UCC3751N

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UCC3751N is an integrated circuit commonly used in voltage based digital applications such as mobile phones or other portable devices. It is a low-power dual driver intended to drive two separate lines within a system. The UCC3751N contains two identical drivers that function independently, each with its own control and output functions.

UCC3751N is a two-line driver that takes two voltages, one low and one high, and appropriately drives the two lines with secure electrical isolation. Each line of the two-line system is driven with a pair of MOSFETs, and the upper FET of one line is connected in parallel to the lower FET of the other line so that each line is driven in opposite directions. The circuit contains an inverting converter and a non-inverting converter, providing bi-directional drive capability from a single control line.

UCC3751N is a non-complementary power MOSFET driver. It is designed for application where the load requires an on/off control of both positive and negative voltages. This device allows the driving of two lines independently with the same control. It has very low R_ds(on). It incorporates an unique feature of fast rise and fall times with low power consumption and low gate charge.

Applications of UCC3751NICs include but are not limited to power switching, interface applications, and telecommunications equipment.The UCC3751N ICs can be found in various types of digital communication systems such as analog to digital converters, data frequency divider circuits, multiplier chips, and so on. It is commonly used in such telecommunications equipment as mobile phones, cordless telephone systems, and net access equipment.

UCC3751N\'s working principle lies in a single-ended half-bridge configuration.The two power MOSFETs, one P-channel and one N-channel, are operating in a single-ended half-bridge configuration.When a logic control signal is applied to the driver, the corresponding pull-up or pull-down element is activated.The high and low rails are supplied to the power MOSFET to enable the power drive of the load. The pull-up or pull-down elements are preventing the latch-up of the circuit by avoiding a large current path to ground.The UCC 3751N can support rail-to-rail switching with a wide range of supply voltage, typically from 2.4V to 15V.

In summary, the UCC3751N is an integrated circuit that can help two separate lines being driven within a system. It consists of two dual-line drivers, an inverting converter and a non-inverting converter. It is widely used in power switching, interface applications, and telecommunications equipment, providing reliable bi-directional control functionality with rail-to-rail switching capability. With its fast rise and fall times, low power consumption and low gate charge, UCC3751N can help improve the performance and capability of interface-telecom systems.

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