TOP223GN

Duty Cycle:	67%
Mounting Type:	Surface Mount
Supplier Device Package:	8-SMD
Package / Case:	8-SMD, Gull Wing
Operating Temperature:	-40°C ~ 150°C (TJ)
Control Features:	--
Fault Protection:	Current Limiting, Over Temperature
Power (Watts):	25W
Frequency - Switching:	100kHz
Series:	TOPSwitch®-II
Voltage - Supply (Vcc/Vdd):	--
Topology:	Boost, Buck, Flyback, Forward
Voltage - Breakdown:	700V
Internal Switch(s):	Yes
Output Isolation:	Isolated
Part Status:	Not For New Designs
Packaging:	Tube

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The TOP223GN, a secondary side synchronous rectification Switching converters type, belongs to the Power Management Integrated Circuit (PMIC) family. It is typically used as AC/DC converters and offline switchers, and it was first introduced by Power Integrations in late 2020. This device is capable of synchronous rectification with low EMI noise, fast transient response, and a high level of efficiency.The TOP223GN follows the classic full-bridge AC/DC topology, which is composed of four main elements: the input diode bridge, the rectifier, the magnetically coupled Inductor, and the output capacitor. The output capacitor provides a low-impedance path for the energy, while the inductor is used to store and control the energy delivered to the output stage. The bridge rectifier smoothens the discontinuities and harmonic distortion of the output voltage waveform, while the rectifier on the secondary side tolerates a wide input voltage range while maintaining a fast response and high power density.The circuit also offers a wide range of features and features to improve operation, including over-voltage protection, temperature shut-off, fast transient response, and a range of output power. Moreover, the device can work either in the continuous conduction mode or in the discontinuous conduction mode, depending on the application requirements.The TOP223GN works on a maximum input voltage of 245V AC, with a maximum power dissipation of 175W. It is capable of delivering peak efficiency of over 98%, with a very low switching loss which makes this device one of the most efficient PMIC devices available.The device works by generating a non-inverting rectangular waveform which is 250 kHz in frequency. This waveform is then applied to the input rectifier and the secondary side rectifier. When an input voltage is applied to the input rectifier, the waveform will be rectified and a voltage waveform will be output. This voltage waveform is then transferred to the output capacitor, where it is stored and its voltage is smoothed and reduced.The TOP223GN also works in a wide temperature range, up to a maximum of 125°C, and offers an integrated over-voltage protection capability, which is invaluable in high voltage applications. In addition, the device also features a variable slew rate and a fast transient response, which makes it suitable for pulsed applications.The TOP223GN is an excellent choice for PMIC applications, given its high efficiency, fast transient response and excellent level of protection. It is suitable for applications including off-line switchers, AC/DC power converters, battery managers, and power supplies.

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