TOP412GN

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IC REG BUCK BOOST 8SMD

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Especificações

Atributo Valor
Series TOPSwitch®
Part Status Discontinued at Digi-Key
Function Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration Positive, Isolation Capable
Topology Buck, Boost, Flyback, Forward Converter
Number of Outputs 1
Frequency - Switching 120kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 8-SMD, Gull Wing
Supplier Device Package 8-SMD
Base Product Number TOP412G

Visão Geral

Description

TOP412GN is a high-performance voltage regulator from the TOP series, designed for efficient power management in various electronic applications. It features a low dropout voltage, allowing it to maintain regulation with minimal input-output voltage difference, which is particularly useful in battery-powered devices. The IC supports an adjustable output voltage, making it versatile for different circuit requirements.
With built-in thermal shutdown and current limiting protection, the TOP412GN ensures reliable operation and safeguards against potential damage from overload conditions. Its compact package allows for space-saving designs, making it suitable for both consumer electronics and industrial applications.
The device typically finds usage in mobile devices, automotive electronics, and computer peripherals, where stable and efficient voltage supply is critical. Overall, the TOP412GN combines performance, reliability, and flexibility, making it a popular choice among engineers in power supply design.

Equivalent

The TOP412GN chip is a voltage regulator primarily used in power supply applications. Equivalent products include the TOP244YN, TOP245YN, and TOP246YN, which are similar in functionality and specifications. Additionally, the LM2596 and LM2675 from Texas Instruments can serve as alternatives, though they may differ in specific features and performance characteristics. Always verify compatibility based on your application requirements.

Features

The TOP412GN is a high-voltage, high-speed integrated circuit designed for offline switch-mode power supplies. Key features include:
1. High-Voltage Capability: Operates with a maximum voltage of 650V, suitable for a variety of applications.
2. PWM Control: Utilizes pulse-width modulation for efficient power regulation, enhancing performance in converter applications.
3. Integrated Features: Combines a high-voltage start-up circuit, a voltage reference, and an oscillator in a single package, reducing external component count.
4. Internal Soft Start: Prevents inrush current and voltage overshoot during start-up.
5. Over-Voltage Protection: Monitors output voltage and protects against over-voltage conditions.
6. Thermal Shutdown: Integrated thermal protection to prevent overheating.
7. Compact Package: Offered in a DIP-8 or SOP-8 package for space-saving designs.
8. Wide Application Range: Suitable for power adapters, battery chargers, and consumer electronics.
Overall, the TOP412GN is designed for efficiency, reliability, and ease of integration into various power supply designs.

Pinout

The TOP412GN is a high-voltage, integrated PWM (Pulse Width Modulation) controller designed for use in switching power supplies. It features a total of 8 pins.
Here’s a brief overview of the pin functions:
1. VCC (Pin 1): Supplies power to the device.
2. GND (Pin 2): Ground reference for the circuit.
3. CSN (Pin 3): Current sense pin for overcurrent protection.
4. CSN (Pin 4): Secondary current sense for additional protection.
5. BJT (Pin 5): Output for driving an external BJT.
6. COMP (Pin 6): Compensation pin for feedback control loop stability.
7. RT (Pin 7): Timing resistor connection to set the oscillator frequency.
8. VFB (Pin 8): Feedback voltage pin for regulation.
The device is widely used in applications requiring efficient power conversion and regulation.

Manufacturer

The TOP412GN is manufactured by Power Integrations, Inc. Power Integrations is a technology company that specializes in designing and producing high-performance electronic components for energy-efficient power conversion. Their products are widely used in various applications, including consumer electronics, telecommunications, and industrial equipment.
Founded in 1985 and based in San Jose, California, Power Integrations is known for its innovative solutions in the field of power management. The company focuses on developing integrated circuits (ICs) and other components that enhance energy efficiency and reduce power consumption in electronic devices. Their technologies often aim to improve energy savings, reduce heat generation, and increase the reliability of power supplies.
Power Integrations is recognized for its commitment to sustainability and environmental responsibility, providing power solutions that help manufacturers meet regulatory requirements and achieve energy efficiency goals. The TOP412GN, specifically, is part of their TOPSwitch family, which is geared towards off-line and DC-DC power supply applications, further showcasing their expertise in the power electronics domain.

Application

The TOP412GN is a high-voltage power switch primarily used in switch-mode power supplies (SMPS). Its application areas include:
1. AC-DC Converters: For converting alternating current to direct current in various consumer electronics.
2. LED Lighting: In efficient power supplies for LED drivers.
3. Telecommunications Equipment: To provide reliable power solutions in communication devices.
4. Home Appliances: In power supplies for washing machines, refrigerators, and other appliances.
5. Industrial Equipment: In automation and control systems requiring stable power delivery.
Overall, it serves in applications where compact, efficient, and reliable power management is essential.

Package

The TOP412GN is packaged in a DIP-8 (dual in-line package) format. This package type features 8 pins and is suitable for through-hole mounting on printed circuit boards.

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