LT8301ES5#TRPBF

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LT8301ES5#TRPBF

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IC REG FLYBACK 1.2A TSOT23-5

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Function Step-Up/Step-Down
Output Configuration Positive or Negative, Isolation Capable
Topology Flyback
Number of Outputs 1
Voltage - Input (Min) 2.7V
Voltage - Input (Max) 42V
Current - Output 1.2A
Frequency - Switching Down to 10kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount

Visão Geral

Description

The LT8301ES5#TRPBF is a high-efficiency monolithic flyback converter designed by Analog Devices. It is used in isolated power supply applications and integrates a 65V/0.45A switch, allowing for compact and efficient power conversion. The device eliminates the need for an optocoupler, simplifying the design for isolated topologies.
Operating from a wide input voltage range of 6V to 42V, the LT8301 can deliver up to 5W of output power. It features a boundary mode operation, which enhances efficiency and provides good regulation. The converter incorporates internal compensation, soft-start, and a low-ripple Burst Mode operation to improve performance under light-load conditions.
The LT8301 is housed in a small, thermally enhanced SOT-23 package, making it suitable for compact designs. Its design facilitates ease of use in applications such as industrial, telecommunications, and various isolated power supply systems. The device is RoHS compliant, ensuring it meets environmental standards.

Equivalent

The LT8301ES5#TRPBF is a micropower isolated flyback converter by Analog Devices. Equivalent products may include:
1. TI LM5180: A SIMPLE SWITCHER flyback converter.
2. Maxim MAX17690: A high-efficiency, no-opto isolated flyback converter.
3. ON Semiconductor NCP1568: A PWM controller for flyback operation.
Ensure compatibility with your specific design requirements, as differences in specifications might affect functionality. Always verify the datasheets before substitution.

Features

The LT8301ES5#TRPBF is a micropower isolated flyback converter from Analog Devices. It features a wide input voltage range of 6V to 100V and is designed to work without the need for an optocoupler or third winding for feedback, making it suitable for simplifying design in isolated power supply applications. The device can deliver up to 5W of output power and operates at a fixed frequency of 150kHz, which can be synchronized to an external clock if needed.
The LT8301 incorporates boundary mode operation, which optimizes efficiency over wide load ranges, and provides inherent short-circuit protection. It includes an internal high-voltage power switch, reducing the need for external components, and offers a programmable undervoltage lockout (UVLO) for input voltage. The device is housed in a compact TSOT-23 package, ideal for space-constrained applications. Its design flexibility and small size make it suitable for use in industrial, automotive, medical, and telecom applications.

Pinout

The LT8301ES5#TRPBF is a micropower isolated flyback converter with a monolithic switch from Analog Devices. It comes in a 5-pin SOT-23 package. The pin functions are as follows:
1. SW (Pin 1): This is the switch pin where the inductor is connected. It is the drain of the internal power switch.
2. GND (Pin 2): This is the ground pin for both the power and control circuitry.
3. FB (Pin 3): This is the feedback pin, which receives the feedback voltage from the isolated output to regulate the output voltage.
4. VIN (Pin 4): This pin provides the input supply voltage to the LT8301.
5. BP (Pin 5): This is the bypass pin, which requires a capacitor to ensure stability and improve performance.
The LT8301 is designed for applications requiring isolated power conversion, capable of delivering up to 6 watts with minimal external components.

Manufacturer

The manufacturer of the LT8301ES5#TRPBF is Analog Devices, Inc. Analog Devices is a semiconductor company that specializes in the design and manufacture of analog, mixed-signal, and digital signal processing integrated circuits. These components are used in a wide variety of applications, including communications, healthcare, automotive, industrial automation, and consumer electronics. The company focuses on creating technologies that bridge the physical and digital worlds, enabling advancements in areas such as sensing, measuring, interpreting, and connecting data. Analog Devices is well-known for its innovation in designing high-performance analog and mixed-signal solutions and is a key player in the global semiconductor industry.

Application

The LT8301ES5#TRPBF is a micropower isolated flyback converter IC primarily used in applications requiring isolated power solutions. Key application areas include:
1. Telecommunications: Powering isolated DC-DC converters in communication systems.
2. Industrial Control Systems: Providing isolated power for sensors, actuators, and control modules.
3. Medical Equipment: Supplying isolated power for low-power medical devices.
4. Consumer Electronics: Used in adapters and chargers requiring isolation.
5. Data Acquisition Systems: For isolated power in sensitive measurement equipment.
6. Automotive Systems: Offering isolated power solutions for electric and hybrid vehicles.
Its compact size and efficiency make it suitable for a variety of low-power applications requiring electrical isolation.

Package

The LT8301ES5#TRPBF is packaged in an SOT-23-5, a small outline transistor package with 5 leads. This compact package is commonly used for surface-mount technology in electronic circuits, offering space-saving advantages for applications requiring efficient power management solutions.

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