SI9104DW-T1-E3

Voltage - Output (Min/Fixed):	--
Base Part Number:	SI9104
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	40kHz ~ 1MHz
Current - Output:	--
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	120V
Voltage - Input (Min):	10V
Number of Outputs:	1
Output Type:	--
Topology:	Flyback, Forward Converter
Output Configuration:	Positive, Isolation Capable
Function:	Step-Up/Step-Down
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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PMIC (Power Management Integrated Circuit) are a type of integrated circuits that are used to manage power generated by semiconductor components and systems. Voltage regulators and DC-DC switching regulators are two of their main component categories. The SI9104DW-T1-E3 is a type of DC-DC switching regulator, designed to allow users to quickly and accurately control the output voltage, while also integrating an array of advanced features.The SI9104DW-T1-E3, a buck integrated circuit (also known as switching regulator), is often used to step down a voltage from a higher value to a lower value, in order to supply power to the circuit. This type of device is often found in many applications, such as high-power LED drivers, low-power microcontrollers, and even in industrial automation equipment.

Application Field

The main application field of the SI9104DW-T1-E3 are as follows:

• High-Power LED Driver
• Low-Power Microcontrollers
• Industrial Automation Equipment
• Battery Management Systems
• Power Conditioners
• Automotive Electronics
• Power Supply Systems
• Smart Homes
• Solar Applications
• Telecommunications

The requirements for these applications can be divided into three categories: minimal power dissipation, high efficiency, and fast response. The SI9104DW-T1-E3 has been designed with these three requirements in mind.

Working Principle

The SI9104DW-T1-E3 is a voltage mode, synchronous buck controller, meaning that it reguarly monitors the output voltage and adjusts it in order to maintain a desired level. The voltage regulation is done with the help of two main components: the power switch and the error amplifiers.

The power switch is a field-effect transistor (FET) that connects the input voltage source to the ground, causing the output voltage to decrease. The error amplifiers are a set of opamps that compare the output voltage to the desired value and then adjusts the power switch accordingly.

In addition, the SI9104DW-T1-E3 offers a range of other advanced features that help improve the efficiency and flexibility of the output voltage regulation. Its Power Path control feature allows it to rapidly switch between different input sources, such as battery and AC power. The Soft Start and Current Limit features increase the stability of the output voltage, and the Wide Voltage Supervisor feature can be used to shut down the circuit in case of overvoltage. Additionally, the switching frequency can be adjusted for optimal performance.

The SI9104DW-T1-E3 is a cutting-edge DC-DC switching regulator, offering a wide range of applications, high efficiency, and many advanced features. It is an ideal solution for those who need a reliable and accurate voltage regulator.

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