TNY290PG

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TNY290PG

IC OFFLINE SWITCH FLYBACK 8DIP

100% gốc & amp; Mới

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Bảo hành 365 ngày

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Thông số kỹ thuật

Package Tube
Series TinySwitch®-4
ProductStatus Active
OutputIsolation Isolated
InternalSwitch(s) Yes
Voltage-Breakdown 725V
Topology Flyback
DutyCycle 67%
Frequency-Switching 124kHz ~ 140kHz
Power(Watts) 20 W
FaultProtection Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit
ControlFeatures EN
OperatingTemperature -40°C ~ 150°C (TJ)
Package/Case 8-DIP (0.300, 7.62mm), 7 Leads
SupplierDevicePackage 8-PDIP-C

Tổng quan

Description

The TNY290PG is a highly integrated, low-power offline switcher IC designed for power supply applications, particularly in flyback converters. It belongs to the TinySwitch series by Power Integrations and is widely used in designs requiring compact size and high efficiency. This IC operates with a wide input voltage range (85-265 VAC) and can deliver up to 6 watts of output power.
Key features include built-in over-voltage and over-temperature protection, frequency jittering for reduced EMI, and a low startup current, making it energy-efficient. The TNY290PG supports various output configurations and can be used in applications such as LED drivers, adapters, and small appliances. Its compact package and simplicity of design allow for reduced component counts and lower overall system costs, making it suitable for a variety of consumer electronics and industrial applications.

Features

The TNY290PG is a compact, low-power offline switcher IC designed for power supply applications. Key features include:
1. Integrated MOSFET: Combines a high-voltage power MOSFET, reducing component count and PCB space.
2. Wide Input Voltage Range: Supports input voltages from 85V to 265V AC, making it suitable for universal input applications.
3. Low Standby Power: Achieves under 30 mW standby power consumption, complying with energy efficiency standards.
4. Built-in Protection Features: Includes over-temperature protection, overload protection, and short-circuit protection, enhancing reliability.
5. Adjustable Output Voltage: Capable of delivering a regulated output voltage, ideal for powering various devices.
6. Frequency Jittering: Reduces electromagnetic interference (EMI) by varying switching frequency.
7. Compact Package: Offered in a DIP-8 package, facilitating easy integration into designs.
These features make the TNY290PG suitable for applications such as adapters, chargers, and low-power supply designs.

Package

The TNY290PG is typically packaged in a DIP-8 (Dual In-Line Package, 8 pins) format. This package type is designed for easy mounting on printed circuit boards and provides effective thermal dissipation.

Pinout

The TNY290PG is a part of the TinySwitch series, specifically designed for off-line power supply applications. It comes in a 7-pin package (DIP-7) and features the following pins:
1. DRAIN (Pin 1): Connects to the primary winding of the transformer.
2. SOURCE (Pin 2): Connects to the ground and is the return path for the current.
3. GND (Pin 3): Ground reference for the controller.
4. COMP (Pin 4): Compensation pin for feedback and stability.
5. VDD (Pin 5): Supply voltage pin; provides biasing for the IC.
6. CSN (Pin 6): Current sense negative input for overcurrent protection.
7. CSP (Pin 7): Current sense positive input for feedback control.
The TNY290PG is typically used in applications such as wall adapters, LED drivers, and other low-power switch-mode power supplies, offering features like low standby power consumption and built-in protection mechanisms.

Manufacturer

The TNY290PG is manufactured by Power Integrations, Inc. Power Integrations is a semiconductor company specializing in energy-efficient power conversion technologies. Founded in 1985 and based in San Jose, California, the company designs and develops ICs (integrated circuits) that are widely used in appliances, consumer electronics, and industrial applications to improve energy efficiency and reduce energy consumption. Their products include a range of power supply solutions, such as flyback converters and LED drivers, which help manufacturers meet regulatory requirements for energy efficiency and contribute to sustainability efforts.

Application

The TNY290PG is a compact, low-power off-line switcher primarily used in power supply applications. Its application areas include LED drivers, adapters for consumer electronics, chargers, and small appliances. It is suitable for energy-efficient designs in home automation, industrial control, and IoT devices due to its ability to provide a reliable power source while minimizing energy consumption.

Equivalent

The TNY290PG chip is a part of the TinySwitch series of off-line switcher ICs. Equivalent products include the TNY291, TNY292, and TNY293, which offer similar features with slight variations in output power and specifications. Additionally, you may consider the NCP1200 series or the TOPSwitch series from Power Integrations as alternatives, depending on the specific application requirements. Always check datasheets for compatibility.

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