LM5106MMX/NOPB

Current - Peak Output (Source, Sink):	1.2A, 1.8A
Base Part Number:	LM5106
Supplier Device Package:	10-VSSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	15ns, 10ns
High Side Voltage - Max (Bootstrap):	118V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	0.8V, 2.2V
Voltage - Supply:	8 V ~ 14 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Synchronous
Driven Configuration:	Half-Bridge
Part Status:	Active
Packaging:	Tape & Reel (TR)

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A Part of HistoryThe LM5106MMX/NOPB is a part of the Linear Technology family of integrated circuits, which was established in 1981 by Robert J. Swanson. This family includes products for a wide range of applications, such as analog, mixed-signal, and digital power systems, among others.Description and OverviewThe LM5106MMX/NOPB is a high-performance gate driver for n-channel power MOSFETs and is categorized as a Power Management and Integrated Circuit (PMIC) – Gate Driver. It is designed to provide a rugged, high-current drive with a fast rise, fall and propagation delay times. The device is capable of both single and half-bridge designs and can provide up to 4 A peak source and up to 7 A peak sinking current.The LM5106MMX/NOPB package is a 0.50-mHVQFN, 20-pin package and is designed to achieve an optimal 0.1R package. It is lead (Pb) free, hermetically sealed and contains an AutoAdaptive technology for autoscaling of gate-threshold and switching frequency which results in a reduction of power dissipation.The device offers a variety of features for monitoring gate compliance, such as over-temperature protection, under-voltage lockout, and feedback current cap. It also includes a unique EN pin, which when pulled low, lowers the ripple current and increases the start-up time.Working PrincipleThe LM5106MMX/NOPB utilizes high-current source and sink capability by allowing direct connection to the MOSFET to simplify the gate drive circuit. The high-current gate driver operates at lower voltage and delivers a more reliable drive without sacrificing performance. Its AutoAdaptive features enable the device to autoscale gate-threshold voltages and switching frequency to reduce power dissipation.Also, the device features an integrated charge and soft-start control circuit which gradually reduces inrush current, minimizes in-rush stress and consequently reduces stress risk during device start-up. The charge pump works in unison with the soft-start circuit, providing an adjustable ramp-up time for more reliable nearly-zero-voltage switching.Application FieldThe LM5106MMX/NOPB is suitable for high-efficiency, high-temperature drive requirements in automotive, industrial and aerospace applications. It is particularly useful in high-power applications such as Class-D and Class-AB audio amplifiers, two-axis motor control and high-voltage/Power Automotive applications.ConclusionThe LM5106MMX/NOPB is a high-performance gate driver for n-channel power MOSFETs and belongs to the group of Power Management and Integrated Circuit (PMIC) – Gate Drivers. It provides high-current source and sink capability, AutoAdaptive technology for autoscaling of gate-threshold and switching frequency, as well as integrated charge and soft-start control circuit for more efficient device start-up. The device is suitable for automotive, industrial and aerospace applications, especially in high-power applications, such as Class-D and Class-AB audio amplifiers, two-axis motor control and high-voltage/Power Automotive applications.

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