MC34063EBD

Voltage - Output (Min/Fixed):	1.25V
Base Part Number:	MC34063E
Supplier Device Package:	8-SO
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:	100kHz
Current - Output:	1.5A (Switch)
Voltage - Output (Max):	38V
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Part Status:	Obsolete
Packaging:	Tube

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MC34063EBD Application Field and Working Principle

The MC34063EBD is a voltage regulator and switching regulator that belongs to the family of DC-DC switching regulators. It is used to regulate the voltage or current in a DC circuit by converting the power source input to the output terminals. Specifically, it is used to regulate the output voltage or current of a given DC source. It has a wide range of applications and is typically used in small electronic devices such as laptops, mobile phones and calculators.The MC34063EBD is often considered the most popular and cost effective DC-DC switching regulator. It is manufactured by Texas Instruments, a leader in the semiconductor industry. The device integrates most of the necessary components for a DC-DC regulator, including a current sense resistor, an output transistor and a 5V reference. It also features an adjustable frequency control and an adjustable voltage feedback for improved stability and regulation. It is designed to operate from a wide input voltage range and can provide an output power up to 1.5 watts.The MC34063EBD is a linear regulator, which means that it operates on the principle of linear voltage control. This type of voltage regulator works by varying the duty cycle on an input signal, in order to maintain the desired output voltage or current level. For example, if the output voltage is lower than desired, the duty cycle will be increased in order to bring the voltage back up.The MC34063EBD also features a hysteretic control mode. This mode has the ability to switch between fast and controlled modes depending on the input or output conditions. This feature is useful for low noise applications, as the device will be able to decrease the switching frequency when the input or output is lower, in order to reduce the amount of noise generated by the device.The device is also capable of operating in pulse width modulation mode, which is usually used for applications requiring higher power. This mode operates by charging and discharging the output capacitor at its maximum permitted rate according to the user-defined duty cycle. This mode of operation produces faster response times, higher efficiency and extended power output.Overall, the MC34063EBD is considered a very efficient and reliable DC-DC switching regulator. It is an ideal choice for a wide range of applications, from small consumer electronics to larger industrial applications. It is highly flexible, thanks to its two operating modes and adjustable parameters, allowing for quick and easy customization for specific applications.

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