# Step-down module, MP1584, 4.5-20V to 0.8-20V, adjustable, 3A

- Page: https://sigmanortec.ro/en/step-down-module-mp1584-45-20v-to-08-20v-adjustable-3a
- Price: 6.86 RON
- Availability: In stock; 1-2 zile
- Reference: 9802 · EAN: 5945933452920
- Category: Electronic components > Step Down Modules
- Specifications: tension: AD; Supply Voltage: 4; Maximum Input Voltage: 28; Minimum Output Voltage: 1; Maximum Output Voltage: 20; Source Type: descend; Current Adjustment: Not; Voltage Adjustment: Yes; Adjustment Type: Variable; Maximum Output Current: 3; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.; Output Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.
- Package (shipping data): 0.004 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 03:25 (Europe/Bucharest)

## Description

Ultra-compact DC-DC buck converter for voltage reduction in DIY projects, drones, RC models and portable equipment, accepts 4.5-28V input and provides 0.8-20V adjustable via potentiometer, delivers up to 3A with high efficiency, fast switching for low ripple, dual connection pads on input and output for safe wiring.
Ultra-small DC-DC step-down (buck) module, ideal for DIY projects and applications where size and weight are essential, such as model airplanes or portable equipment.
It allows precise adjustment of the output voltage via an accessible potentiometer that can be adjusted with a screwdriver, offering flexibility in adapting the voltage to the specific requirements of the powered device.
The connection pads, both input and output, are doubled.
Specifications:
Input voltage: 4.5V - 28VDC
Output voltage: 0.8V - 20VDC
Output current: 3A MAX
Chip: MP1584 compatible
Conversion efficiency: 92%
Output ripple: Less than 30mV
Switching frequency: 1.5MHz (high), typically 1MHz
Operating temperature: -45°C - +85°C
Dimensions: 22 x 17 x 4mm
Color: Green or Black