Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Diode Configuration:	1 Pair Common Anode
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	40V
Current - Average Rectified (Io) (per Diode):	30mA (DC)
Voltage - Forward (Vf) (Max) @ If:	370mV @ 1mA
Speed:	Small Signal =
Current - Reverse Leakage @ Vr:	1µA @ 10V
Operating Temperature - Junction:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SOT-323
Base Part Number:	SDMG0340LA

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Diodes - Rectifiers - Arrays: SDMG0340LA-7 Application Field and Working Principle

The SDMG0340LA-7 is a high-end semiconductor component belonging to the diodes-rectifiers-arrays family. This component combines several devices on a single chip, and is used as rectifiers in several types of applications such as switching power supplies, power inverters and power converters. The component is particularly robust and offers excellent protection against transients and other voltage or current surges, helping to improve the overall efficiency of the device.

Application Field of SDMG0340LA-7

The SDMG0340LA-7 component is typically used in applications when there is a requirement for rectified current for power conversion, switching, level shifting and other low noise conversion processes. High performance power supplies, phase-shifted full bridge converters, user-defined PWM applications, soft-start circuits and high-repetition rate switching are among the most common utilization scenarios of this component. Additionally, SDMG0340LA-7 can also be used in several automotive applications such as motor control, battery charging and motor starting.

Working Principle of SDMG0340LA-7

The SDMG0340LA-7 comprises of several components and devices such as Schottky diodes, CMU diodes, MOSFETs and high power PN junctions. All these devices come together to form a bridge rectification circuit. This bridge rectification circuit requires two autonomous sources, namely the supply voltage VD and the return voltage Vreturn. The circuit must also be provided with a minimum level of dielectric stress.This component has two parts that work in tandem. The first part is the Schottky diode. This diode has a symbolic structure known as ‘double barrier’, and it helps keep the current tight while minimizing the mark-to-space ratio. This type of diode also helps to prune the duration of transients and improve the overall efficiency of the bridge rectification circuit.The second part is the MOSFET which helps to amplify the power of the circuit, allowing it to easily switch between different voltages and currents. The MOSFET also helps to improve the protection against current degradation due to the presence of inductive kick-back and supply capacitance.

Conclusion

The SDMG0340LA-7 represents a high-end solution for rectification and switching needs, primarily due to its robust design, excellent protection against transients and current degradation, as well as its ability to switch between different voltages/currents without needing a driver. As such, the SDMG0340LA-7 is a great choice for applications that require high performance power supplies, phase-shifted full bridge converters, user-defined PWM applications, soft-start circuits and high-repetition rate switching.

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