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MIC5239BM from MICREL

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MIC5239BM

Manufacturer: MICREL

Low Quiescent Current 500mA UCap LDO Regulator

Partnumber Manufacturer Quantity Availability
MIC5239BM MICREL 387 In Stock

Description and Introduction

Low Quiescent Current 500mA UCap LDO Regulator **Introducing the MIC5239BM: A High-Performance LDO Voltage Regulator**  

In today’s demanding electronic applications, reliable power management is essential. The MIC5239BM from Microchip Technology stands out as a high-performance, low-dropout (LDO) voltage regulator designed to deliver stable power with exceptional efficiency.  

Engineered for precision, the MIC5239BM provides a fixed output voltage with an ultra-low dropout of just 300mV at full load, ensuring optimal performance even when input voltages are close to the output level. With a low quiescent current of 75µA, it minimizes power consumption, making it an ideal choice for battery-powered devices and energy-sensitive applications.  

The regulator supports a wide input voltage range of 2.5V to 16V, accommodating various power sources while delivering a stable output voltage of 3.3V. Its high PSRR (Power Supply Rejection Ratio) ensures minimal noise interference, making it suitable for sensitive analog and digital circuits. Additionally, built-in protection features such as thermal shutdown and current limiting enhance system reliability under adverse conditions.  

Housed in a compact 8-pin SOIC package, the MIC5239BM offers space-saving advantages without compromising performance. Its robust design and low-noise operation make it well-suited for applications including portable electronics, embedded systems, and industrial controls.  

For engineers seeking a dependable, high-efficiency voltage regulator, the MIC5239BM delivers the precision and reliability required for modern electronic designs. Its combination of low dropout, low quiescent current, and strong noise immunity ensures seamless power delivery in even the most demanding environments.  

Upgrade your power management solution with the MIC5239BM—where performance meets efficiency.

Application Scenarios & Design Considerations

Low Quiescent Current 500mA UCap LDO Regulator

Alternative Part Number

  • LP2951CM --: Low-dropout linear regulator with similar adjustable output and current capability, widely available and pin-compatible in many designs.
  • LM2937-5.0 --: Fixed 5V LDO regulator with comparable dropout and load current, suitable drop-in replacement for many MIC5239 applications.
  • MAX1793EUE --: Low-noise LDO regulator offering similar voltage/current ratings and stability, good alternative when Micrel parts are unavailable.
  • LM2937ET-5.0 --: 5V fixed low-dropout regulator in TO-220 with comparable current capability and input voltage range, suitable when the fixed 5V version of the MIC5239 is used.
  • LT1763CS8 --: Low-noise 500mA LDO in SO-8 with similar electrical performance and pinout style, a strong upgrade alternative from a reputable linear regulator vendor.

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