UCC39412D

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	UCC39412
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	--
Current - Output:	60mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	3.2V
Voltage - Input (Min):	1.1V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Obsolete
Packaging:	Tube

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UCC39412D is a 15V dual low-side gate driver, which is equipped with switching auto-restoration and three-state (ON, Off and High Impedance state). It integrates two independent 900mA and 500mA gate drivers for two-transistor synchronous buck and load switches. This device has a tiny 8 pin UFP footprint and is designed for a variety of voltage control topologies, such as buck, boost and BuckBoost. UCC39412D can reduce the board space and switching noise, which is helpful in industrial, automotive, computing and communication applications. UCC39412D is a type of DC-DC switching regulator. A DC-DC switching regulator operates by rapidly turning on and off a power switch in order to convert a fixed input voltage to a regulated output at a desired voltage. The switching regulator is also known as a switcher, DC/DC converter, or buck converter. The most basic topology is a step-down converter, called a buck converter. It is able to reduce the input voltage to a lower, more suitable value for the device it is powering. DC-DC switching regulators have many advantages. They are more efficient than linear regulators in that they have less power losses. They are smaller in size because they do not require bulky power transformers. And they are more versatile than linear regulators because they are able to provide different output voltages from multiple input voltages, as well as provide protection from input voltage transients. UCC39412D has two main components, a power switch and a control circuit. The power switch is usually a power Mosfet or a BJT, and the control circuit typically contains a comparator, an oscillator, and gate drivers. First, the power switch is turned off by the comparator. Then, the oscillator creates a clock signal to turn the power switch on and off at the desired frequency. The gate drivers then amplify the small control signal from the comparator and drive the high current gate of the power switch. The UCC39412D has a wide operating temperature range of -40°C to 125°C, which makes it an ideal choice for automotive, industrial, and other harsh environments. It also has built-in ESD protection and supports PWM signals with frequency up to 4kHz. The device includes two independent outputs with a maximum continuous output current of 900mA(low side) and 500mA (high side). It is also equipped with three-state control, allowing the user to disable the output if no load is present. UCC39412D provides automotive and industrial applications with optimized power solutions. It saves board space, improves efficiency, reduces switching noise, and provides overvoltage protection from input transients. Thanks to its robustness, wide operating temperature range and flexibility, UCC39412D is ideal for applications such as motor control, power management, LED lighting, and a variety of industrial, communication and automotive applications.

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