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MIC4575-3.3BT from MIC

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MIC4575-3.3BT

Manufacturer: MIC, MICREL

200kHz Simple 1A Buck Voltage Regulator

Partnumber Manufacturer Quantity Availability
MIC4575-3.3BT,MIC457533BT MIC, MICREL 4953 In Stock

Description and Introduction

200kHz Simple 1A Buck Voltage Regulator **Introducing the MIC4575-3.3BT: A High-Performance Voltage Regulator for Precision Applications**  

In today’s fast-evolving electronics landscape, reliable power management is critical for ensuring optimal performance in a wide range of applications. The MIC4575-3.3BT, a high-efficiency, low-dropout (LDO) voltage regulator, stands out as a robust solution for designs requiring stable and precise 3.3V power delivery.  

Designed for demanding environments, the MIC4575-3.3BT delivers up to 750mA of continuous output current with an impressively low dropout voltage of just 340mV at full load. This makes it ideal for battery-powered devices, embedded systems, and portable electronics where energy efficiency is paramount. Its low quiescent current further enhances power savings, extending operational life in power-sensitive applications.  

Engineers will appreciate the MIC4575-3.3BT’s fast transient response, which ensures stable voltage regulation even under dynamic load conditions. The device also features built-in protection mechanisms, including thermal shutdown and current limiting, safeguarding both the regulator and downstream components from potential damage due to overheating or excessive current draw.  

Housed in a compact TO-220 package, the MIC4575-3.3BT is designed for easy integration into a variety of circuit designs. Its wide input voltage range of up to 16V adds versatility, making it suitable for industrial, automotive, and consumer electronics applications where input voltage fluctuations are common.  

For engineers seeking a dependable, high-performance voltage regulator, the MIC4575-3.3BT offers an excellent balance of efficiency, reliability, and ease of use. Its combination of low dropout, high current capability, and robust protection features makes it a standout choice for modern power management challenges.  

Whether used in IoT devices, medical equipment, or communication systems, the MIC4575-3.3BT ensures consistent power delivery, helping designers achieve optimal performance in their applications.

Application Scenarios & Design Considerations

200kHz Simple 1A Buck Voltage Regulator

Alternative Part Number

  • LM2575T-3.3 --: Pin-compatible 1A step-down regulator in TO-220 with fixed 3.3V output, widely available and a common drop-in replacement for the MIC4575 family.
  • LM2596T-3.3 --: 3A step-down switching regulator with fixed 3.3V output in TO-220, offers higher current headroom and similar pinout for easy substitution.
  • MC34063A --: Versatile adjustable switching regulator that can be configured for 3.3V output, low cost and broadly stocked as a general-purpose alternative when exact fixed-output parts are unavailable.
  • LT1076CT-3.3 --: 3.3V fixed step-down switching regulator in TO-220 with comparable current capability and pin-compatible layout.

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