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AS1367-BTDT-45 Datasheet(PDF) 2 Page - ams AG |
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AS1367-BTDT-45 Datasheet(HTML) 2 Page - ams AG |
2 / 14 page www.austriamicrosystems.com Revision 1.02 2 - 14 AS1367 Datasheet - P i n A s s i g n m e n t s 4 Pin Assignments Figure 2. Pin Assignments (Top View) Pin Descriptions Table 1. Pin Descriptions Pin Name Pin Number Description OUT 1 Regulated Output Voltage. The current flowing out of this pin is equivalent to a DC load current. Fixed 1.2, 1.5, 1.8, 3.0, 3.3 and 4.5V output, as well as versions from 1.2V up to 5.0V can be ordered. Bypass this pin with 3.3µF to GND. BYP 2 Bypass. This pin should be connected via a 10nF capacitor to pin OUT. SET 3 Set Input. Connect to GND for preset output. Connect to a resistive voltage- divider between OUT and GND to set the output voltage between 1.2V and 5.0V. EN 4 Active-High Enable Input. A logic low reduces the supply current to < 1µA. Connect this pin to pin IN for normal operation. GND 5 Ground. This pin also functions as a heat sink. Solder it to a large pad or to the circuit-board ground plane to maximize power dissipation. POK 6 Power-OK Output. Active-low, open-drain output indicates an out-of- regulation condition. Connect a 100k Ω pull-up resistor to pin OUT for logic levels. Leave this pin unconnected if the Power-OK feature is not used. IN 7, 8 Input Voltage. These pins should be connected to the positive terminal of the input capacitor. Bypass this pin with 1µF to GND. Input voltage can range from 2.0V to 5.5V. GND Exposed Pad Exposed Pad. This pin also functions as a heat sink. Solder it to a large pad or to the circuit-board ground plane to maximize power dissipation. Internally it is connected GND. 1 OUT 2 BYP 3 SET 4 EN 8 IN 7 IN 6 POK 5 GND AS1367 Exposed Pad |
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