UC3715DTR

Logic Voltage - VIL, VIH:	0.8V, 2V
Base Part Number:	UC3715
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	30ns, 25ns
Input Type:	Non-Inverting
Current - Peak Output (Source, Sink):	500mA, 1A
Series:	--
Voltage - Supply:	7 V ~ 20 V
Gate Type:	N-Channel, P-Channel MOSFET
Number of Drivers:	2
Channel Type:	Synchronous
Driven Configuration:	Low-Side
Part Status:	Active
Packaging:	Tape & Reel (TR)

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UC3715DTR: PMIC - Gate Drivers

UC3715DTR applications include a wide variety of gate driver applications ranging from low-power, general-purpose gate drivers to high-current active-clamp power supplies. It is a type of power management IC designed to control the speed and switching of power MOSFETs and IGBTs. The device is designed with multiple voltage-level sensing, control functions, fault protection, and driver logic.

Application Field

As a gate driver, the UC3715DTR is primarily used in LED lighting, household appliances, industrial equipment, automotive electronics, and switching power supplies, among other applications. It is well-suited to replacing high-frequency transformer drivers due to the device’s wide-voltage range and power efficiency.The device offers a wide input range and has been designed to provide superior performance in a wide variety of conditions. It has low power consumption and can operate in high- and low-side configurations with a range of voltage levels. It is also capable of handling high current levels with precise voltage level control.

Working Principle

The UC3715DTR works by allowing the user to control the voltage level of the gate driving power MOSFET or IGBT. Its variable X and Y pins are used to sense the voltage levels of the gate and provide precise control. Furthermore, the device is equipped with a built-in fault protection mechanism to prevent damage to the power device in the event of an overvoltage condition.The UC3715DTR is designed to operate with a logic control input. The input is normally at 0V when there is no fault condition, and it is raised to a minimum of 1.25V to enable the gate. When the gate is enabled, the device raises the gate drive voltage to its ideal level, which is then applied to the gate of the power device.The device offers a range of protection features, including over-voltage protection, short-circuit protection, current-limit protection, and over-temperature protection. It also has adjustable gate drivers and a shutdown output to enable the user to regulate the drive voltage level.

Conclusion

The UC3715DTR is a versatile gate driver device designed to enable precise control of power MOSFETs and IGBTs. It is ideal for applications such as LEDs, household appliances, industrial equipment, automotive electronics, and switching power supplies. The device can handle a wide range of voltage levels and offers a range of protection features. The UC3715DTR enables users to precisely regulate gate drive voltages, prevent overvoltage conditions, and maximize power efficiency.

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