Switching DC–DC voltage converter | 12 V – 5 V | 3 A | 15 W | non-isolated | 46 × 27 × 14 mm

Technical Specifications

Type: Switching DC–DC step-down converter
Model: ES-Y1.2 
Input voltage range: 8–23 V DC
Output voltage: 5 V DC
Maximum output current: 3 A
Maximum power: 15 W
Dimensions: 46 × 27 × 14 mm
Weight (net / gross): 35 g / 50 g
Manufacturer / line: IDEALPLUSING

Functions

Switching DC–DC step-down conversion – efficiently reduces voltage to a stable 5 V DC with low energy losses
Stable 5 V DC output – ensures reliable power supply for sensitive electronic devices
Wide input voltage range – suitable for 12 V DC power systems
Compact design – easy integration into space-limited solutions
High efficiency – switching technology reduces heat generation and energy losses

Applications

For home users: Power supply for 5 V devices (USB modules, LED controllers, mini computers), DIY projects, smart home solutions, powering from a 12 V battery or power supply
For electricians: Auxiliary 5 V circuits in control cabinets, power supply for sensors, relay modules or communication equipment, quick solution without additional transformers
For engineers / technical specialists: Integration into devices, PCB prototypes and OEM solutions, stable power supply for microcontrollers (Arduino, ESP, STM32, etc.), wide input range for flexible design, industrial and technical solutions, auxiliary power for automation and monitoring systems, compact control modules and signaling

Advantages

Stable 5 V DC output
Wide input voltage range
Small size and low weight
Easy integration
Good price-to-performance ratio

Disadvantages

Non-isolated (no galvanic isolation)
Limited power output
Not suitable for high-power devices