MC33063AVDG

Voltage - Output (Min/Fixed):	1.25V
Base Part Number:	MC33063A
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	33kHz
Current - Output:	1.5A (Switch)
Voltage - Output (Max):	40V (Switch)
Series:	--
Voltage - Input (Max):	40V
Voltage - Input (Min):	3V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck, Boost
Output Configuration:	Positive or Negative
Function:	Step-Up, Step-Down
Part Status:	Active
Packaging:	Tube

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The MC33063AVDG is a type of DC-DC switching voltage controller IC, specifically classified under PMIC—Voltage Regulators—DC DC Switching Regulators. It is used to answer the demands of many medium- to low-power applications which require a cost effective and reliable device.

The MC33063AVDG is a switching voltage regulator which is used for flyback and boost converters. It boasts of a wide input voltage range of 4V to 40V and supports either an external PWM or a pulse-width modulation pulse width modulation (PWM) input. Moreover, its output voltage can be regulated from 5V to 36V. It has an overall power dissipation rating of 750W,which makes it a great choice for the majority of small and medium power applications.

Along with its wide power range and voltage range, the MC33063AVDG is also capable of providing high-efficiency and superior power regulation. It features external current-sense control and has a maximum duty cycle of 90%. The device has an ON/OFF gate drive to enable Pause and Sleep modes, which help to reduce power consumption when the chip is not in active use and also provides a soft-start capability.

The MC33063AVDG is mainly used as a power regulator for low-power applications and can be found in a variety of products such as industrial equipment, 3D printers, drones and other embedded systems. It is also widely used as a step-down voltage regulator to convert a higher voltage value to a lower one,in order to protect downstream devices and equipment from any potentially harmful electrical spikes or surges.

The MC33063AVDG works on the principle of pulse-width modulation (PWM). This device uses two mechanical switches, a transistor and a diode, which are interconnected to form a flying-capacitor based DC-DC converter topology. Its main purpose is to convert a DC input voltage into several right narrow pulses of varying widths. The transistor, or switch, is used to control the width of this pulse, while the diode is used to convert the pulse back into a DC voltage of desired levels.

The MC33063AVDG is a highly efficient and reliable switching voltage regulator designed to offer low power dissipation and wide input voltage range for a relatively low cost. This device has a wide range of applications and is suitable for use in a variety of power regulation systems due to its high efficiency, low-cost production and robust design. Its usage can be summarized as follows: it is used to convert a higher voltage value to a lower one; it is used to regulate and stabilize the output voltage; and it provides Pause and Sleep modes to lower power consumption when necessary.

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