ST 3845B High Performance Current Mode PWM Controller Ceramic Diode 132 kHz switching frequency (automatically
ST 3845B High Performance Current Mode PWM Controller Ceramic Diode 132 kHz switching frequency (automaticallySTMicroelectronics 3845B is a high Performance current mode PWM controller. The 3845B control IC family provides the features required to implement off line or DC to DC fixed frequency current mode control schemes with a low external part count. Internally implemented circuits include a trimmed oscillator with start up current less than 0. 5mA for precise DUTY CYCLE CONTROL under voltage lock out, a precision reference trimmed for accuracy at the
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