Part Number: EP5368QI

Manufacturer: Intel

Description: EVAL BOARD FOR EP5368QI

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of EP5368QI

Datasheet  EP5368QI datasheet
Category Power Supplies – Board Mount
Family DC DC Converters
Manufacturer Altera
Series 5300
Packaging Tape & Reel (TR)
Part Status Active
Type Non-Isolated PoL Module
Number of Outputs 1
Voltage – Input (Min) 2.4V
Voltage – Input (Max) 5.5V
Voltage – Output 1 0.603 ~ 5.1 V
Voltage – Output 2
Voltage – Output 3
Current – Output (Max) 600mA
Power (Watts) – Manufacture Series
Voltage – Isolation
Applications ITE (Commercial)
Features Remote On/Off, OCP, OTP, SCP, UVLO
Mounting Type Surface Mount
Package / Case 16-QFN
Size / Dimension 0.12″ L x 0.12″ W x 0.04″ H (3.0mm x 3.0mm x 1.1mm)
Operating Temperature -40°C ~ 85°C
Efficiency 94%
Power (Watts) – Max


The field of electronics is one in which innovation never stops moving forward. This unrelenting quest of quality is exemplified wonderfully by the EP5368QI, which is a great example. A synchronous Buck converter is a game-changer for a variety of applications since it integrates a bevy of critical components into a single, compact container. This makes it ideal for use in situations where space is limited. This article will serve as your thorough guide to understanding the EP5368QI, covering everything from its features and benefits to its applications and how to make the most of this incredible piece of technology.

Introduction to the EP5368QI

The EP5368QI is an innovative solution for managing power in electronic devices such as computers and mobile phones. It is notable for its remarkable integration, which incorporates an inductor, PWM controller, MOSFETs, and compensating components all inside a single device. This makes it stand out. This all-in-one design makes a substantial contribution to the simplification of the overall system design. In addition, it lowers noise levels, reduces the number of components needed, and requires very little room on the printed circuit board (PCB).


Before diving into the details, let’s take a quick look at the standout features of the EP5368QI:

  • Integrated Inductor: Because the EP5368QI has an integrated inductor, you won’t need to use any other inductors outside of it, which will further simplify the design process.
  • Compact Package: The EP5368QI is ideal for use in applications with limited available space because it comes in a QFN package that only measures 3 millimeters on a side and 1.1 millimeters on the top and bottom.
  • Minimal External Components: To finish the solution, you will only need two inexpensive MLCC capacitors, which results in a reduction in both the overall cost and the amount of space required on the board.
  • High Efficiency: This buck converter has an efficiency that may reach up to 94%, minimizing the amount of power that is wasted and making it an environmentally beneficial option.
  • Wide Input Voltage Range: The fact that the device can take input voltages ranging from 2.4V to 5.5V gives it a degree of adaptability that makes it suitable for a wide range of applications.
  • Output Voltage Flexibility: Through the use of a three-pin VID selector, it is possible to program the output voltage. This selector provides seven pre-programmed output voltages in addition to the option of an external resistor divider.
  • Noise Compatibility: Because of its low output ripple, this component is compatible with noise-sensitive RF systems, making it an excellent choice for uses in where maintaining signal integrity is essential.
  • Robust Protections: For increased levels of reliability, the EP5368QI comes equipped with short circuit and over-current protection, UVLO (Under Voltage Lock-Out) protection, and thermal protection.
  • High Switching Frequency: This converter, which has a switching frequency of 4 MHz and operates at that frequency, makes it possible to integrate a high level of components and reduces the amount of those that are required externally.
  • Stable Performance: The EP5368QI keeps its stability throughout its full operating range, which guarantees that its performance will always be reliable and constant.

Applications of the EP5368QI

Because of its adaptability, the EP5368QI is suitable for a myriad of different applications. This buck converter has the potential to have a substantial impact in a number of important fields, including the following:

1. Noise-sensitive RF Applications

The EP5368QI’s low output ripple and noise confinement are extremely useful assets for RF systems and other applications that place a premium on maintaining signal integrity.

2. Area-constrained Applications

The EP5368QI is a fantastic option for designs with limited available space as a result of its small size as well as the few requirements it has for external components.

3. Smartphones and PDAs

When it comes to mobile devices, every millimeter counts as valuable real estate. Because of its compact size and great efficiency, the EP5368QI is a good choice for use in mobile devices such as cellphones, PDAs, and other such devices.

4. Personal Media Players

The EP5368QI provides great performance for electronic devices such as personal media players that call for a power supply that is both dependable and efficient.

5. Advanced Mobile Processors, DSP, IO, Memory, Video, Multimedia Engines

Within cutting-edge electronic systems, the EP5368QI guarantees that the most important components receive power that is both clean and efficient, which in turn boosts the system’s overall performance.

Utilizing the EP5368QI: Tips and Guidelines

Consider the following suggestions and guidelines to make the most of the EP5368QI in your designs:

  • Optimal Component Selection: For the best performance, use the recommended low-cost MLCC capacitors. This reduces costs while retaining great performance.
  • Thermal Considerations: While the EP5368QI includes thermal protection, proper heat dissipation in your design is critical, especially in applications requiring high continuous output current.
  • Voltage programmability: To accurately set the output voltage, use the 3-pin VID selector or an external resistor divider.
  • Increasing Efficiency: To enhance the EP5368QI’s efficiency, understand your application’s exact power requirements.
  • Noise Management: Use the low output ripple to protect signal integrity in noise-sensitive applications.
  • Protection Features: Learn about the device’s security features and include them into your design to improve reliability and durability.
  • Layout and arrangement: Pay close attention to component arrangement and layout to improve the EP5368QI’s performance.


The EP5368QI represents an innovative solution for power management, offering exceptional integration, efficiency, and versatility all packed into a compact design. Whether you’re working on noise-sensitive RF systems, devices with limited space, or high-performance mobile gadgets, the EP5368QI is a valuable asset in your toolkit.

This comprehensive guide is here to help you unlock the full potential of the EP5368QI, ensuring that your electronic designs are not only efficient and reliable but also well-equipped to meet the demands of today’s technology-driven world.

To fully leverage its capabilities, consider partnering with ICRFQ, a renowned Chinese electronic component distributor. Reach out to ICRFQ today to elevate your projects with the EP5368QI and enhance your communication systems.

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Kevin Chen