voltage, built-in protection mechanisms such as over-voltage, over-current, and thermal shutdown, as well as a compact package design that aids in space-constrained applications. Additionally, the LT8390 supports a wide range of output voltage options and includes features for synchronous operation, reducing component count and improving efficiency.
This device is ideal for applications requiring reliable power management solutions, such as telecommunications, consumer electronics, and more demanding industrial applications, where efficiency and thermal performance are critical. For design and application specifics, refer to the manufacturer's datasheet for detailed electrical characteristics and usage guidelines.

Equivalent

The LT8390EUFD#TRPBF is a high voltage, high frequency boost converter. Equivalent products may include the TPS61040 from Texas Instruments, the MICROCHIP MCP1643, and the MAX8600 from Analog Devices. These alternatives also offer similar functionalities in terms of step-up voltage conversion, efficiency, and operating conditions. Always verify specific parameters like voltage range, current output, and package type when considering equivalents.

Features

The LT8390EUFD#TRPBF is a high-frequency, low-noise, and low-power synchronous step-down DC/DC converter from Analog Devices. Key features include:
1. Wide Input Voltage Range: Operates from 3V to 60V, accommodating various applications.
2. High Efficiency: Achieves up to 95% efficiency, minimizing heat generation and improving thermal performance.
3. Adjustable Output Voltage: Supports output voltages from 0.8V to 15V, enabling flexibility for different circuit requirements.
4. Fast Transient Response: Features a high bandwidth control loop for rapid transient response, essential for applications with variable loads.
5. Small Package Size: Offered in a compact 20-lead LQFN package, suitable for space-constrained designs.
6. Built-In Protection: Includes features such as over-temperature protection, over-current protection, and under-voltage lockout.
7. Soft-Start Functionality: Helps manage inrush current during startup, enhancing system reliability.
Overall, the LT8390EUFD#TRPBF is ideal for automotive, industrial, and battery-powered applications requiring efficient power conversion.

Pinout

The LT8390EUFD#TRPBF is a high-efficiency, high-voltage step-down regulator from Analog Devices. It features a 20-pin (UFD package) count.
Key functions of the pins include:
1. VIN: Input voltage supply
2. SW: Switch node for the inductor connection
3. GND: Ground reference
4. VOUT: Output voltage
5. CSN/ CSP: Current sense pins for overcurrent protection
6. COMP: Compensation network connection
7. FB: Feedback pin for voltage regulation
8. SS: Soft-start pin to control the startup time
9. Rset: Resistor connection for setting the switching frequency
10. LIM: Current limit programming
11. PGOOD: Power good indicator
12. SYNC: Synchronization input for frequency synchronization with other devices
The LT8390 operates efficiently across a range of applications, making it suitable for various power management needs.

Manufacturer

The LT8390EUFD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a leading multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is headquartered in Norwood, Massachusetts, USA.
Analog Devices serves a wide range of industries, including communications, automotive, healthcare, industrial automation, and consumer electronics. Their products are used in applications such as data acquisition, signal processing, and power management. The LT8390 is a specific product from their portfolio, designed as a high-efficiency, synchronous step-down regulator. It is known for its performance in power supply applications, offering features like high output current capability and low output voltage ripple.
Analog Devices is recognized for its innovation and technical expertise, making it a key player in the semiconductor industry.

Application

The LT8390EUFD#TRPBF is a high-speed, high-efficiency synchronous step-down DC-DC converter. Its application areas include:
1. Power Management: Used in systems requiring efficient power conversion, such as in industrial, automotive, and consumer electronics.
2. Battery-Powered Devices: Suitable for applications needing low quiescent current for extended battery life.
3. Telecommunications: Powers RF amplifiers and other communication components.
4. Embedded Systems: Ideal for powering microcontrollers and processors in compact designs.
5. LED Drivers: Can be used for driving LEDs in various lighting applications.
Overall, it is designed for versatile use in dynamic voltage regulation environments.

Package

The LT8390EUFD#TRPBF is packaged in a 20-lead QFN (Quad Flat No-lead) package. This compact package type is designed for efficient thermal performance and reduced PCB space.

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