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TNY268PN

Name: TNY268PN
Rating: 4.7 (12 reviews)

IC OFFLINE SWITCH FLYBACK 8DIP

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Mfr。パート #TNY268PN
パッケージ DIP-8
データシート
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仕様

Package	Tube
Series	TinySwitch®-II
ProductStatus	Not For New Designs
OutputIsolation	Isolated
InternalSwitch(s)	Yes
Voltage-Breakdown	700V
Topology	Flyback
DutyCycle	65%
Frequency-Switching	132kHz
Power(Watts)	23 W
FaultProtection	Current Limiting, Open Loop, Over Temperature, Short Circuit
ControlFeatures	EN
OperatingTemperature	-40°C ~ 150°C (TJ)
Package/Case	8-DIP (0.300, 7.62mm), 7 Leads
SupplierDevicePackage	8-PDIP-B

概要

Description

TNY268PN is a compact, off-line switcher IC designed for power supply applications, notably in low-power designs. It belongs to the TinySwitch family from Power Integrations, which are known for their energy-efficient performance in AC-DC power conversion. The TNY268PN specifically supports a wide input voltage range and provides a maximum output power of approximately 5-20 watts, making it suitable for powering devices such as adapters, chargers, and lighting systems.
Key features include built-in thermal shutdown, overload protection, and low standby power consumption, complying with global energy efficiency standards. Its integration of a high-voltage switch allows for simpler designs by reducing external components and board space requirements. The TNY268PN operates in a quasi-resonant mode, which minimizes switching losses, enhancing efficiency.
Overall, the TNY268PN is an ideal choice for designers seeking reliable, efficient, and compact power supply solutions in consumer electronics and other applications.

Features

The TNY268PN is a compact, high-performance power management IC designed for low-power applications. Key features include:
1. Integrated High-Voltage Switch: Allows direct connection to the AC line, simplifying design.
2. Power Factor Correction: Enhances efficiency and performance in power conversion.
3. Low Standby Power: Reduces energy consumption in idle mode, ideal for energy-efficient designs.
4. Output Voltage Regulation: Provides stable output voltage for various applications.
5. Over-Temperature Protection: Prevents overheating, ensuring reliable operation and longevity.
6. Short-Circuit Protection: Safeguards the device and connected components from damage due to faults.
7. Small Package Size: The DIP-8 package allows for easy integration into compact designs.
Overall, the TNY268PN is suitable for applications such as adapters, chargers, and LED drivers, where efficiency and reliability are critical.

Package

The TNY268PN is packaged in a DIP-8 (Dual In-line Package) format. This compact package houses the integrated circuit, allowing for easy mounting on PCBs.

Pinout

The TNY268PN is a part of the TinySwitch family of switcher ICs from Power Integrations, designed for low-power applications. It features a total of 8 pins.
The pin functions are as follows:
1. Pin 1 (DRAIN): Connects to the drain of the external MOSFET.
2. Pin 2 (SOURCE): Connects to the source of the external MOSFET (also serves as the power ground).
3. Pin 3 (GND): Ground reference for the IC.
4. Pin 4 (VDD): Supply voltage pin for the IC.
5. Pin 5 (CS): Current sense input for providing overcurrent protection.
6. Pin 6 (SS): Soft-start pin, regulating the start-up time.
7. Pin 7 (CT): Timing capacitor pin, used for setting the switching frequency.
8. Pin 8 (COMP): Compensation pin for feedback control.
This IC is commonly used in applications like adapters and chargers, providing high efficiency in a compact design.

Manufacturer

The TNY268PN is manufactured by Power Integrations, a company that specializes in high-performance electronic components, particularly for power supply applications. Founded in 1985, Power Integrations is known for its innovative technologies and products that enable efficient energy conversion, primarily in applications such as LED lighting, mobile device chargers, and industrial power supplies. The company focuses on developing integrated circuits and solutions to reduce energy consumption and improve overall efficiency in electronic systems. Power Integrations is recognized for its commitment to sustainability and energy efficiency in the design and production of its products.

Application

The TNY268PN is a power management IC primarily used in switch-mode power supplies. Its application areas include LED drivers, adapters for consumer electronics, offline power supplies, and battery chargers. It is ideal for low-power applications due to its high efficiency and compact design, making it suitable for home appliances, telecommunications, and industrial equipment.

Equivalent

The TNY268PN is a TinySwitch integrated circuit. Equivalent products include the TNY267, TNY269, and TNY271 series. Additionally, other alternatives might include the NCP1200 series from ON Semiconductor and the TOPSwitch family from Power Integrations, depending on specific application requirements such as voltage, current, and power ratings. Always consult datasheets for compatibility.