MC34166TH

Voltage - Output (Min/Fixed):	5.05V
Base Part Number:	MC34166
Supplier Device Package:	TO-220-5 Horizontal
Package / Case:	TO-220-5 Formed Leads
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 70°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	72kHz
Current - Output:	3.3A (Switch)
Voltage - Output (Max):	40V (Switch)
Series:	--
Voltage - Input (Max):	40V
Voltage - Input (Min):	7.5V
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Part Status:	Obsolete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

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

MC34166TH is an integrated power solution including precision voltage regulation for digital ICs. It is a highly integrated, cost-effective power solution for digital ICs in applications such as consumer electronics, automotive and industrial control. As a DC-DC switching regulator, this component has a wide input voltage range of 2.7V to 25V and a highly efficient step-down topology. It is designed to deliver up to 2A at 5V or 3.3V, while consuming less than 1W of power. It also offers a wide variety of protection features, including over-voltage, overload and over-temperature protections.The MC34166TH is designed to provide an efficient, low-cost solution for powering applications that require a constant 5V or 3.3V output requirement. The MC34166TH is an internally compensated DC-DC converter with synchronous rectification and consists of an integrated power MOSFET, transformer and other components. It features an internal voltage feedback loop for accurate regulation. The MC34166TH offers a wide switching frequency range of 62.5kHz to 500kHz. This allows for a large design flexibility for the application to optimize for cost, performance and system noise.The MC34166TH utilizes a synchronous flyback topology to achieve efficient step-down conversion. Its operating principle is fairly simple and includes three distinct stages: input sensing, high-side switch control and output sensing. In the input sensing stage, the device senses the input voltage and decides the appropriate voltage level and slew rate to be applied on the high-side switch. The high-side switch is then enabled to switch ON and off in order to start the rectification process. Subsequently, during the output sensing stage, the voltage is regulated by comparator so that it reaches the desired value.The MC34166TH is capable of providing high power conversion efficiency due to its low input current, low output ripple, low quiescent current and low thermal dissipation. Additionally, it features programmable peak current limiter, over-voltage protection, output current limit and thermal shutdown. Thus, it is well suited for industries with stringent requirement like automotive, medical and industrial power systems. The MC34166TH also has a wide input voltage range suitable for the application where long cables are used.In conclusion, MC34166TH is a highly integrated and cost-effective power solution for digital ICs that require a constant 5V or 3.3V output requirement. It supports wide input voltage range of 2.7V to 25V and its wide switching frequency range of 62.5kHz to 500kHz makes it suitable for a large design flexibility to optimize for cost and system noise. In addition, it has various protection features including over-voltage, overload and over-temperature protection.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description