TNY268GN

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TNY268GN

+BOM

IC OFFLINE SWITCH FLYBACK 8SMD

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Specifications

Attribute Value
Series TinySwitch®-II
Part Status Discontinued at Digi-Key
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback
Duty Cycle 65%
Frequency - Switching 132kHz
Power (Watts) 23 W
Fault Protection Current Limiting, Open Loop, Over Temperature, Short Circuit
Control Features EN
Operating Temperature -40°C ~ 150°C (TJ)
Package / Case 8-SMD (7 Leads), Gull Wing
Supplier Device Package SMD-8B
Mounting Type Surface Mount
Base Product Number TNY268

Overview

Description

TNY268GN is a highly integrated power IC designed for low-power switch-mode power supplies (SMPS). It is part of the TinySwitch series from Power Integrations, offering a compact solution for various applications, including adapters, LED drivers, and home appliances. The TNY268GN operates with a wide input voltage range and includes built-in features such as over-voltage protection, under-voltage lockout, and thermal shutdown, ensuring reliability and safety.
With a maximum output power of around 5-10 watts, it is suitable for applications requiring efficiency and minimal external components. The device utilizes a patented current-mode control architecture, which allows for precise regulation and improved transient response. Additionally, it features a low standby power consumption mode, making it ideal for energy-efficient designs compliant with international energy standards. The TNY268GN is housed in a surface-mount package, facilitating easy integration into compact electronic designs.

Equivalent

The TNY268GN is a part of the TinySwitch series by Power Integrations. Equivalent products include TNY266, TNY267, TNY269, and other TinySwitch models with similar power ratings and features. However, for precise applications, it's essential to check specifications like voltage, current, and package type to ensure compatibility. Always consult the manufacturer's datasheet for the most accurate information.

Features

The TNY268GN is a power management integrated circuit (IC) commonly used in switch-mode power supplies. Key features include:
1. Integrated Controller: Combines a high-voltage power MOSFET with a controller, simplifying design and reducing component count.
2. Low Power Consumption: Achieves low standby power and high efficiency, making it suitable for energy-saving applications.
3. Wide Input Voltage Range: Supports input voltages from 85V to 265V AC, accommodating various power line standards.
4. Built-in Protection Features: Includes over-voltage, over-current, and thermal protection to enhance reliability and safety.
5. Frequency Modulation: Features frequency jittering to minimize electromagnetic interference (EMI).
6. Compact Size: Offered in a small DIP-8 package, allowing for space-efficient designs.
Overall, the TNY268GN is ideal for applications including LED drivers, adapters, and low-power supplies in consumer electronics.

Pinout

The TNY268GN is a tiny switcher integrated circuit from Power Integrations, specifically part of the TinySwitch series. It features a total of 8 pins. The pin functions are as follows:
1. Drain (D): Connects to the external transistor for switching.
2. Source (S): Connects to the ground reference.
3. VDD: Supply voltage pin for the IC.
4. GND: Ground pin.
5. Feedback (FB): Used for feedback to regulate output voltage.
6. CS (Current Sense): Monitors the current through the transformer for protection and regulation.
7. RT (Timing Resistor): Connects to a timing resistor for setting the switching frequency.
8. Comp (Compensation): Connects to a compensation capacitor for stability in feedback loop.
This device is typically used in low power applications, including adapters and chargers, due to its high efficiency and compact size.

Application

The TNY268GN is a highly integrated, low-power switcher designed for various applications, primarily in power supply solutions. Key application areas include:
1. Adapters: Used in wall plug adapters for consumer electronics.
2. LED Lighting: Suitable for driving LED light fixtures.
3. Industrial Power Supplies: Employed in industrial control systems and automation.
4. Telecommunication Equipment: Utilized in powering network devices.
5. Household Appliances: Applied in small appliances like coffee makers and microwaves.
Its compact design and efficiency make it ideal for space-constrained environments requiring reliable power conversion.

Package

The TNY268GN is available in a DIP-7 (Dual In-line Package) format, which is a through-hole package type commonly used for integrated circuits.