TOP412GN-TL

Voltage - Input (Max):	--
Supplier Device Package:	8-SMD
Package / Case:	8-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	120kHz
Current - Output:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	--
Series:	TOPSwitch®
Voltage - Input (Min):	--
Number of Outputs:	1
Output Type:	--
Topology:	Buck, Boost, Flyback, Forward Converter
Output Configuration:	Positive, Isolation Capable
Function:	Step-Up, Step-Down, Step-Up/Step-Down
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The TOP412GN-TL is a DC/DC switching regulator designed specifically to be used as a point-of-load regulator in power supply chains, it is used in applications such as high-performance computer and networking systems, laptops and other devices. In comparison to traditional linear voltage regulators, this device offers superior performance, low standby power and high output current while making it cost-effective to use in multiple applications.The TOP412GN-TL is a Pulse Width Modulation (PWM) Voltage Regulator that efficiently converts one DC voltage level to another with a relatively high efficiency (typically 85%). It is able to operate at wide input voltage ranges, making it suitable for use under varying input voltage levels. The TOP412GN-TL also features dynamic voltage scaling, allowing the output voltage to be dynamically adjusted according to the input voltage, by automatically detecting and regulating the input voltage within a limited range.

Application

The TOP412GN-TL is ideal for use as a point-of-load regulator in a wide variety of applications. It can be used to provide precise and stable power to:* High-performance processors and chipsets* USB 3.0 interfaces* Ethernet switching applications* Widebuss signaling* Power-over-Ethernet (PoE) systems* LCD and LED displays* Embedded systems* Servers, storage, and networking systems* Power control in automotive, communications, and industrial systemsThe TOP412GN-TL is also well-suited for use in portable applications such as:* Smartphones * GPS devices* eBook readers* Tablets* Digital cameras

Working Principle

The TOP412GN-TL uses a pulse-width modulation (PWM) technique to regulate the output voltage. The PWM technique works by controlling the output voltage by turning the power switch on and off. The output voltage is based on the duty cycle or the time the switch is on compared to the time the switch is off. The duty cycle is adjusted to yield the desired output voltage.When an input voltage is supplied, it is rectified and regulated by the built-in switching regulator circuit, then the output voltage is calculated, compared and finally corrected by the built-in pulse width modulator. The PWM controller, through duty cycle control and synchronization, maintains a steady output voltage even under variable load. This makes the TOP412GN-TL well-suited for use in applications where reliable and stable voltage is essential.The TOP412GN-TL is further enhanced with several features that make it an ideal choice for a variety of applications. These features include an adjustable output voltage from 0.8V - 5.5V, up to 2.5A output current and an automatic voltage scaling function. Additionally, the TOP412GN-TL has built-in protection against over temperature and current sensing which adds an extra layer of protection against component damage.

Conclusion

The TOP412GN-TL is a point-of-load regulator designed to provide reliable and highly efficient power supply conversion. It is designed to operate with a wide input voltage range and combines advanced features with high efficiency and a cost-effective price. As a result, it is well-suited for use in a variety of applications such as high-performance processors, USB 3.0, Ethernet switching, LCD/LED displays, and portable devices. In addition, the TOP412GN-TL features protection against over temperature and current sensing, providing an extra layer of protection for you and your components.

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