LM5110-3SD/NOPB

Logic Voltage - VIL, VIH:	0.8V, 2.2V
Base Part Number:	LM5110
Supplier Device Package:	10-WSON (4x4)
Package / Case:	10-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	14ns, 12ns
Input Type:	Inverting, Non-Inverting
Current - Peak Output (Source, Sink):	3A, 5A
Series:	--
Voltage - Supply:	3.5 V ~ 14 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Independent
Driven Configuration:	Low-Side
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LM5110-3SD/NOPB is a gate driver that is designed to simplify circuit designs by simplifying gate drive functions. In particular, this gate driver from Texas Instruments offers a simple and efficient solution for switching medium- and large-power MOSFET, insulated gate bipolar transistors (IGBT), and source driver type gate drivers (SDGs). This driver is designed to provide all important safety protection functions.

Application Field

The LM5110-3SD/NOPB is suitable for applications where high reliability and fault protection are required, such as motor drives, solar power inversion, led lighting, and power conversion. The driver provides high levels of performance in terms of robustness, reliability, and efficiency. It is built to operate in harsh environments, and the driver provides very low on-state resistance, which allows it to easily support higher current applications.The driver offers two stages of protection, including over-voltage protection, under-voltage protection, over-temperature protection, and soft start. This makes it suitable for high-inductive load applications, as it can reliably protect against voltage spikes and other electrical disturbances. The driver is also designed to provide an active current limit, which will shut down the outputs when excessive current is detected.

Working Principle

The LM5110-3SD/NOPB works by providing output voltage directly to the gate of the switch, which then controls the amount of current that flows through it. The driver also contains an internal oscillator, which can be configured to provide a variable output voltage, or direct voltage. The driver then controls the output voltage based on feedback from an analog and digital feedback loop. This loop ensures that the output voltage is maintained at a specific and constant level. In addition, the driver also contains various fault protection features, such as over-voltage, under-voltage, over-temperature, and current limit protection.

Conclusion

The LM5110-3SD/NOPB is an effective and reliable gate driver designed by Texas Instruments. It is designed to simplify gate drive functions in applications with medium- and large-power MOSFET and IGBT requirements. The driver provides two stages of fault protection, making it suitable for high-inductive load applications. Furthermore, the driver provides an internal oscillator, which allows for a variable output voltage, or direct voltage. The driver also includes an analog and digital feedback loop to ensure that the output voltage is maintained at a specific and constant level. All these features make this gate driver an efficient and reliable solution for these applications.

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