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Posts tagged LM3525

USB charger battery

USB charger battery USB charger schematic diagram for li-on battery using LM3525, LM3622, DTA1432KA USB port is a great power source for charging a single cell li-on battery. … cell li-on battery charger. LM3525, LM3622, DTA1432KA is used as the controller.

Microcontroller power supply circuit using mosfet

Microcontroller power supply circuit using mosfet on any cell charger phone circuit using 74C14, IRFZ48Z

Projection 50″ TV, Power Supply Problem?

afterburner asked: Tried to paste a circuit diagram into this problem, but no luck. PROBLEM DESCRIPTION: Believe the problem is in the power suppy. Model: Hitachi CU 5002k 50″ 3 tube projection. No picture, raster or sound. I have no scope. Have VTOM. Output from the Sub Power Supply is, and should be, 122 VAC […]

ptc speaker protection

ptc speaker protection

POWER TOUCH SWITCH EXCITER CIRCUIT

POWER TOUCH SWITCH EXCITER CIRCUIT using TLC555, 2N7000, PN2907, PN2222, TIP41, TIP42

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