LT1161ISW#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Driven Configuration:	High-Side
Channel Type:	Independent
Number of Drivers:	4
Gate Type:	N-Channel MOSFET
Voltage - Supply:	8 V ~ 48 V
Logic Voltage - VIL, VIH:	0.8V, 2V
Current - Peak Output (Source, Sink):	--
Input Type:	Non-Inverting
Rise / Fall Time (Typ):	--
Operating Temperature:	-40°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SOIC
Base Part Number:	LT1161

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LT1161ISW#TRPBF is a type of gate driver manufactured by Linear Technology currently used in a variety of Power Management Integrated Circuit (PMIC) applications. This driver is configured with an input voltage range of 3V to 15V and is equipped with an integrated high-side and low-side MOSFETs and floating gate FETs that can operate up to 10A output current.The primary role of a gate driver is to increase a power switch’s gate voltage above the source or drain potential, providing sufficient power for a desired switching operation. This allows for better control of the switched device, including higher switching speeds, faster rise and fall times, and improved overall efficiency.One of the greatest advantages of the LT1161ISW#TRPBF is its dual-drive capability. This allows for increased power density and high operating temperatures. Additionally, this driver also provides a shared current of 4mA which can be used to reduce power consumption while maintaining high-side and low-side FET turn-on efficiency. It can also be programmed via the local bus to suit any specific application.The LT1161ISW#TRPBF is used in a variety of PMIC applications, including DC-DC converters, power switches, motor drivers, and fan controllers. These drivers are also useful in LED lighting applications and in high-power switching systems, such as power systems for servers, data centers, and industrial applications.The working principle of the LT1161ISW#TRPBF is relatively simple. At each switching cycle, the gate needs to be charged and discharged to induce a turn-on or turn-off of the power MOSFETs. To do so, the driver supplies a voltage at the gate voltage pin which is slightly above the source or drain potential to initially energize the MOSFETs. Following this, the gate drive voltage is increased by current from the shunt resistor and from the programmable current sources.This driver also provides additional features such as pre-charge, low side FET clamp, under-voltage lockout, and over-voltage protection. These features help reduce the risk of damaging the system due to over-voltage, under-voltage, or current surge conditions.In conclusion, the LT1161ISW#TRPBF is a robust and reliable gate driver with a wide range of features and functions that make it suitable for a variety of PMIC applications. It is highly efficient, yet affordable, and provides an effective means of managing power systems within an application.

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