V72C8T100B2

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DC to DC converters, or DC-DC switches, are a type of electronic device used to convert one form of direct current (DC) input into another. V72C8T100B2 is a popular type of DC-DC switch used in many applications. This article will discuss the application field and working principle of the V72C8T100B2.

Application Field of V72C8T100B2

V72C8T100B2 is a DC-DC switch with a wide range of uses. It can be used in a variety of applications, such as:

• Power supplies for LED lighting systems
• DC motor speed controllers
• Regulated power supplies
• Battery chargers
• Low-power radio frequency (RF) applications
• High-precision voltage regulators
• Replacement of linear power supplies for energy-saving purposes

The V72C8T100B2 also has a wide input voltage range and can operate at up to 100V.

Working Principle of V72C8T100B2

The V72C8T100B2 is an on/off-type DC-DC converter. It is composed of an integrated control circuit, an inductor, two capacitors, one power MOSFET transistor, four resistors, and a diode. The working principle of the V72C8T100B2 can be divided into two stages: the power switch stage and the external control stage.

The Power Switch Stage

In the power switch stage, the V72C8T100B2 uses a power MOSFET transistor to alternately switch the input voltage between the inductor and the output capacitor. During the on-state, power flows from the input to the inductor, storing energy and increasing the output voltage. During the off-state, the stored energy is transferred to the output capacitor, which then supplies energy to the load.

The External Control Stage

In the external control stage, the V72C8T100B2 uses a series of two resistors and a Zener diode connected to the gate of the power MOSFET. This can be set to control the switching frequency of the power MOSFET, and thus the output voltage.

Conclusion

In conclusion, the V72C8T100B2 is a versatile DC-DC switch with a wide range of uses. It works by alternately switching the input voltage between the inductor and the output capacitor, which is controlled by an external control circuit. This makes the V72C8T100B2 ideal for applications such as LED lighting systems, DC motor speed controllers, and low power RF applications.

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