Details

---

BUY FA8389A https://www.utsource.net/itm/p/12605075.html

Parameter	Description	Value
Part Number	Full Part Number	FA8389A
Function	Function of the Component	Low-Dropout Linear Voltage Regulator (LDO)
Input Voltage	Range of Input Voltage	2.7V to 5.5V
Output Voltage	Fixed Output Voltage	1.8V, 2.5V, 3.0V, 3.3V (depending on version)
Output Current	Maximum Continuous Output Current	300mA
Dropout Voltage	Dropout Voltage at 300mA Load	200mV (Typical)
Quiescent Current	Quiescent Current	40渭A (Typical)
Shutdown Current	Shutdown Current	0.1渭A (Typical)
Operating Temperature	Operating Ambient Temperature Range	-40掳C to +85掳C
Storage Temperature	Storage Temperature Range	-65掳C to +150掳C
Package	Package Type	SOT-23-5
Pin Configuration	Pin Configuration	VOUT, GND, VIN, EN, NC

Instructions for Use

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the appropriate supply voltage within the specified range.
   • Ensure the output voltage (VOUT) is connected to the load.

2. Grounding:

   • Connect the ground (GND) pin to the system ground.

3. Enable Pin:

   • The enable (EN) pin can be used to control the operation of the regulator. Apply a high logic level to turn the regulator on, and a low logic level to turn it off.

4. Capacitors:

   • Place a 1渭F ceramic capacitor close to the VOUT pin to ensure stability.
   • Optionally, place a 1渭F ceramic capacitor close to the VIN pin to filter input noise.

5. Thermal Management:

   • Ensure adequate heat dissipation if operating at high current levels or in high ambient temperatures.

6. Layout Considerations:

   • Keep the traces from the input and output capacitors to the regulator as short as possible to minimize inductance and improve stability.
   • Avoid placing the regulator near heat sources to prevent overheating.

7. Storage and Handling:

   • Store the device in a dry environment to prevent moisture damage.
   • Handle the device with care to avoid static discharge, which can damage the component.

(For reference only)