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AS1364-BTDT-30 Datasheet(PDF) 2 Page - ams AG |
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AS1364-BTDT-30 Datasheet(HTML) 2 Page - ams AG |
2 / 15 page www.austriamicrosystems.com Revision 1.05 2 - 15 AS1364 Datasheet - P i n o u t 4 Pinout Pin Assignments Figure 2. Pin Assignments (Top View) Pin Descriptions Table 2. Pin Descriptions Pin Number Pin Name Description 1POK Note: Open-Drain POK Output. POK remains low while VOUT is below the POK threshold. Connect a 100k Ω pull-up resistor from this pin to OUT to obtain an output voltage (see Figure 1 on page 1). 2EN Active-Low Shutdown Input. A logic low disables the output and reduces the supply current to 0.1µA. In shutdown, the POK output is low and OUT high impedance. VDD: Normal operation. GND: Shutdown. 3, 4 IN 2.0V to 5.5V Supply Voltage. Bypass with a 4.7µF input capacitor to GND (see Capacitor Selection and Regulator Stability on page 12). These inputs are internally connected, but they also must be externally connected for proper operation. 5, 6 OUT Regulator Output. Bypass with a 4.7µF low-ESR output capacitor to GND. Connect the OUT pins together externally. 7 SET/BYP Voltage-Setting Input. Connect to GND to select the factory-preset output voltage. Connect this pin to an external resistor-divider for adjustable-output operation (see Figure 1 on page 1). (AS1364-AD only) Bypass Pin. Connect a 10nF capacitor from this pin to OUT to improve PSRR and noise performance. (AS1364-AD does not offer this feature) 8 GND Ground 5OUT 3 IN 2 EN 1 POK 6OUT 7 SET/BYP 8GND AS1364 4 IN |
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