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E-L6219R013TR Datasheet(PDF) 6 Page - STMicroelectronics |
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E-L6219R013TR Datasheet(HTML) 6 Page - STMicroelectronics |
6 / 16 page Block diagram & pins description L6219R 6/16 Note: ESD on GND, Vs, Vss, OUT 1A and OUT 2A is guaranteed up to 1.5KV (Human Body Model, 1500W, 100pF). 7;18 GROUND Ground Connection. With pins 6 and 19 also conducts heat from die to printed circuit copper. 8;20 INPUT 0 See INPUT 1 (pins 9;17) 9;17 INPUT 1 These pins and pins 8;20 (INPUT 0) are logic inputs which select the outputs of the comparators to set the current level. Current also depends on the sensing resistor and reference voltage. See Funcional Description. 10;16 PHASE This TTL-compatible logic inputs sets the direction of current flow through the load. A high level causes current to flow from OUTPUT A (source) to OUTPUT B (sink). A schmitt trigger on this input provides good noise immunity and a delay circuit prevents output stage short circuits during switching. 11;15 REFERENCE VOLTAGE A voltage applied to this pin sets the reference voltage of the comparators, this determining the output current (also thus depending on Rs and the two inputs INPUT 0 and INPUT 1). 12;14 RC A parallel RC network connected to this pin sets the OFF time of the higher power transistors. The pulse generator is a monostable triggered by the output of the comparators (toff = 1.1 RT CT). 13 Vss - LOGIC SUPPLY Supply Voltage Input for Logic Circuitry 24 Vs - LOAD SUPPLY Supply Voltage Input for the Output Stages. Table 1. Pin description (continued) Pin # Name Description |
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