TOP271KG

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TOP271KG

+BOM

IC OFFLINE SWITCH FLYBACK 12ESOP

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Specifications

Attribute Value
Package Tube
Series TOPSwitch®-JX
ProductStatus Discontinued at Digi-Key
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

Overview

Description

"Introduction to TOP271KG" likely refers to a course or module, though specific details are unclear due to limited context. Generally, such titles can imply a specialized topic, perhaps in an academic or technical field. If TOP271KG is a course code, it might be part of a university's curriculum, possibly focusing on an advanced subject given the numbering. The introduction would typically cover the course's objectives, key topics, and learning outcomes, providing students with an overview of what to expect. It would also likely include information on prerequisites, required materials, and assessment methods. Without further context or specific details about what TOP271KG entails—whether it pertains to a scientific field, engineering, or another area—it's difficult to provide a precise description. If you have additional details, such as the institution offering it or its thematic focus, that would help in creating a more tailored summary.

Equivalent

The TOP271KG is a part of the TOPSwitch-JX series by Power Integrations, used for power conversion. Equivalent products would ideally have similar specifications and features. Some alternatives to consider might include:
1. NCP107x Series by ON Semiconductor
2. LNK6x Series by Power Integrations
3. VIPer* Series by STMicroelectronics
Ensure the selected equivalent meets your design's specific requirements such as input voltage range, output power, and efficiency.

Features

The TOP271KG is a part of a series of integrated circuits designed for power conversion applications. Key features typically associated with these types of ICs include:
1. High Efficiency: Designed to maximize energy efficiency, reducing power losses.
2. Compact Design: Integrates multiple functions in a single chip, saving space in electronic designs.
3. Wide Input Voltage Range: Can handle varying input voltages, making it suitable for different power conditions.
4. Precise Regulation: Provides accurate output voltage and current regulation.
5. Protection Features: Includes over-voltage, over-current, and thermal shutdown protections to enhance reliability and safety.
6. Low Standby Power: Minimizes power consumption during idle or low-load conditions.
7. Ease of Use: Simplifies the design process with fewer external components required.
8. Flexibility: Adaptable to various power supply designs and applications.
These features make the TOP271KG suitable for applications in consumer electronics, industrial devices, and other areas requiring efficient power management.

Pinout

The TOP271KG is a member of the TOPSwitch-JX series, which are integrated offline switcher ICs designed for high-efficiency power conversion. This particular model is typically used in applications like power supplies. The TOP271KG comes in a 7-pin TO-220 package.
The pins and their functions are typically as follows:
1. SOURCE (S) - Pin 1: This is the power switch source and primary circuit common.
2. CONTROL (C) - Pin 2: This pin is used for the control circuit and feedback. It is where the IC receives its supply current.
3. SYNCHRONOUS RECTIFIER (SR) - Pin 3: Provides a drive signal for synchronous rectification.
4. MULTI-FUNCTION (M) - Pin 4: Can be used for line-sense, under-voltage, and over-voltage protections.
5. BYPASS/MULTI-FUNCTION (BP/M) - Pin 5: Used for setting the current limit and frequency.
6. DRAIN (D) - Pin 6: The power MOSFET drain connection. It is the output switch's drain.
7. DRAIN (D) - Pin 7: Also a drain pin, often internally connected to Pin 6 for heat dissipation.
Please refer to the datasheet for detailed specifications and application guidelines.

Manufacturer

The TOP271KG is manufactured by Power Integrations, Inc. Power Integrations is a company that specializes in the development and production of high-performance electronic components used in high-voltage power conversion systems. Their products are widely utilized in various applications such as power supplies, LED lighting, motor drives, and renewable energy systems. As a leader in power conversion technology, the company focuses on providing solutions that enable energy-efficient power conversion in electronic devices.

Application

TOP271KG is a power switch IC used primarily in power supply applications. Key areas include:
1. Consumer Electronics: Used in adapters and chargers for devices like smartphones, tablets, and laptops.
2. Industrial Power Supplies: Powers and regulates equipment in industrial settings, ensuring efficiency and reliability.
3. LED Lighting: Drives and manages power for LED lighting systems, enhancing energy efficiency.
4. Home Appliances: Integrated into appliances for efficient power management, reducing energy consumption.
5. Smart Meters: Used in smart metering solutions for accurate and efficient energy distribution.
Overall, it enhances energy efficiency, reduces component count, and supports compact design in various electronic applications.

Package

TOP271KG typically refers to the packaging of a product weighing 271 kilograms. The specific packaging type can vary based on the product's nature but often involves durable materials like heavy-duty plastic, metal drums, or reinforced crates to ensure safe transport and storage.

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