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| Regulator ICs 2-channel switching regulator controller BA9744FV The BA9744FV is a 2-channel switching regulator controller that uses the PWM method. Both circuits can be used for DC / DC conversion for step-up, step-down, and inverting. The IC comes in an extremely compact package, making it ideal for use in portable equipment. FApplications DC / DC converters for video cameras and notebook computers etc. FFeatures 1) High-accuracy reference voltage circuit (1%). 2) Timer-latch, short-circuit protection circuit. 3) Miss-operation prevention circuit for low-voltage input. FAbsolute maximum ratings (Ta = 25_C) 4) Reference voltage with output (1.222V). 5) Reset period adjustment is possible over the entire duty range. FRecommended operating conditions (Ta = 25_C) 422 Regulator ICs FBlock diagram BA9744FV FPin descriptions 423 Regulator ICs FElectrical characteristics (unless otherwise noted, Ta = 25_C, and VCC = 3V) BA9744FV 424 Regulator ICs BA9744FV FTiming chart 425 Regulator ICs FElectrical characteristic curves BA9744FV FExternal dimensions (Units: mm) 426 |
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