TOP246PN

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TOP246PN

IC OFFLINE SWITCH FLYBACK 8DIP

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Specifications

Series TOPSwitch®-GX
Part Status Not For New Designs
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback
Duty Cycle 66.5%
Frequency - Switching 66kHz ~ 132kHz
Power (Watts) 34 W
Fault Protection Current Limiting, Over Temperature, Over Voltage
Control Features Frequency Control
Operating Temperature -40°C ~ 150°C (TJ)
Package / Case 8-DIP (0.300", 7.62mm), 7 Leads
Supplier Device Package 8-PDIP-B
Mounting Type Through Hole
Base Product Number TOP246

Overview

Description

The TOP246PN is a high-performance integrated circuit designed for power supply applications, specifically within the category of off-line switch-mode power supplies (SMPS). It belongs to the TOPSwitch family, which combines a high-voltage power MOSFET with a controller, simplifying circuit design and enhancing efficiency.
Key features include a wide input voltage range (85-265V AC), built-in over-voltage and thermal protection, and a low standby power consumption. The device can handle output powers up to 75W in flyback configurations, making it suitable for various applications, including adapters, chargers, and LED drivers.
The TOP246PN is known for its ease of use, requiring minimal external components, which helps reduce design complexity and overall system cost. Its compact size and robust performance make it an ideal choice for designers seeking reliability and efficiency in power solutions.

Features

The TOP246PN is a high-performance integrated circuit designed for off-line switching power supplies. Key features include:
1. Integrated Power MOSFET: Combines a high-voltage power MOSFET with a controller, minimizing external components.
2. Wide Input Voltage Range: Supports input voltages from 85V to 265V AC, ideal for universal input applications.
3. Output Power: Capable of delivering up to 65W output power, suitable for a variety of applications.
4. Current Mode Control: Provides improved regulation and transient response.
5. Built-in Protection: Features include over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown, enhancing reliability.
6. Low Standby Power Consumption: Designed to meet energy efficiency standards, reducing energy loss during idle periods.
7. Frequency Modulation: Reduces EMI emissions by varying switching frequency under different load conditions.
8. Easy Design: Simplifies circuit design with fewer external components required.
These features make the TOP246PN an efficient choice for power supply designs in consumer electronics, industrial equipment, and more.

Package

The TOP246PN is packaged in a 16-pin DIP (Dual In-line Package). This package type allows for easy integration into various circuit designs and is suitable for through-hole mounting.

Pinout

The TOP246PN is a high-voltage, integrated circuit used for offline switch-mode power supplies. It features an 8-pin dual in-line package (DIP).
Pin Count and Function:
1. Pin 1 (VDD): Supply voltage for the device.
2. Pin 2 (GND): Ground connection.
3. Pin 3 (COMP): Compensation pin for feedback loop stability.
4. Pin 4 (CS): Current sense pin, used for overcurrent protection.
5. Pin 5 (VREF): Reference voltage output (typically 5V).
6. Pin 6 (DRAIN): Connection to the drain of the MOSFET for switching control.
7. Pin 7 (F/B): Feedback pin for regulating output voltage.
8. Pin 8 (C/S): Control signal for minimizing switching losses.
The device integrates a power MOSFET and provides features like high efficiency and built-in protections, making it suitable for power supply applications.

Application

The TOP246PN is a high-voltage, integrated circuit primarily used in power supply applications. It is suitable for switched-mode power supplies (SMPS), including AC-DC converters, adapters, and LED drivers. Its features support various applications like telecom, industrial equipment, consumer electronics, and battery chargers, where efficient power conversion and compact design are essential.

Equivalent

The TOP246PN chip is a power supply controller often used in switch-mode power supplies. Equivalent products include the TOP247PN, TOP248PN, and similar devices from other manufacturers, such as the NCP1200 series from On Semiconductor or the LM2596 from Texas Instruments. Always verify pin compatibility and specifications for specific applications.

Shipping

Shipping MethodsWe

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

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