LT3825EFE

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LT3825EFE

Switching Voltage Regulators LT3825 - Isolated No-Opto Synchronous Flyback Controller with Wide Input Supply Range

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Specifications

Overview

Description

The LT3825EFE is a high-performance, synchronous step-down (buck) regulator from Analog Devices, designed for applications requiring efficient power conversion. It operates over an input voltage range of 4.5V to 60V and provides adjustable output voltages down to 0.8V. The device features a high current capability, typically delivering up to 3A, with built-in low on-resistance power switches for improved efficiency.
Key features include programmable frequency (from 200 kHz to 2.5 MHz), remote sense for accurate voltage regulation, and a robust protection scheme that includes overcurrent and thermal shutdown. The LT3825EFE also supports soft-start functionality to limit inrush current during startup.
With its compact design and array of features, it is suitable for a wide range of applications, including industrial equipment, automotive systems, and telecommunications. Overall, the LT3825EFE is an ideal choice for designers seeking a reliable, efficient, and flexible power management solution.

Features

The LT3825EFE is a high-efficiency, synchronous buck (step-down) DC-DC converter designed for a wide range of applications. Key features include:
1. Wide Input Voltage Range: Accepts input voltages from 4.5V to 60V, making it suitable for various power sources.
2. Adjustable Output Voltage: Provides output voltage options from 0.8V to 0.95 x VIN, allowing flexibility in system design.
3. High Efficiency: Achieves efficiency up to 95%, reducing heat generation and improving thermal performance.
4. Current Mode Control: Offers fast transient response and simplifies design with easy compensation.
5. Integrated Switches: Contains high-side and low-side MOSFETs, minimizing external component count and board space.
6. Soft-Start Function: Ensures smooth startup and limits inrush current.
7. Fault Protection: Features overcurrent protection and thermal shutdown for enhanced reliability.
8. Low Quiescent Current: Supports battery-powered applications by minimizing power consumption in standby mode.
These features make the LT3825EFE ideal for industrial, automotive, and telecommunications applications.

Package

The LT3825EFE is offered in a 16-lead TSSOP (Thin Shrink Small Outline Package) type.

Pinout

The LT3825EFE is a high-performance, synchronous step-down DC/DC converter from Analog Devices. It features a 28-pin TSSOP package.
The primary functions of the LT3825EFE include:
1. Buck Converter: It provides a regulated output voltage from a higher input voltage.
2. Synchronous Rectification: It maximizes efficiency by using internal high-side and low-side MOSFETs.
3. Wide Input Voltage Range: Supports input voltages from 4.5V to 60V.
4. Adjustable Output Voltage: The output voltage can be set from 0.8V to 15V.
5. Current Mode Control: Provides fast transient response and stable operation.
6. Programmable Switching Frequency: Allows for flexibility in design and optimization for various applications.
These features make the LT3825EFE suitable for a variety of applications including automotive, industrial, and telecommunications.

Manufacturer

The manufacturer of the LT3825EFE is Analog Devices, Inc. Analog Devices is a global semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing integrated circuits (ICs). The company is known for its innovations in data conversion, signal processing, and power management solutions, serving a wide range of industries including telecommunications, automotive, healthcare, and industrial automation. Analog Devices was originally founded in 1965 and has since grown to be a leading provider of technology solutions that enable the efficient processing and conversion of real-world signals into digital data.

Application

The LT3825EFE is a high-performance DC/DC converter used in various applications, including automotive power supplies, industrial automation, battery management systems, LED drivers, and telecommunications. Its features make it suitable for powering devices requiring high efficiency and voltage regulation, such as medical equipment, lighting systems, and data center power supplies.

Equivalent

The LT3825EFE chip is a high-performance, step-down voltage regulator. Equivalent products include:
1. LM2675 (Texas Instruments) - A 1A step-down voltage regulator.
2. LTM4620 (Linear Technology) - A microSiP DC-DC step-down power module.
3. TPS54331 (Texas Instruments) - A 3A step-down regulator.
4. LM2596 (Texas Instruments) - A versatile step-down regulator.
Always check specific datasheets for detailed specifications and compatibility.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

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