AC-DC 5V 700mA 3.5W Isolated Switching Power Supply Module 220V to 5V Buck Converter

The AC-DC 5V 700mA 3.5W Isolated Switching Power Supply Module is a compact PCB-mounted power converter that efficiently converts 100–240V AC input into a stable 5V DC output. With isolation between input and output, high conversion efficiency, and a small footprint, it is ideal for Arduino, ESP32, IoT devices, smart home systems, industrial control, and embedded electronics.

Description

AC-DC 5V 700mA 3.5W Isolated Switching Power Supply Module

The AC-DC 5V 700mA 3.5W Isolated Switching Power Supply Module is a compact offline switching power module designed to convert 100–240V AC mains voltage into a regulated 5V DC output. Its isolated design enhances electrical safety and makes it suitable for a wide range of low-power embedded applications.

This PCB-mount power module provides a reliable 5V DC output with up to 700mA of current, making it an excellent choice for powering microcontrollers, WiFi modules, sensors, relay boards, displays, and other electronic circuits. Its compact size allows easy integration into DIY electronics, smart home products, industrial controllers, automation equipment, and custom PCB designs.

Featuring high conversion efficiency, low standby power consumption, and stable output performance, the module eliminates the need for bulky transformers while simplifying AC-powered electronic designs. It is widely used by students, engineers, hobbyists, and product developers for safe and efficient AC-to-DC power conversion.

Key Features

• Converts 100–240V AC to regulated 5V DC
• Stable 5V DC output
• Maximum output current: 700mA
• Maximum output power: 3.5W
• Isolated input and output
• High efficiency switching power supply
• Compact PCB-mount design
• Wide AC input voltage range
• Low ripple and noise
• Built-in over-current protection
• Built-in short-circuit protection
• Built-in thermal protection
• Reliable continuous operation
• Low standby power consumption
• Easy PCB integration
• Suitable for embedded applications
• Ideal for DIY electronics and IoT devices

Technical Specifications

Applications

The AC-DC 5V 700mA 3.5W Isolated Switching Power Supply Module is suitable for powering low-power electronic devices and embedded systems, including:

• Arduino Projects
• ESP32 Development Boards
• ESP8266 WiFi Modules
• Raspberry Pi Pico Projects
• STM32 Development Boards
• IoT Devices
• Smart Home Controllers
• Home Automation Systems
• Industrial Control Equipment
• Relay Control Circuits
• Sensor Nodes
• LED Controllers
• Security & Alarm Systems
• Access Control Systems
• Embedded Electronics
• DIY Electronics Projects
• Test & Measurement Equipment
• Digital Display Modules
• Communication Devices
• Small Automation Systems

Compatibility

The power module is compatible with most electronic devices requiring a regulated 5V DC supply.

Compatible Development Boards

• Arduino Uno
• Arduino Nano
• Arduino Mega 2560
• ESP32 Development Boards
• ESP8266 NodeMCU
• Raspberry Pi Pico
• Raspberry Pi Pico 2
• STM32 Blue Pill
• STM32 Nucleo Boards
• ATmega Development Boards

Compatible Modules

• WiFi Modules
• Bluetooth Modules
• LoRa Modules
• NRF24L01 Modules
• RFID Readers
• OLED Displays
• TFT LCD Displays
• Relay Modules
• Sensor Modules
• Servo Controllers
• GSM/GPRS Modules
• GPS Modules

Note: Ensure the total load current does not exceed 700mA (3.5W) for reliable operation.

Package Includes

• 1 × AC-DC 5V 700mA 3.5W Isolated Switching Power Supply Module

Important Notes

• Input voltage: 100–240V AC, 50/60Hz.
• Output voltage: Regulated 5V DC.
• Maximum continuous output current: 700mA.
• Maximum output power: 3.5W.
• The module operates directly from AC mains voltage; handle with proper insulation and caution.
• Installation should be carried out only by users familiar with high-voltage circuits.
• Ensure adequate ventilation during continuous operation.
• Avoid short circuits on the output terminals.
• Do not exceed the rated load to maintain stable performance and long service life.

Why Buy from Chip.pk

When you purchase the AC-DC 5V 700mA 3.5W Isolated Switching Power Supply Module from Chip.pk, you get:

• Genuine quality electronic components
• Carefully tested products
• Fast delivery across Pakistan
• Secure packaging
• Competitive pricing
• Technical support for electronics projects
• Trusted supplier for students, engineers, makers, and industries
• Wide range of power modules, converters, sensors, and development boards

Frequently Asked Questions (FAQs)

1. What is this power supply module used for?

It converts 100–240V AC mains power into a stable 5V DC output for powering embedded electronics, IoT devices, microcontrollers, and automation systems.

2. Is the output isolated?

Yes. This module features electrical isolation between the AC input and DC output, improving safety for low-voltage circuits.

3. What is the maximum output current?

The module can provide up to 700mA of continuous output current.

4. Can I power an ESP32 with this module?

Yes. It is suitable for powering ESP32 development boards, provided the total connected load remains within the module's rated output.

5. Can it power an Arduino Uno?

Yes. It can power an Arduino Uno through the 5V pin, provided the total current consumption stays below the rated limit.

6. Is it suitable for continuous operation?

Yes. The module is designed for continuous operation when used within its specified voltage, current, and temperature limits.

7. Does it include protection features?

Yes. It typically includes short-circuit, over-current, and thermal protection for reliable operation.

8. Can I install this module directly inside my project enclosure?

Yes. Its compact PCB-mount design makes it suitable for installation inside custom electronic enclosures and embedded products.

9. Can I use it for smart home automation projects?

Yes. It is widely used in smart switches, IoT controllers, home automation systems, and industrial control devices.

10. Where can I buy the AC-DC 5V 700mA 3.5W Power Supply Module in Pakistan?

You can order the AC-DC 5V 700mA 3.5W Isolated Switching Power Supply Module from Chip.pk with fast nationwide delivery across Pakistan.