Details

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BUY UP9617PQDD https://www.utsource.net/itm/p/12608857.html

Parameter	Description	Value	Unit
Input Voltage (VIN)	Operating input voltage range	2.7 to 5.5	V
Output Voltage (VOUT)	Fixed output voltage	1.8, 2.5, 3.3	V
Quiescent Current	Current consumption in active mode	40	渭A
Shutdown Current	Current consumption in shutdown mode	0.1	渭A
Load Current	Maximum continuous output current	300	mA
Dropout Voltage	Voltage difference between VIN and VOUT	0.3 @ 300mA	V
PSRR	Power supply rejection ratio at 1kHz	60	dB
Operating Temperature	Ambient temperature range	-40 to +85	掳C

Instructions for UP9617PQDD

1. Power Supply Connection:

   • Connect the input voltage within the specified range (2.7V to 5.5V) to the VIN pin.
   • Ensure a stable power source to avoid fluctuations that can affect performance.

2. Output Configuration:

   • The device provides fixed output voltages of 1.8V, 2.5V, or 3.3V. Select the required output voltage based on your application needs.

3. Grounding:

   • Properly connect the GND pin to the system ground to ensure stable operation and minimize noise.

4. Capacitor Selection:

   • Use appropriate input and output capacitors as recommended by the manufacturer to stabilize the input voltage and filter the output voltage.
   • Typical values are 1渭F ceramic capacitors for both input and output.

5. Thermal Considerations:

   • Ensure adequate heat dissipation if operating near the maximum load current to prevent overheating.
   • Keep the operating temperature within the specified range (-40掳C to +85掳C).

6. Shutdown Function:

   • To put the device into low-power shutdown mode, pull the SHDN pin low. This reduces the current consumption significantly.
   • To resume normal operation, bring the SHDN pin high.

7. PCB Layout:

   • Follow good PCB layout practices, including short traces for high-frequency signals and proper grounding planes, to achieve optimal performance.

8. Handling Static Electricity:

   • Handle the device with care to avoid damage from static electricity. Use anti-static precautions when installing or handling the component.

(For reference only)