LT1160IS#TRPBF

Current - Peak Output (Source, Sink):	1.5A, 1.5A
Base Part Number:	LT1160
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	130ns, 60ns
High Side Voltage - Max (Bootstrap):	60V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	0.8V, 2V
Voltage - Supply:	10 V ~ 15 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Independent
Driven Configuration:	Half-Bridge
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

LT1160IS#TRPBF is a monolithic high frequency gate driver integrated circuit (IC). The device serves as a versatile interface between low voltage logic and power MOSFETs or IGBTs that require high voltages and high current. The device comprises of two isolated gate driver with complementary output stages that provide a high driving capability with short duration turn-off times and dead time.

Applications

LT1160IS#TRPBF IC is suitable for a variety of applications, including high efficiency power converters, DC/DC converters industrial control, automotive, medical, and consumer electronics applications. In high efficiency power converters, LT1160IS#TRPBF can be used to drive synchronous rectifiers in boost and flyback inverters the boost, flyback and b uck topologies. Due to the fast edges and built-in dead time, LT1160IS#TRPBF supports a variety of emerging synchronous rectifier topologies.In DC/DC converters, the device can be used to drive MOSFETs/IGBTs in buck and buck-boost converters to improve regulation and efficiency. In other industrial control applications, the device can drive electronic loads or AC induction motors. The device is also used in automotive and medical applications, where high output current and short turn-off times are needed.

Working Principle

LT1160IS#TRPBF is a monolithic high frequency gate driver integrated circuit (IC). The device has two clocked complementary output channels that allow it to control two power devices in a half-bridge topology. The main switch includes a power MOSFET connected to the gate driver, and the synchronous rectifier includes an IGBT or power MOSFET connected to the second gate driver. The input voltage is given to both channels by the driver and can be either positive or negative supply voltage. Each output driver has two outputs, an active-high output, and an active-low output, allowing either traditional on/off applications or pulse width-modulation (PWM) applications. The device has built-in logic that allows the two output channels to drive in opposite directions simultaneously with guaranteed transition times. Each channel features current limiting and short circuits protection, as well as programmable dead time. This is achieved by using a high voltage parasitic diode to store the transition energy and dissipate it as heat. The dead time (the time during which both output channels are off) can be adjusted with an external resistor to allow for specific transition times.

Conclusion

LT1160IS#TRPBF is an integrated circuit (IC) that serves as a versatile interface between low voltage logic and power MOSFETs or IGBTs that require high voltages and high current. It is suitable for a variety of applications, including high efficiency power converters, DC/DC converters, industrial control, automotive, medical, and consumer electronics applications. The device comprises of two isolated gate driver with complementary output stages that provide a high driving capability with short duration turn-off times and dead time. It features current limiting and short circuits protection, as well as programmable dead time.

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