The Highway09 is a dedicated microcontroller-style IC designed by manufacturers like
The headline feature of this IC is its adjustability. Unlike the fixed 7805 or 7812 regulators, the Highway 09/LM317 allows users to set the output voltage precisely where they need it. highway 09 ic datasheet
: Optimized for 15-16c and 08 series induction cooker mainboards. Core Functions Precise PWM (Pulse Width Modulation) for power control. Thermal protection and over-voltage monitoring. Pulse-level control for efficient heat generation. Operating Voltage Core Functions Precise PWM (Pulse Width Modulation) for
| Component | Value/Part | Purpose | | :--- | :--- | :--- | | C1 | 100µF / 35V Electrolytic | Input bulk capacitance (handles inrush current) | | C2 | 0.1µF / 50V Ceramic X7R | High-frequency noise suppression | | D1 | SS34 or 1N5819 Schottky | Reverse polarity protection (optional but recommended) | | R_sense | Calculated (0.05Ω to 1Ω) | Sets LED current; use 2512 package for 1W+ dissipation | | IC | Highway 09 | Main regulator | | LED String | 3x 3W LEDs in series | Forward voltage ~9-11V | Operating Voltage | Component | Value/Part | Purpose
The Highway 09 offers modern LDO performance at a mid-range price point.