| Feature | SOT-23-5 | SOT-23-6 | | :--- | :--- | :--- | | | 5 | 6 | | Pin 5 function | OUT | NC or FB | | Pin 4 function | BYPASS | BYPASS | | Common usage | Fixed output, space-constrained | Adjustable or extra features | | Top marking area | Smaller, often 3-4 characters | Larger, can include full "IN518" |
Introduction In the world of surface-mount technology (SMT) and compact electronic designs, the INX IN518 has emerged as a notable component for power management and signal conditioning. Whether you are an engineer reverse-engineering a PCB, a technician repairing a consumer device, or a hobbyist designing a new project, understanding the pinout diagram and top marking of the IN518 is critical. inx in518 ic pinout diagram top
┌───┐ EN 1-│ │-5 OUT GND 2-│ │-4 NC IN 3-│ │ └───┘ Here is a standard application circuit for the IN518 as a 3.3V LDO regulator. Schematic Diagram (SOT-23-6 version): +Vin (5V) │ ┌┴┐ │ │ C1 │ │ 10µF └┬┘ │ ├──────────┐ │ │ ┌┴┐ │ │ │ R1 │ │ │ 100k │ └┬┘ │ │ │ +──────────┤3 VIN │ ┌──┤1 EN │ │ GND │ │ IN518 │ ┌────┤6 VOUT │ │ GND │ │ ┌┴┐ │ │ C2 │ │ 10µF └┬┘ │ VOUT (+3.3V) Pin 4 (BYPASS) ──┬── 100nF ──┬── GND └───────────┘ | Feature | SOT-23-5 | SOT-23-6 | |