NCP1395A Datasheet - ON Semiconductor

NCP1395A High Performance Resonant Mode Controller

Pin No. Symbol Function 1 Fmin Timing Resistor 2 Fmax Frequency Clamp 3 DT Deadtime 4 Css Soft *Start 5 FB Feedback 6 Ctimer Timer Duration 7 BO Brown *Out 8 Agnd Analog Ground 9 Pgnd Power Ground 10 A Low Side Output 11 B High Side Output 12 Vcc Supplies the Con.

NCP1395A/B High Performance Resonant Mode Controller The NCP1395A/B offers everything needed to build a reliable and rugged resonant mode power supply. Its unique architecture includes a 1.0 MHz Voltage Controller Oscillator whose control mode brings flexibility when an ORing function is a necessity, e.g. in multiple feedback paths implementations. Protections featuring various reaction times, e.g. immediate shutdown or timer based event, brown out, broken optocoupler detection .

NCP1395A Features

* High Frequency Operation from 50 kHz up to 1.0 MHz

* Selectable Minimum Switching Frequency with "3% Accuracy

* Adjustable Deadtime from 150 ns to 1.0 ms

* Startup Sequence via an Adjustable Soft

* Start

* Brown

* Out Protection for a Simpler PFC

NCP1395A_ONSemiconductor.pdf