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MIC39151-1.8WU from MICREL

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MIC39151-1.8WU

Manufacturer: MICREL, MIC

1.5A, Low-Voltage Low-Dropout Regulator

Partnumber Manufacturer Quantity Availability
MIC39151-1.8WU,MIC3915118WU MICREL, MIC 7510 In Stock

Description and Introduction

1.5A, Low-Voltage Low-Dropout Regulator **Introducing the MIC39151-1.8WU: A High-Performance LDO Voltage Regulator**  

In today’s demanding electronic applications, reliable power management is critical. The MIC39151-1.8WU from Microchip Technology is a high-performance, low-dropout (LDO) voltage regulator designed to deliver stable, clean power with exceptional efficiency.  

Engineered for precision, the MIC39151-1.8WU provides a fixed 1.8V output with an ultra-low dropout voltage of just 200mV at 1.5A, making it ideal for power-sensitive designs. Its advanced architecture ensures excellent line and load regulation, minimizing output fluctuations even under dynamic conditions.  

One of the standout features of this LDO is its low quiescent current, which enhances power efficiency in battery-operated devices. With a typical quiescent current of only 1.1mA, the regulator is well-suited for portable electronics, IoT devices, and embedded systems where extended battery life is essential.  

The MIC39151-1.8WU also incorporates robust protection mechanisms, including thermal shutdown and current limiting, safeguarding both the regulator and downstream components from potential damage. Its wide input voltage range of 2.3V to 5.5V further enhances versatility, supporting a variety of applications from industrial controls to consumer electronics.  

Housed in a compact, thermally efficient 5-pin SOT-23 package, the MIC39151-1.8WU is designed for space-constrained PCB layouts without compromising performance. Its fast transient response ensures stability even with rapidly changing loads, making it a dependable choice for high-speed digital circuits.  

For engineers seeking a reliable, high-efficiency LDO regulator, the MIC39151-1.8WU delivers precision, durability, and performance in a compact form factor. Whether for next-generation wearables, medical devices, or automotive systems, this regulator sets a benchmark for power management excellence.

Application Scenarios & Design Considerations

1.5A, Low-Voltage Low-Dropout Regulator

Alternative Part Number

  • LM1117MPX-1.8 --: Pin-compatible 1.8V low-dropout linear regulator in SOT-223 with similar current capability and widely available as a direct replacement.
  • AMS1117-1.8 --: Common 1.8V LDO regulator in SOT-223 offering comparable dropout and load current, suitable for cost-sensitive drop-in substitution.
  • LT1963AEQ-1.8 --: Low-noise 1.8V LDO regulator with similar electrical performance and thermal characteristics, suitable where higher performance is required.
  • LP38691SD-1.8 --: 1.8V low-dropout linear regulator in a similar package with comparable current capability, widely available and pin-compatible in function.
  • TPS7A4518DCQ --: 1.8V high-PSRR LDO with comparable output current and thermal performance, good alternative when low noise and stability are required.

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