IC Phoenix logo

Home ›  M  › M155 > MP1521EK

MP1521EK from MPS

Fast Delivery, Competitive Price @IC-phoenix

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

MP1521EK

Manufacturer: MPS

High Efficiency White LED Driver

Partnumber Manufacturer Quantity Availability
MP1521EK MPS 10300 In Stock

Description and Introduction

High Efficiency White LED Driver The **MP1521EK** is a versatile and efficient step-down (buck) DC-DC converter designed for a wide range of power supply applications. This compact and high-performance switching regulator integrates a power MOSFET, oscillator, and control circuitry into a single package, making it an ideal solution for space-constrained designs.  

With an input voltage range of **4.5V to 28V**, the MP1521EK delivers a regulated output voltage as low as **0.8V**, supporting load currents up to **1.5A**. Its high switching frequency of **1.2MHz** allows for the use of smaller external components, reducing overall board footprint while maintaining excellent efficiency.  

Key features include **soft-start control**, which minimizes inrush current during startup, and **cycle-by-cycle current limiting** for robust overcurrent protection. Additionally, the device offers **thermal shutdown** to safeguard against excessive temperature conditions, ensuring reliable operation in demanding environments.  

The MP1521EK is well-suited for applications such as **distributed power systems, industrial controls, networking equipment, and portable electronics**. Its ability to maintain stable performance across varying load conditions makes it a dependable choice for engineers seeking a compact yet powerful DC-DC conversion solution.  

Available in a **SOT23-6** package, the MP1521EK combines ease of integration with high efficiency, making it a preferred option for modern power supply designs. Whether used in battery-powered devices or embedded systems, this regulator delivers consistent performance with minimal external component requirements.

Application Scenarios & Design Considerations

High Efficiency White LED Driver

Alternative Part Number

  • TPS61040DBVR --: Boost converter in SOT-23-5 with similar input voltage range and switching frequency, widely available and pin-compatible in function.
  • LT1932ES6 --: Constant-current boost LED driver in SOT-23-6 offering comparable performance for similar low-voltage boost applications.
  • AP3012KTR-G1 --: Step-up converter in SOT-23-5 with similar current capability and voltage ratings, suitable as a functional replacement.

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