Hw-133-v1.0 Datasheet File

Experimental testing highlights several interesting characteristics that distinguish its practical use from basic paper specifications:

: Its ultra-small size makes it an ideal replacement for the bulkier LM2596 modules in space-constrained projects like small robots or drone builds. High-Frequency Stability

Acting as a highly decentralized point-of-load (POL) regulator on custom motherboard environments. Hw-133-v1.0 Datasheet

If you’ve recently purchased an Arduino starter kit or are digging through a box of spare modules, you’ve likely stumbled upon a small PCB labeled .

(Note: IN- and OUT- share a common ground plane across the PCB layout). Functional Block & Schematic Breakdown (Note: IN- and OUT- share a common ground

, continuous operations demands close attention to thermal limitations: At continuous loads under

high-efficiency switching regulator, making it ideal for applications requiring a small footprint and low heat dissipation, such as RC aircraft, DIY electronics, and portable power solutions. Technical Specifications Value / Range Input Voltage 4.5V to 28V DC Output Voltage 0.8V to 20V DC (Adjustable via Trimpot) Output Current 3A Maximum Switching Frequency 1.0 MHz (Typical) up to 1.5 MHz Efficiency Operating Temperature -45°C to +85°C Dimensions 22mm x 17mm x 4mm Output Ripple Key Features High Power Density : Its compact size ( ) allows it to fit into extremely tight spaces. Precision Adjustment Precision Adjustment 22 mm x 17 mm x

22 mm x 17 mm x 4 mm (or 25 mm x 20 mm x 4 mm depending on board trim) Module Pinout Configuration

. To avoid triggering the chip's internal thermal shutdown loop, users must attach a small miniature copper/aluminum heatsink to the underside of the PCB or deploy a small cooling fan. Step-by-Step Calibration and Operating Instructions