LTC3850EUF#TRPBF

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LTC3850EUF#TRPBF

IC REG CTRLR BUCK 28QFN

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Down
OutputConfiguration Positive
Topology Buck
NumberofOutputs 2
OutputPhases 2
Voltage-Supply(Vcc/Vdd) 4V ~ 24V
Frequency-Switching 250kHz ~ 780kHz
DutyCycle(Max) 97.2%
SynchronousRectifier Yes
ClockSync No
ControlFeatures Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 28-WFQFN Exposed Pad

概述

Description

The LTC3850EUF#TRPBF is a high-performance, dual output, synchronous step-down switching regulator controller. Manufactured by Analog Devices, it is designed to deliver high efficiency and flexibility in power supply design. The component operates over a wide input voltage range, making it suitable for various applications, from telecommunications to industrial systems.
Key features include:
1. Dual Outputs: It supports two independent output voltages, which can be configured for different loads.

2. Synchronous Rectification: This enhances efficiency by minimizing power loss during the rectification process.
3. Wide Input Range: The controller can handle a broad range of input voltages, providing versatility in different environments.
4. Current Mode Control: Ensures stability and fast transient response, making it suitable for complex power supply designs.
5. Programmable Frequency: Allows designers to select the optimal operating frequency, balancing efficiency and component size.
6. Protection Features: Includes overcurrent protection, short-circuit protection, and thermal shutdown to safeguard the system.
The LTC3850EUF#TRPBF is commonly used in applications requiring reliable and efficient power conversion.

Features

The LTC3850EUF#TRPBF is a versatile dual-output, step-down switching regulator controller. It features a wide input voltage range, typically from 4V to 24V, making it suitable for various power supply applications. The device supports two independent output voltages that can be adjusted using external resistors, enabling flexibility in design.
Key features include a high switching frequency up to 750kHz, which allows for the use of small inductors and capacitors, reducing the overall size of the solution. It supports both current-mode and voltage-mode control, providing stability and fast transient response. The controller includes programmable soft-start, short-circuit protection, and overvoltage protection to enhance reliability.
Additionally, the LTC3850EUF#TRPBF provides a power good signal for each output, indicating when the outputs are within regulation. The device is designed to offer high efficiency, with the ability to synchronize to an external clock for reducing interference in sensitive applications. It comes in a compact QFN package, making it suitable for space-constrained designs.

Package

The LTC3850EUF#TRPBF is a DC/DC step-down controller from Analog Devices. It comes in a 28-lead, 4mm x 5mm plastic QFN (Quad Flat No-leads) package. The "#TRPBF" suffix indicates that the device is supplied in tape and reel packaging with lead-free (RoHS compliant) finishes.

Pinout

The LTC3850EUF#TRPBF is a DC/DC synchronous step-down switching regulator controller. It is typically packaged in a 28-lead (pin) 4mm x 5mm QFN package. The primary function of this device is to convert a high input voltage to a lower output voltage with high efficiency, making it suitable for various power management applications. It provides dual output channels, allowing for independent regulation of two different voltage outputs. The controller supports features such as adjustable switching frequency, overvoltage protection, and programmable soft-start to ensure reliable performance.

Manufacturer

The LTC3850EUF#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacture of analog, mixed-signal, and digital signal processing integrated circuits. These ICs are used in a broad array of electronic equipment, including applications in industrial, automotive, consumer, and communications sectors. The company is known for its high-performance solutions in areas such as data conversion, signal processing, power management, and RF technologies.

Application

The LTC3850EUF#TRPBF is a dual, step-down DC/DC switching regulator controller. Its application areas include power management for computing and networking equipment, telecom systems, industrial power supplies, and high-performance battery-operated devices. It is suitable for applications requiring efficient voltage regulation and high output current capability.

Equivalent

The LTC3850EUF#TRPBF is a dual-output synchronous step-down switching regulator controller. Equivalent products include the Texas Instruments TPS40140, the ON Semiconductor NCP81253, and the Richtek RT8809. These alternatives offer similar functionalities in terms of voltage regulation, dual output, and efficiency but may differ in specific features, package, or performance characteristics. Always check the datasheets for compatibility with your application's requirements.

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