MC33025DWR2G

Duty Cycle:	45%
Base Part Number:	MC33025
Mounting Type:	Surface Mount
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 105°C (TA)
Control Features:	Frequency Control, Soft Start
Fault Protection:	Current Limiting
Frequency - Switching:	1MHz
Series:	--
Voltage - Supply (Vcc/Vdd):	8.4 V ~ 30 V
Voltage - Start Up:	9.2V
Topology:	Half-Bridge
Voltage - Breakdown:	--
Internal Switch(s):	No
Output Isolation:	Isolated
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to MC33025DWR2G
The MC33025DWR2G is an integrated power management solution from ON Semiconductor, a global leader in the design, manufacture, and sale of power semiconductors. The device is an 8-pin, low-cost, low-profile off-line Pulse-Width Modulation (PWM) frequency-mode control IC in the open TO-220 form factor. It is suitable for a variety of power supply applications, including switch-mode power supplies, adapter power supplies, and consumer electronics.Application Field of MC33025DWR2G
The MC33025DWR2G is a versatile component for consumer and industrial applications. It has a wide operating range of input voltages from 10V to 17V and an output voltage of up to 16V, which makes it suitable for a variety of off-line applications. For instance, it can be used in high efficiency non-isolated adapter power supplies, flyback converters, boost converters, and buck converters. It can also be used in consumer products like mobile phones, laptops, LCD monitors, and LED lighting.Working Principle of MC33025DWR2G
The MC33025DWR2G\'s operating principle is based on its open loop current mode control architecture, which allows for fast and accurate control of output power. The integrated differential amplifier provides excellent line and load regulation, while internal protections against over-voltage, over-current, and short-circuit are integrated for safe operation.The IC includes an oscillator that provides the switching frequency, which can be adjusted via a resistor. This allows the device to be used in applications that require different frequency levels. The IC also contains a voltage reference, which must be set externally to set the desired output voltage level.Conclusion
The MC33025DWR2G is a versatile low-cost low-profile off-line PWM frequency-mode control IC for offline applications. It offers a wide operating voltage range, high efficiency, and reliable protection features. This device can be used in a variety of power supplies, such as non-isolated adapters and consumer products. Its powerful open loop current mode control architecture offers fast and accurate control of output power.

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