Part Number: EP5358HUI

Manufacturer: Intel

Description: DC-DC CONVERTER 1.8-3.3V 2WThe Complete Guide to EP5358HUI

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of EP5358HUI

Datasheet  EP5358HUI 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 1.8 ~ 3.3 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 0.10″ L x 0.09″ W x 0.04″ H (2.5mm x 2.3mm x 1.1mm)
Operating Temperature -40°C ~ 85°C
Efficiency 93%
Power (Watts) – Max


“Power Up Your Projects with EP5358HUI: The Ultimate Non-Isolated PoL Module DC-DC Converter! Unleash the potential of your electronics with this compact and efficient voltage regulator. From IoT devices to industrial automation, this guide will walk you through everything you need to know about EP5358HUI, making power conversion a breeze. Let’s dive in and supercharge your creations!”

What is a Non-Isolated PoL Module DC-DC Converter?

A Non-Isolated PoL (Point-of-Load) Module DC-DC Converter is an expert power conversion tool that effectively scales down voltage from a broad input range to a regulated output voltage. Non-isolated PoL converters are compact, cheap, and ideal for situations where isolation is not needed.  This technology is best exemplified by the EP5358HUI, which boasts outstanding performance and adaptability.

Key Features and Advantages of the EP5358HUI

The EP5358HUI stands apart from other DC-DC converters thanks to a number of distinctive features, including:

  • Wide Input Voltage Range: This module can handle a range of power sources, including batteries, USB power, and other common voltage rails, with an input voltage range of 2.4V to 5.5V.
  • Regulated Output Voltage: The EP5358HUI’s consistent 1.8–3.3 volt output voltage powers delicate electronic components.
  • High Output Current: With an output current of up to 600mA, this converter can manage a variety of load conditions, making it appropriate for a number of low- to moderate-power applications.
  • Efficiency and Energy Savings: The EP5358HUI has exceptional efficiency levels thanks to its cutting-edge switching technology, which also reduces power loss and increases battery life in portable devices.
  • Compact and Space-Saving: The EP5358HUI is simple to integrate into projects with limited space thanks to its compact form factor and integrated design, allowing for seamless incorporation into your designs.


The EP5358HUI finds its applications in diverse fields, catering to the power needs of numerous electronic devices. Some popular use cases include:

  • Internet of Things (IoT) Devices
  • Battery-Powered Applications
  • Industrial Automation
  • Consumer Electronics

EP5358HUI Specifications

Input Voltage Range

EP5358HUI non-isolated PoL module DC-DC converter has a wide input voltage range. It can take input voltages from 2.4V to 5.5V, making it appropriate for battery-powered devices and USB power. This wide input voltage range lets the EP5358HUI be employed in many electronic devices and systems.

Output Voltage Range and Current Rating

EP5358HUI outputs a controlled 1.8V to 3.3V voltage. This flexibility lets it power several electrical components and circuits with varying voltage requirements. The module’s 600mA output current rating allows it to meet the power needs of many applications, including moderate power applications.

Efficiency and Load Regulation

The EP5358HUI’s high efficiency reduces power loss and extends battery life in portable devices. Switching technology in the module boosts power conversion efficiency. Regulated Output Voltage: The EP5358HUI’s 1.8–3.3 volt output voltage powers fragile electronics.

Protection Features

The EP5358HUI meets power converter safety and reliability standards. This module’s protection measures protect itself and linked devices. Protection measures include:

  • Over-Current Protection (OCP): automatically sets a limit on the output current to avoid overloading the load and damaging the converter.
  • Over-Temperature Protection (OTP): prevents overheating by shutting down the converter if the internal temperature rises above safe levels.
  • Under-Voltage Lockout (UVLO): prevents potential failures under low voltage settings by ensuring that the converter doesn’t run below a specific input voltage threshold.
  • Short-Circuit Protection (SCP): identifies and guards against short-circuit situations, preventing damaging current spikes from damaging the converter and load.

Operating the EP5358HUI

Start-Up and Shutdown Procedures

Operating the EP5358HUI is straightforward, and it follows a standard start-up and shutdown procedure:

Start-Up Procedure:

  1. Ensure that the input voltage is within the specified input voltage range (2.4V – 5.5V) and that all connections are secure.
  2. Apply the input voltage to the VIN pin of the EP5358HUI.
  3. The converter will begin its start-up sequence, and the output voltage will gradually rise to the desired set voltage.

Shutdown Procedure:

  1. To initiate a shutdown, disconnect the input voltage from the VIN pin.
  2. The output voltage will start to decrease, and the EP5358HUI will enter a low-power state.

It’s essential to follow these start-up and shutdown procedures to ensure the proper functioning of the converter and to avoid any potential damage to the connected devices.

Output Voltage Adjustment and Regulation

The EP5358HUI allows for easy adjustment and regulation of the output voltage to meet the specific requirements of your application. To adjust the output voltage:

  1. Identify the feedback pin (FB) on the EP5358HUI module.
  2. By connecting external resistors or resistive dividers to the FB pin, the output voltage can be adjusted to the desired level within the range of 1.8V to 3.3V.
  3. Refer to the datasheet or application notes for recommended resistor values to achieve the desired output voltage.

It’s crucial to carefully calculate and choose the appropriate resistor values to ensure the output voltage remains stable and accurate under different load conditions.

Frequently Asked Questions about the EP5358HUI

What is the most common way to use the EP5358HUI?

The EP5358HUI can be used in a variety of electronic products, such as Internet of Things (IoT) devices, applications that run on batteries, industrial automation, and consumer electronics. Its small size, wide range of input voltage, and high efficiency make it good for a wide range of low- to moderate-power uses.

Can I change the power that comes out of the EP5358HUI?

Yes, the EP5358HUI makes it easy to change the output power. By adding external resistors or resistive dividers to the feedback (FB) pin, you can change the output voltage from 1.8V to 3.3V to fit your project’s needs.

How well does the EP5358HUI work?

The EP5358HUI uses modern switching technology, which makes the power conversion process very efficient. Its efficiency is important for making portable and battery-powered gadgets last as long as possible.

What kinds of safety features does the EP5358HUI have?

The EP5358HUI has a number of safety measures to make sure it is safe and reliable. Some of these traits are Over-Current Protection (OCP), Over-Temperature Protection (OTP), Under-Voltage Lockout (UVLO), and Short-Circuit Protection (SCP). These safeguards keep the converter and the devices it is tied to from getting damaged.

Can the EP5358HUI handle power currents that are very high?

Yes, the EP5358HUI can send up to 600mA of output current, which means it can be used for a wide range of low- to medium-power uses.

What is the range of temperatures that the EP5358HUI can work in?

The EP5358HUI is made to work well in a wide range of temperatures, usually between -40°C and +85°C. This means that it can be used in many different environments and will work the same way even when the temperature is very high or very low.

Does the EP5358HUI need a heatsink?

Whether or not you need a heatsink relies on the application and how it is being used. If the converter is running at high currents or in high ambient temperatures, it is best to place the EP5358HUI on a heat-conducting PCB or heatsink so that it can get rid of heat quickly and keep working well.

Can I use batteries with the EP5358HUI?

Yes, the EP5358HUI can work with a wide range of power sources, including batteries, thanks to its wide input voltage range. It can step down the voltage from a battery source to the required output voltage in an efficient way, so it can be used in applications that run on batteries.

How can I make sure that the EP5358HUI will be reliable and last a long time?

Follow the manufacturer’s instructions for proper thermal design and heat removal to make sure the product works well and lasts a long time. Keep the working temperature within the range given, and if you can, make sure there is enough airflow around the module. Also, follow the instructions for turning the power on and off to avoid any damage that could happen.


In conclusion, the EP5358HUI non-isolated PoL module DC-DC converter offers a powerful and versatile solution for a wide range of electronic applications. Its efficiency, wide input voltage range, and adjustable output voltage make it ideal for IoT devices, consumer electronics, industrial automation, and more.

To power up your projects with the EP5358HUI, you can find this product at an affordable price from ICRFQ, a leading electronic component distributor in China. With our reliable service and quality products, ICRFQ is your go-to source for acquiring this remarkable DC-DC converter. Unlock the full potential of your electronic creations with the EP5358HUI from ICRFQ today!

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