TOP243PN

Series:	TOPSwitch®-GX
Packaging:	Tube
Part Status:	Active
Output Isolation:	Isolated
Internal Switch(s):	Yes
Voltage - Breakdown:	700V
Topology:	Flyback
Voltage - Supply (Vcc/Vdd):	--
Duty Cycle:	66.5%
Frequency - Switching:	66kHz ~ 132kHz
Power (Watts):	25W
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:	DIP-8B
Mounting Type:	Through Hole

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PMIC - AC DC Converters, Offline Switchers

The TOP243PN is a highly efficient, ideal diode bridge rectifier, designed to provide a 15mA drive current for high power, isolated or non-isolated DC-DC converters and other offline switching applications. The TOP243PN is ideal for AC-DC power applications, such as telecom and datacom uninterruptible power supply (UPS) systems, DC-DC converters, lighting and motor control, power supplies, and battery chargers.The TOP243PN features built-in dual Schottky diodes, which eliminate the need for external diode components. Higher power density, less external components, and faster switching speeds make the TOP243PN an ideal solution for various power designs. The TOP243PN offers high efficiencies up to 95% and low static and dynamic switch losses over a wide range of input and output voltages.The TOP243PN is designed to operate at up to 100kHz switching frequency, allowing flexibility in selecting the operating point and enabling it to be used in a wide variety of applications. The low-noise operation of the TOP243PN minimizes EMI/RFI, making it ideal for wireless communications applications. It also has a wide input voltage range of 3V to 75V, which makes it suitable for AC-DC applications, such as UPS systems, where input voltage can range from 100V to 240V. Its output voltage is adjustable from 5V to 28V.The TOP243PN features a low-profile design, low external element count, integrated Schottky diodes, and advanced switching speed, making it an ideal solution for various power designs. The integrated Schottky diodes reduce switching losses, resulting in higher efficiency and better power delivery, making it suitable for a broad range of AC-DC, DC-DC, and other offline switching applications. The low-profile design and low external element count enables the TOP243PN to be used in tight installations, such as those often found in data centers, telecom systems, and mission-critical operations.The advanced switching technology of the TOP243PN offers a wide range of input and output voltages, allowing it to be used in a variety of applications. It can operate in both continuous conduction and discontinuous conduction modes depending on the application, enabling optimal power delivery. The TOP243PN also features an input transient protection for improved reliability, as well as an adjustable soft-start controller that reduces the in-rush current during start-up.In summary, the TOP243PN is an ideal diode bridge rectifier with an integrated Schottky diode, allowing for higher efficiency, lower external element count, and faster switching speeds, suitable for AC-DC, DC-DC, and other offline switching applications. It has a wide input voltage range, adjustable output voltage, and low switching losses, making it suitable for data centers, telecom systems, mission-critical operations, and other sectors. Additionally, it has a low-noise operation to minimize EMI/RFI, and a wide range of operating frequency to meet many design needs.

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