LTC3728EUH#TRPBF

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LTC3728EUH#TRPBF

IC REG CTRLR BUCK 32QFN

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Spécifications

Part Status Active
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 2
Output Phases 2
Voltage - Supply (Vcc/Vdd) 3.5V ~ 30V
Frequency - Switching 260kHz ~ 550kHz
Duty Cycle (Max) 99.4%
Synchronous Rectifier Yes
Clock Sync No
Control Features Enable, Power Good, Soft Start
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 32-WFQFN Exposed Pad
Supplier Device Package 32-QFN (5x5)
Base Product Number LTC3728

Vue d'ensemble

Description

The LTC3728EUH#TRPBF is a high-performance, dual-input power management IC designed for applications requiring efficient voltage regulation and power conversion. Manufactured by Analog Devices, it features a synchronous buck controller that can manage two power sources, optimizing energy distribution and enhancing overall system efficiency.
Key features include adjustable output voltage, high switching frequency, and the ability to support various input voltage ranges. It is ideal for battery-powered devices, point-of-load converters, and other applications where power efficiency is critical. The device also includes protections like overvoltage and overcurrent, ensuring safe operation.
With its compact package and advanced control architecture, the LTC3728EUH#TRPBF provides flexibility in design, making it suitable for a variety of consumer electronics, industrial, and automotive applications. Designers appreciate its reliability and performance, particularly in compact systems where thermal management and space are critical considerations.

Features

The LTC3728EUH#TRPBF is a high-performance dual-channel synchronous step-down controller designed for efficient power management in various applications. Key features include:
1. Dual Output: Supports two independent outputs, allowing for flexible power distribution.
2. Wide Input Voltage Range: Operates from 4.5V to 60V, accommodating various power sources.
3. High Efficiency: Utilizes synchronous rectification to achieve high efficiency, reducing heat generation.
4. Current Mode Control: Provides fast transient response and simplifies compensation.
5. Adjustable Output Voltage: Output voltages can be set from 0.8V to 24V, enabling compatibility with different loads.
6. Programmable Frequency: Switching frequency adjustable up to 1MHz for optimizing performance.
7. Soft-Start Feature: Reduces inrush current during startup, protecting the circuit.
8. Overvoltage and Overcurrent Protection: Enhances reliability and safety in operation.
9. Thermal Shutdown: Prevents overheating, ensuring device longevity.
This controller is suitable for applications such as telecommunications, industrial equipment, and automotive systems.

Package

The LTC3728EUH#TRPBF is packaged in a 28-lead HTQFN (Heat Sink Thin Quad Flat No-lead) package. This package type features a compact footprint and enables efficient thermal management for enhanced performance in various applications.

Pinout

The LTC3728EUH#TRPBF is a dual-output, high-performance synchronous step-down (buck) controller with a total pin count of 32. Its primary functions include:
1. Power Control: It allows for adjustable output voltages and can deliver high efficiency across a range of loads.
2. Phase Control: It includes features for controlling the phase of the output, improving transient response and reducing output ripple.
3. Current Sensing: Integrated current sensing helps in overcurrent protection and improves load regulation.
4. PWM Operation: The device operates using Pulse Width Modulation (PWM) for stable output voltage under varying load conditions.
5. Soft-Start: It has a soft-start feature for reducing inrush current during startup.
6. Fault Protection: Includes features like undervoltage lockout (UVLO) and thermal shutdown for reliability.
This makes the LTC3728EUH#TRPBF suitable for various applications in power management systems. For detailed specifications, refer to the full datasheet.

Manufacturer

The LTC3728EUH#TRPBF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a prominent global company that specializes in designing, manufacturing, and marketing a wide range of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Established in 1965, the company serves various industries, including telecommunications, automotive, industrial automation, healthcare, and consumer electronics. ADI's products are widely used in applications such as signal processing, power management, and data conversion. The LTC3728 is specifically known for its role in power management solutions, particularly in controlling power supply systems for various electronic devices.

Application

The LTC3728EUH#TRPBF is a high-performance synchronous buck controller primarily used in applications such as point-of-load (POL) converters, power supplies for processors, and high-efficiency DC-DC converters. It is suitable for powering microcontrollers, FPGAs, and other digital circuits in telecommunications, industrial equipment, and computing systems. Its features enable efficient voltage regulation and power management in compact designs.

Equivalent

Equivalent products to the LTC3728EUH#TRPBF include the LM5118, MP1584, and TPS40170. These alternatives offer similar functionalities for power management tasks such as synchronous buck regulation and high-performance voltage regulation. Always review specifications for compatibility with your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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