IC Phoenix logo

Home ›  M  › M136 > MIC5209-4.2YS

MIC5209-4.2YS from MICREL

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

MIC5209-4.2YS

Manufacturer: MICREL

500mA Low-Noise LDO Regulator

Partnumber Manufacturer Quantity Availability
MIC5209-4.2YS,MIC520942YS MICREL 12399 In Stock

Description and Introduction

500mA Low-Noise LDO Regulator # **MIC5209-4.2YS: A High-Performance LDO Voltage Regulator for Precision Applications**  

The **MIC5209-4.2YS** is a high-efficiency, low-dropout (LDO) voltage regulator designed to deliver stable and precise power in a wide range of electronic applications. With a fixed output voltage of **4.2V** and a maximum output current of **150mA**, this regulator is ideal for power-sensitive circuits requiring reliable voltage regulation with minimal noise.  

Engineered for performance, the **MIC5209-4.2YS** features an ultra-low dropout voltage, ensuring efficient operation even when the input voltage is only slightly higher than the output. This makes it particularly suitable for battery-powered devices, portable electronics, and embedded systems where power efficiency is critical.  

Key advantages of the **MIC5209-4.2YS** include:  

- **Low Quiescent Current** – Optimized for energy efficiency, reducing power consumption in standby or low-load conditions.  
- **High PSRR (Power Supply Rejection Ratio)** – Effectively minimizes noise and ripple, ensuring clean power delivery to sensitive components.  
- **Thermal and Overcurrent Protection** – Built-in safeguards enhance reliability by preventing damage from excessive heat or current surges.  
- **Compact SOT-23-5 Package** – Space-saving design makes it an excellent choice for compact PCB layouts.  

Whether used in IoT devices, medical instruments, or precision measurement equipment, the **MIC5209-4.2YS** provides dependable voltage regulation with minimal external components. Its robust performance and ease of integration make it a preferred choice for engineers seeking a high-quality LDO solution.  

For applications demanding stable, low-noise power with high efficiency, the **MIC5209-4.2YS** stands out as a reliable and cost-effective solution.

Application Scenarios & Design Considerations

500mA Low-Noise LDO Regulator

Alternative Part Number

  • LP2985AIM5-4.2 --: Low-dropout linear regulator with fixed 4.2V output in SOT-23-5, similar current capability and pin-compatible footprint.
  • AP2112K-4.2TRG1 --: 4.2V fixed LDO regulator in SOT-23-5 with low dropout and comparable load current, suitable drop-in replacement.
  • MCP1703A-4202E/CB --: 4.2V fixed LDO in SOT-23A package with low quiescent current, good alternative when slightly lower current rating is acceptable.
  • MCP1700T-4202E/TT --: Low-power LDO with 4.2V output in SOT-23 package, suitable replacement when very low quiescent current is needed.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips