LT8304ES8E#TRPBF

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LT8304ES8E#TRPBF

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IC REG FLYBACK ADJ 2A 8SOIC

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性 値
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
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3V
Voltage - Input (Max) 100V
Voltage - Output (Min/Fixed) 1V
Voltage - Output (Max) 150V (Switch)
Current - Output 2A (Switch)
Frequency - Switching 11kHz ~ 350kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount

概要

Description

The LT8304ES8E#TRPBF is a high-performance monolithic flyback regulator developed by Analog Devices. It is designed for isolated power supply applications and integrates a 260mA, 150V power switch, making it suitable for compact, high-efficiency power solutions. The device simplifies the design of isolated power supplies by eliminating the need for an optocoupler, third winding, or signal transformer for feedback, thereby reducing component count and overall system complexity.
Operating over a wide input voltage range, it offers a versatile solution for various applications, including industrial, telecommunications, and data communications systems. The LT8304ES8E#TRPBF utilizes boundary mode operation for high efficiency and low EMI, and it supports a high level of safety and reliability with features like output short-circuit protection and over-temperature shutdown.
The chip is packaged in an 8-lead plastic small outline (SO) package, which provides a compact form factor suitable for space-constrained designs. Overall, the LT8304ES8E#TRPBF is ideal for designers seeking a simple and efficient isolated power converter solution.

Equivalent

The LT8304ES8E#TRPBF is an isolated flyback converter by Analog Devices. Equivalent products may include the Texas Instruments UCC28740, the ON Semiconductor NCP1568, or the Infineon ICE2QR4765 among others. These alternatives also serve similar functions in isolated flyback converter applications but may differ in specific features like efficiency, power rating, or package type, so it's essential to verify compatibility with your project's requirements.

Features

The LT8304ES8E#TRPBF is a monolithic flyback regulator with an integrated 150V/2A switch from Analog Devices. It is designed for isolated and non-isolated power supply applications. Key features include:
1. Wide Input Voltage Range: It operates over a 5.5V to 100V input voltage range, making it versatile for various power sources.
2. No Opto-Isolator Required: Utilizes boundary mode control to eliminate the need for an opto-isolator, simplifying design and reducing component count.
3. Internal 2A, 150V Power Switch: Integrates a power switch to streamline designs and improve reliability.
4. Low Standby Power: Offers low quiescent current and burst mode operation to minimize power consumption during no-load or light-load conditions.
5. Adjustable Switching Frequency: Supports frequency dithering to spread EMI emissions, with adjustable switching frequency.
6. Output Voltage: Can be programmed using a single resistor, enhancing flexibility.
7. Protection Features: Includes overcurrent protection, undervoltage lockout, and thermal shutdown for enhanced safety and durability.
These features make it suitable for a wide range of applications, including industrial, medical, and telecom power systems.

Pinout

The LT8304ES8E#TRPBF is an integrated circuit designed by Analog Devices for use in isolated flyback converter applications. It comes in an 8-lead SOIC (Small Outline Integrated Circuit) package. Here is a concise overview of its pin count and key functions:
- Pin Count: 8 pins.

- Key Functions:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node, connected to the primary winding of the transformer.
3. GND (Pin 3): Ground reference for the device.
4. FB (Pin 4): Feedback pin for output voltage regulation.
5. RREF (Pin 5): Sets the switching frequency and other internal parameters.
6. VC (Pin 6): Compensation pin for control loop stabilization.
7. BIAS (Pin 7): Provides bias voltage to the internal circuitry.
8. VCC (Pin 8): Supplies power to the internal circuitry after start-up.
The LT8304 features a no-opto, isolated flyback topology, simplifying designs by eliminating the need for an optocoupler, and offers high efficiency and reliability in power conversion applications.

Manufacturer

The LT8304ES8E#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. The company primarily serves industries such as automotive, communications, consumer electronics, aerospace, industrial, and healthcare, providing solutions that involve data conversion, signal processing, power management, and other microelectronics applications.

Application

The LT8304ES8E#TRPBF is a monolithic flyback regulator specifically designed for isolated power supply applications. Its key application areas include:
1. Isolated Power Supplies: Used in applications requiring galvanic isolation between input and output, such as in industrial, telecommunications, and medical sectors.
2. Telecommunications: Provides isolated power for telecommunications equipment, ensuring stable operation across various conditions.
3. Industrial Equipment: Suitable for use in harsh environments requiring robust and reliable power management.
4. Medical Devices: Provides isolated power solutions in compliance with medical safety standards.
5. Automotive Systems: Used in automotive applications where isolation and robust performance are critical.
These applications benefit from its high efficiency, compact design, and precise output voltage regulation.

Package

The LT8304ES8E#TRPBF is a micro-power isolated flyback converter manufactured by Analog Devices. It comes in an 8-lead SOIC (Small Outline Integrated Circuit) package with an exposed pad for better thermal performance and is suitable for surface mounting. The "#TRPBF" indicates it is RoHS compliant and supplied in tape and reel packaging for automated assembly.

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