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TOP271KG-TL

Name: TOP271KG-TL
Rating: 4.7 (12 reviews)

IC OFFLINE SWITCH FLYBACK 12ESOP

製造商
製造商。部分 #TOP271KG-TL
包 ESOP-11
資料表 TOP271KG-TL DataSheet
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
Series	TOPSwitch®-JX
ProductStatus	Active
OutputIsolation	Isolated
InternalSwitch(s)	Yes
Voltage-Breakdown	725V
Topology	Flyback
DutyCycle	78%
Frequency-Switching	66kHz, 132kHz
Power(Watts)	102 W
FaultProtection	Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit
ControlFeatures	Frequency Control
OperatingTemperature	-40°C ~ 150°C (TJ)
Package/Case	12-BESOP (0.350, 8.89mm Width), 11 Leads, Exposed Pad
SupplierDevicePackage	12-ESOP

概述

Description

The TOP271KG-TL is a high-voltage, integrated circuit designed primarily for offline switch-mode power supplies (SMPS). It belongs to the TOPSwitch family by Power Integrations, which are known for their efficiency and compact design. This particular model operates in a flyback topology, suitable for applications such as LED drivers, adapters, and various consumer electronics.
Key features of the TOP271KG-TL include a built-in high-voltage power MOSFET, low start-up current, and a wide input voltage range, typically from 85V to 265V AC. It supports a range of output power levels and offers various protections such as over-temperature, over-voltage, and short-circuit protection, ensuring reliable operation.
The device is designed to simplify circuit design while minimizing component count, which contributes to smaller overall power supply sizes and reduced costs. Additionally, it operates at high efficiency, helping to meet stringent energy regulations and improving thermal performance in power supply designs.

Features

The TOP271KG-TL is a high-voltage, off-line, flyback switching regulator designed for use in AC-DC power conversion applications. Key features include:
1. Integrated Circuit: Combines a high-voltage power MOSFET with control and protection circuitry.
2. Output Voltage Range: Capable of delivering output voltages typically ranging from 5V to 24V.
3. Wide Input Voltage: Supports input voltages up to 80V, making it suitable for various AC mains applications.
4. Current Mode Control: Ensures stable operation and improved transient response.
5. Built-in Protection: Features include over-voltage, over-current, and thermal protection to enhance reliability.
6. Low Standby Power: Designed to comply with energy efficiency regulations, minimizing power consumption in standby mode.
7. Simple Design: Reduces component count and simplifies the overall design process.
These attributes make the TOP271KG-TL ideal for applications such as LED drivers, adapters, and industrial power supplies.

Package

The TOP271KG-TL is packaged in a DIP-8 (Dual In-line Package) format, specifically designed for through-hole mounting on printed circuit boards.

Pinout

The TOP271KG-TL is a high-voltage switching regulator designed for off-line applications. It features a total of 8 pins. Here is a brief overview of the pin functions:
1. DRAIN (D): Outputs the high voltage to the transformer.
2. GND (G): Ground reference for the IC.
3. VDD (V): Supply voltage input for the IC.
4. VREF (R): Reference voltage output.
5. COMP (C): Compensation network connection for stability.
6. CS (S): Current sense input for overcurrent protection.
7. RT (T): Timing capacitor connection for oscillator frequency control.
8. FB (F): Feedback input for voltage regulation.
This device is commonly used in power supply applications, providing a compact solution with built-in protections against over-voltage and over-current conditions.

Manufacturer

The TOP271KG-TL is manufactured by Power Integrations, Inc. Power Integrations is a semiconductor company specializing in high-performance analog and mixed-signal integrated circuits for energy-efficient power conversion. Founded in 1988 and headquartered in San Jose, California, the company focuses on developing innovative technologies that enhance efficiency in power management applications, particularly for consumer electronics, lighting, and industrial systems. Power Integrations is known for its commitment to sustainability and energy efficiency, offering solutions that help reduce energy consumption and minimize environmental impact.

Application

The TOP271KG-TL is a high-voltage integrated circuit used primarily in power supply applications. Its key application areas include switch-mode power supplies (SMPS), adapters, and chargers for consumer electronics, industrial equipment, and telecommunications. It is designed for energy-efficient designs, offering features such as over-voltage protection, under-voltage lockout, and thermal shutdown, making it suitable for isolated and non-isolated applications.

Equivalent

The TOP271KG-TL is a power management IC, specifically a flyback switching regulator. Equivalent products include the TOP242, TOP243, TOP244, and TOP245 series from Texas Instruments, as well as the LNK series from Power Integrations (e.g., LNK304, LNK305). Always check the specific electrical characteristics and package types to ensure compatibility.