Details

---

BUY PD54003L https://www.utsource.net/itm/p/12608305.html

Parameter	Symbol	Min	Typical	Max	Unit
Input Voltage	V_IN	2.7	-	5.5	V
Output Voltage	V_OUT	-	3.3	-	V
Output Current	I_OUT	-	300	-	mA
Quiescent Current	I_Q	-	2.0	-	渭A
Dropout Voltage	V_DROPOUT	-	150	-	mV
Shutdown Current	I_SHDN	-	0.1	-	渭A
Operating Temperature	T_OP	-40	-	85	掳C
Storage Temperature	T_STG	-65	-	150	掳C

Instructions for PD54003L

1. Power Supply Connection:

   • Connect the input voltage (V_IN) to the power supply.
   • Ensure the input voltage is within the range of 2.7V to 5.5V.

2. Output Configuration:

   • The output voltage (V_OUT) is fixed at 3.3V.
   • Connect the load to the output pin.

3. Grounding:

   • Connect the ground (GND) pin to the system ground to ensure proper operation.

4. Shutdown Function:

   • To enable the shutdown function, apply a low signal (0V) to the SHDN pin.
   • To resume operation, apply a high signal (V_IN) to the SHDN pin.

5. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high current or in high ambient temperatures.
   • Use a heatsink if necessary to maintain the operating temperature within the specified range.

6. Capacitor Selection:

   • Use a 1渭F ceramic capacitor on the input side (V_IN) and a 1渭F ceramic capacitor on the output side (V_OUT) for stability.
   • Place these capacitors as close as possible to the respective pins to minimize parasitic inductance.

7. Storage and Handling:

   • Store the device in a dry environment within the storage temperature range of -65掳C to 150掳C.
   • Handle with care to avoid static damage; use ESD protection when handling the device.

8. PCB Layout:

   • Ensure a clean and well-designed PCB layout to minimize noise and interference.
   • Use wide traces for power and ground lines to reduce resistance and improve thermal performance.

9. Testing:

   • Before finalizing the design, test the device under various conditions to ensure it meets the required specifications.
   • Check the output voltage, current, and temperature during testing.

(For reference only)