IC Phoenix logo

Home ›  P  › P28 > PQ1R28

PQ1R28 from

Fast Delivery, Competitive Price @IC-phoenix

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

PQ1R28

Manufacturer: SHARP

Low Output Current, Compact Surface Mount Type Low Power-Loss Voltage Regulators

Partnumber Manufacturer Quantity Availability
PQ1R28 SHARP 49761 In Stock

Description and Introduction

Low Output Current, Compact Surface Mount Type Low Power-Loss Voltage Regulators **Introduction to the PQ1R28 Electronic Component**  

The PQ1R28 is a compact, high-performance voltage regulator designed for efficient power management in modern electronic circuits. As part of the PQ series, this component is widely used in applications requiring stable voltage regulation, such as consumer electronics, automotive systems, and industrial equipment.  

Featuring a low dropout voltage (LDO) design, the PQ1R28 ensures reliable operation even with minimal input-output differentials, making it ideal for battery-powered devices. Its built-in protection mechanisms, including overcurrent and thermal shutdown, enhance system durability by preventing damage from electrical faults or excessive heat.  

With a typical output voltage of 1.28V, the PQ1R28 supports precise voltage control, critical for sensitive components like microcontrollers and memory modules. Its small form factor and surface-mount compatibility allow for seamless integration into space-constrained PCB designs.  

Engineers favor the PQ1R28 for its low quiescent current and high ripple rejection, which contribute to energy efficiency and noise reduction in power-sensitive applications. Whether used in portable gadgets or embedded systems, this regulator delivers consistent performance under varying load conditions.  

In summary, the PQ1R28 is a versatile and dependable solution for modern power regulation needs, combining efficiency, protection, and compact design.

Application Scenarios & Design Considerations

Low Output Current, Compact Surface Mount Type Low Power-Loss Voltage Regulators

Alternative Part Number

  • NJM2845DL1-33 --: Low-dropout linear regulator in a similar small package, widely available and a common substitute for Sharp PQ series LDOs.
  • AP2112K-3.3 --: Popular 3.3V LDO regulator with comparable current capability and pinout, easy drop-in replacement for many PQ1R28 applications.
  • LP2985-33 --: Well-established low-noise LDO regulator with similar voltage and current ratings, suitable alternative when PQ1R28 is unavailable.
  • LM3671MF-1.8 --: Pin-compatible step-down DC-DC converter in SOT-23-5 with similar input range and 1.8V fixed output, widely available and a common drop-in replacement for Sharp PQ1R series regulators.
  • AP3418KTR-G1 --: 1.5A synchronous buck converter in SOT-23-5 with comparable input voltage range and efficiency, suitable as a functional substitute for the PQ1R28 in low-power rails.
  • MP2145GD-Z --: High-efficiency 1.2A step-down converter in a small package with similar electrical ratings, offering a robust alternative when the original Sharp part is unavailable.

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