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ADP1763ACPZ-1.0-R7 Datasheet(PDF) 7 Page - Analog Devices |
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ADP1763ACPZ-1.0-R7 Datasheet(HTML) 7 Page - Analog Devices |
7 / 19 page ADP1763 Data Sheet Rev. 0 | Page 6 of 18 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 12 11 10 1 3 49 2 VIN VIN VIN VIN VOUT NOTES 1. THE EXPOSED PAD IS ELECTRICALLY CONNECTED TO GND. IT IS RECOMMENDED THAT THIS PAD BE CONNECTED TO A GROUND PLANE ON THE PCB. THE EXPOSED PAD IS ON THE BOTTOM OF THE PACKAGE. VOUT VOUT VOUT ADP1763 TOP VIEW (Not to Scale) Figure 3. Pin Configuration Table 6. Pin Function Descriptions Pin No. Mnemonic Description 1 to 4 VIN Regulator Input Supply. Bypass VIN to GND with a 10 μF or greater capacitor. Note that all four VIN pins must be connected to the source supply. 5 REFCAP Reference Filter Capacitor. Connect a 1 μF capacitor from the REFCAP pin to ground. Do not connect a load to ground. 6 VREG Regulated Input Supply to LDO Amplifier. Bypass VREG to GND with a 1 μF or greater capacitor. Do not connect a load to ground. 7 GND Ground. 8 VADJ Adjustable Voltage Pin for the Adjustable Output Option. Connect a 10 kΩ external resistor between the VADJ pin and ground to set the output voltage to 1.5 V. For the fixed output option, leave this pin floating. 9 to 12 VOUT Regulated Output Voltage. Bypass VOUT to GND with a 10 μF or greater capacitor. Note that all four VOUT pins must be connected to the load. 13 SENSE Sense Input. The SENSE pin measures the actual output voltage at the load and feeds it to the error amplifier. Connect VSENSE as close to the load as possible to minimize the effect of IR voltage drop between VOUT and the load. 14 SS Soft Start Pin. A 10 nF capacitor connected to the SS pin and ground sets the start-up time to 0.6 ms. 15 PG Power-Good Output. This open-drain output requires an external pull-up resistor. If the device is in shutdown mode, current-limit mode, or thermal shutdown mode, or if VOUT falls below 90% of the nominal output voltage, the PG pin immediately transitions low. 16 EN Enable Input. Drive the EN pin high to turn on the regulator. Drive the EN pin low to turn off the regulator. For automatic startup, connect the EN pin to the VIN pin. EP Exposed Pad. The exposed pad is electrically connected to GND. It is recommended that this pad be connected to a ground plane on the PCB. The exposed pad is on the bottom of the package. |
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