MA818 Datasheet (GEC Plessey Semiconductors) - 3 Phase / Pulse Width Modulation Waveform Generator

MA818, 3 Phase / Pulse Width Modulation Waveform Generator

Pin.no.

DC/DG/DP40 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Pin.no.

HP44 2 3 4 5 6 7 8 9 10 11 13 14 15 16 17 18 19 20 21 22 24 25 26 27 28 29 30 31 32 33 35 36 37 38 39 40 41 42 43 44 Name AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 Intel:

THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS ADVANCE INFORMATION 3797-2 2 MA818 THREE-PHASE PULSE WIDTH MODULATION WAVEFORM GENERATOR The MA818 PWM generator has been designed to provide waveforms for the control of variable speed AC machines, uninterruptible power supplies and other forms of power electronic devices which require pulse width modulation as a means of efficient power control.

The six TTL level PWM outputs (Fig.

2) control the six swi

MA818 Features

* s Fully Digital Operation RD

* (DS†) NC ALE

* (AS†) RST CLK CS TRIP MA818 34 33 32 31 30 s Interfaces with Most Microprocessors s Wide Power-Frequency Range s Carrier Frequency Selectable up to 24kHz s Waveform Stored in External PROM/EPROM s Double Edged Regular Sampling s Selectable Mini