TOP209GN

Series:	TOPSwitch®
Packaging:	Tube
Part Status:	Obsolete
Output Isolation:	Non-Isolated
Internal Switch(s):	Yes
Voltage - Breakdown:	700V
Topology:	Flyback
Voltage - Supply (Vcc/Vdd):	--
Duty Cycle:	67%
Frequency - Switching:	70kHz
Power (Watts):	2W
Fault Protection:	Current Limiting, Over Temperature
Control Features:	--
Operating Temperature:	-40°C ~ 150°C (TJ)
Package / Case:	8-SMD, Gull Wing
Supplier Device Package:	8-SMD
Mounting Type:	Surface Mount

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PMIC - AC DC Converters, Offline Switchers

Power Management Integrated Circuits (PMICs) are integrated circuits (ICs) tasked with overseeing and controlling the power-related processes within an electrical system. At the most fundamental level, PMICs monitor the power supply coming from an AC or DC power source, and then process and deliver the power to various components in the connected electrical system. Additionally, PMICs are responsible for monitoring the power used within a system, managing the system’s energy efficiency, and controlling the current draw and voltage output of each system component. When it comes to the specific class of PMICs known as AC/DC converters and offline switchers, the goal of these power management integrated circuits (PMICs) is to convert alternating current (AC) from a wall plug or other power source into a direct current (DC) that can be used in the electrical components of an electronic system. The output of AC/DC converters and offline switcher PMICs is customizable; they can provide a continuous current throughout their transition from AC to DC, or they can switch between different current levels throughout the transformation process. The TOP209GN is one of the latest additions to the market of AC/DC converter and offline switcher PMICs. It is an integrated circuit (IC) specially designed to provide up to a 400W power output rating, making it ideal for use in a variety of different electronic applications. Beyond its impressive power output rating, the TOP209GN has multiple features that make it popular amongst designers and engineers. The first of these features is its low standby power. The TOP209GN is designed with sophisticated power saving technology, which allows it to maintain such a low standby power rating. This technology makes it well suited for use in a wide array of applications, from wireless communication systems to consumer electronics. The TOP209GN also offers an extensive range of protection and diagnostic features that improve the reliability, efficiency, and performance of the IC. To ensure stability, the TOP209GN offers over-temperature protection, output over-voltage protection, and average current protection to ensure successful long-term operation. Furthermore, the IC includes a cycle-by-cycle over-current limiter, power on reset, and cycle-by-cycle auto-reset features that help guarantee the accuracy and speed of the circuit’s power management. Finally, the TOP209GN offers a wide input voltage range which enables it to operate on a variety of different AC and DC power sources. This makes it ideal for use in a wide array of different applications, ranging from communication systems to consumer electronics. When it comes to the working principle of the TOP209GN, the circuit’s operation can be broken down into three stages: startup, boost conversion, and output conditioning. At startup, the chip monitors the input voltage and then adjusts the converter to ensure a successful conversion from AC to DC. During the boost conversion stage, the AC ripple is filtered and the power output is boosted. Finally, in the output conditioning stage, the output voltage level, switching frequency, and other parameters are set and optimized. Once the power output is conditioned, the PMIC can deliver the power to the connected components, thus providing reliable and efficient operation throughout the entire system. With its impressive power output rating, sophisticated power saving technology, wide range of protection and diagnostic features, and wide input voltage range, the TOP209GN is well-suited for use in a variety of different application scenarios. Its three-stage working principle allows it to seamlessly convert from AC to DC, helping to ensure reliable and efficient power output for use in wireless communication, consumer electronics, and many other systems. As such, the TOP209GN is one of the most versatile and powerful PMICs available on the market today.

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