TY CONF TI SIMULATION OF SWITCHING SUPPLY POWER OF INCREASED POWER FOR LIGHT EMITTING DIODES CONTROL KW imitation block-diagram KW switching power supply KW PWM-controller KW time-diagram JO CAD/EDA/SIMULATION IN MODERN ELECTRONICS 2021 AU Suraykin, A.I. AU Kudryashov, A.D. AU Labutin, M.S. AU Suraykin, A.A. PY 2021 PB Bryansk State Technical University