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TNY286DG

Name: TNY286DG
Rating: 4.7 (12 reviews)

IC OFFLINE SWITCH FLYBACK 8SO

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規格

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

概述

Description

The TNY286DG is a part of the TinySwitch series, specifically designed for low-power switch-mode power supplies. It is a highly integrated, energy-efficient IC that combines a high-voltage power MOSFET with a controller for flyback converters. This chip is suitable for applications such as wall adapters, LED drivers, and appliances requiring up to 5 watts of power.
Key features include a wide input voltage range, built-in overvoltage and overcurrent protection, and a low standby power consumption. The TNY286DG also employs a frequency jittering mechanism to minimize electromagnetic interference (EMI), enhancing its performance in sensitive environments. Additionally, it supports multiple topologies and offers a simple design with fewer external components, making it cost-effective and easy to implement.
Overall, the TNY286DG is a versatile, reliable choice for engineers seeking to create efficient, compact power solutions with minimal energy waste.

Features

The TNY286DG is a compact, integrated power IC designed for off-line switch-mode power supplies (SMPS). It features a 5V to 36V input voltage range and provides a maximum output power of up to 30W. Key features include:
1. Integrated Switch: It has an internal high-voltage MOSFET, reducing component count and PCB space.
2. Low Standby Power Consumption: Designed for low standby power applications, it meets energy efficiency standards.
3. Wide Frequency Range: Operates with a wide frequency range, typically around 100 kHz to improve performance.
4. Multiple Protections: Includes overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown, ensuring safe operation.
5. Compensated Control Loop: Provides high efficiency and stable operation over varying load conditions.
6. Simple Design: Requires minimal external components, simplifying the design process for power supply applications.
Overall, the TNY286DG is suitable for consumer electronics, LED drivers, and other compact power supply solutions.

Package

The TNY286DG is packaged in a DIP-8 (Dual In-line Package, 8 pins) format. This type of packaging is commonly used for integrated circuits, providing easy mounting on PCBs.

Pinout

The TNY286DG is a low-power, integrated switcher from Power Integrations designed for offline power supply applications. It has a total of 8 pins.
Pin Functions:
1. Drain (D) - Connects to the drain of the internal MOSFET for switching.
2. Source (S) - Connects to the source of the internal MOSFET and also serves as the ground reference.
3. Feedback (FB) - Used for voltage feedback to regulate output voltage.
4. Control (C) - Controls the switching frequency and provides over-voltage protection.
5. VDD (V) - Power supply pin that provides the necessary voltage to the chip.
6. GND (G) - Ground reference pin.
7. CSN (Current Sense Negative) - Used for current sensing to protect against overcurrent conditions.
8. CSP (Current Sense Positive) - Works in conjunction with CSN for current sensing.
The TNY286DG is suited for applications such as adapters, chargers, and low-power supplies, with an efficiency-focused design.

Manufacturer

The TNY286DG is manufactured by Power Integrations, a company that specializes in energy-efficient power conversion technology. Founded in 1985, Power Integrations designs and provides semiconductor solutions for high-performance power supplies, primarily used in various applications such as consumer electronics, lighting, and industrial systems. They are known for innovations in power supply design, including integrated circuits that help reduce energy loss and improve efficiency in electrical systems. Their products are widely used in products that require compact power management solutions.

Application

The TNY286DG is a low-power switch mode power supply (SMPS) controller primarily used in applications such as LED drivers, adapters, and chargers. It is suitable for powering various consumer electronics, including TVs, computers, and home appliances, due to its high efficiency and compact size. Additionally, it is applicable in industrial equipment and IoT devices, providing reliable power conversion in space-constrained environments.

Equivalent

The TNY286DG is a part of the TinySwitch series from Power Integrations, typically used for low-power switch-mode power supplies. Equivalent products include the TNY287, TNY288, and TNY289, which offer similar functions with varying output power capabilities and features. For alternative brands, you might consider the NCP1200 series from ON Semiconductor or the LM2596 from Texas Instruments, depending on your specific application needs. Always check the datasheets for compatibility in terms of voltage, current, and other parameters.