TNY286DG

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TNY286DG

+BOM

IC OFFLINE SWITCH FLYBACK 8SO

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Specifications

Attribute Value
Series TinySwitch®-4
Part Status Discontinued at Digi-Key
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 725V
Topology Flyback
Duty Cycle 67%
Frequency - Switching 124kHz ~ 140kHz
Power (Watts) 13 W
Fault Protection Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit
Control Features EN
Operating Temperature -40°C ~ 150°C (TJ)
Package / Case 8-SOIC (0.154", 3.90mm Width), 7 Leads
Supplier Device Package SO-8C
Mounting Type Surface Mount
Base Product Number TNY286

Overview

Description

The TNY286DG is a compact, highly integrated off-line switcher designed for power supply applications. It belongs to the TinySwitch family of devices produced by Power Integrations, known for their energy-efficient solutions. The TNY286DG features a power range of up to 3 watts, making it suitable for a variety of low-power applications, including adapters, chargers, and lighting systems.
Key characteristics include a built-in high-voltage switching transistor, which simplifies circuit design and reduces component count. It operates in a quasi-resonant mode, improving efficiency by minimizing switching losses. The device also integrates features like thermal shutdown, over-voltage protection, and a low standby power consumption mode, contributing to energy efficiency and reliability.
The TNY286DG is available in a compact package, facilitating space-saving designs. Its ease of use, along with robust performance, makes it an ideal choice for developers looking to create power supply solutions that meet modern energy regulations.

Equivalent

The TNY286DG is a small, low-power switch mode power supply (SMPS) IC. Equivalent products include the TNY287DG TNY288DGand the NCP1200 series (like NCP1207 or NCP1208) from ON Semiconductor. Other alternatives may include the TOPSwitch series (such as TOP246 or TOP258) from Power Integrations. Always verify specifications and application requirements to ensure compatibility.

Features

The TNY286DG is a compact, high-performance power management IC designed for switch-mode power supplies. Key features include:
1. Integrated MOSFET: It has a built-in power MOSFET that reduces the number of external components required, facilitating a compact design.

2. Wide Input Voltage Range: The device supports a broad input voltage range, typically from 85V to 265V AC, making it suitable for various applications.
3. High Efficiency: It offers high efficiency levels, reducing power losses and improving energy savings.
4. Built-in Protection Features: The TNY286DG includes over-voltage, over-current, and thermal protection, ensuring reliable operation and safeguarding the circuit.
5. Low Standby Power: It is designed for low standby power consumption, which is essential for energy-efficient designs.
6. Frequency Modulation: The device can modulate the switching frequency, which helps in reducing electromagnetic interference (EMI).
These features make the TNY286DG an excellent choice for low-power adapters, chargers, and various electronic devices requiring efficient power management.

Pinout

The TNY286DG is a member of the TinySwitch-III family of power ICs from Power Integrations, used for low-power offline switchers. It features a 7-pin configuration. The pinout and their functions are as follows:
1. DRAIN: Connects to the drain of the internal MOSFET.
2. SOURCE: Connects to the source of the internal MOSFET and ground.
3. VDD: Supply voltage pin, charged by the auxiliary winding of the transformer.
4. GND: Ground pin.
5. SENSE: Provides current sensing for the internal MOSFET.
6. CS/OVP: Current sense and over-voltage protection input.
7. VREF: Reference voltage output for feedback purposes.
The TNY286DG is designed for applications requiring efficiency and compact size, typically found in power supplies for consumer electronics and lighting.

Manufacturer

The TNY286DG is manufactured by Power Integrations, Inc. Founded in 1985, Power Integrations is a semiconductor company specializing in high-performance electronic components used in power conversion and management applications. Their products are primarily used in power supplies, LED lighting, and motor control systems. Power Integrations is known for its innovative technologies and solutions that enhance energy efficiency and reduce the environmental impact of electronic devices. The company focuses on designing integrated circuits that simplify the design of power supply systems while improving performance and reliability.

Application

The TNY286DG is a low-power offline switcher IC primarily used in power supply applications. Key application areas include:
1. AC-DC Adapters: For consumer electronics, chargers, and power supplies.
2. LED Drivers: In lighting applications to drive LED lamps efficiently.
3. Industrial Power Supplies: For powering control circuits and sensors in industrial automation.
4. Telecommunications: In devices requiring reliable power conversion.
5. Home Appliances: For compact, efficient power supplies in small appliances.
Its features, such as integrated feedback and low standby power consumption, make it suitable for energy-efficient designs.

Package

The TNY286DG is packaged in a DIP-7 (Dual In-line Package with 7 pins) configuration. This compact package is designed for easy mounting on printed circuit boards and is commonly used in power supply applications.

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