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HV830 Datasheet(PDF) 4 Page - Supertex, Inc |
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HV830 Datasheet(HTML) 4 Page - Supertex, Inc |
4 / 6 page 4 HV830 The HV830 can also be used for handheld devices operating from a single cell 1.5V battery where a regulated voltage is available. This is shown in Fig. 3. The regulated voltage can be used to run the internal logic of the HV830. The amount of current necessary to run the internal logic is typically 100µA at a V DD of 3.0V. Therefore, the regulated voltage could easily provide the current without being loaded down. The HV830 used in this configuration can also be enabled/disabled via logic control signal on the R SW and REL resistors as shown in Fig.2. Split Supply Configuration Using a Single Cell (1.5V) Battery Fig. 3 can also be used with high battery voltages, such as 12V, as long as the input voltage, V DD, to the HV830 device is within its specifications of 2.0V to 9.5V. Split Supply Configuration for Battery Voltages of Higher than 9.5V Fig. 3 Split Supply Configuration VIN = Battery Voltage VDD = Regulated Voltage ON = VDD OFF = 0V CS 200V 0.1µF* LX BAS21LT1 RSW REL EL Lamp + – Remote Enable 1nF HV830 1 7 2 3 4 8 6 5 LX GND VB VA REL-Osc VDD RSW-Osc CS * Larger values may be required depending upon supply impedence. |
Similar Part No. - HV830_07 |
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Similar Description - HV830_07 |
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