Bm5291 Ver 1.3 Schematic

| Reference | Component Type | Typical Rating | |-----------|----------------|----------------| | U1 | PWM Controller IC | Likely , LD5530 , or OB2263 | | Q1, Q2 | Power MOSFETs | 100V, 8A (e.g., AO4404, IRFZ44N) | | D1 | Schottky Diode | 100V, 5A (SB5100) | | L1 | Boost Inductor | 22µH-47µH, shielded | | C1-C4 | Input/Output Caps | 470µF/35V (input), 100µF/100V (output) | | FB1 | Feedback optocoupler | PC817 or LTV817 | | F1 | Fuse | 3.15A, 250V slow-blow |