Details

---

BUY BP5221A https://www.utsource.net/itm/p/12608501.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Input Voltage	VIN	2.7	-	5.5	V
Output Voltage	VOUT	-	3.3	-	V	Fixed
Output Current	IOUT	-	500	600	mA
Quiescent Current	IQ	-	30	-	渭A
Dropout Voltage	VDROPOUT	-	250	-	mV	@ IOUT = 500mA
Load Regulation	-	-	0.2	-	%	0mA to 500mA
Line Regulation	-	-	0.1	-	%/V	2.7V to 5.5V
PSRR (Power Supply Rejection Ratio)	-	-	70	-	dB	@ 1kHz
Operating Temperature	Toper	-40	-	85	掳C
Storage Temperature	Tstg	-55	-	150	掳C

Instructions for Use

1. Input Connection:

   • Connect the input voltage (VIN) to the positive terminal of the power supply.
   • Ensure the input voltage is within the specified range (2.7V to 5.5V).

2. Output Connection:

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

3. Ground Connection:

   • Connect the ground (GND) of the power supply, load, and BP5221A together to ensure a common reference point.

4. Capacitors:

   • Place a 1渭F ceramic capacitor close to the input pin (VIN) to filter out noise and stabilize the input voltage.
   • Place a 1渭F ceramic capacitor close to the output pin (VOUT) to filter out noise and stabilize the output voltage.

5. Thermal Management:

   • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
   • The device can operate up to 85掳C, but performance may degrade at higher temperatures.

6. PCB Layout:

   • Keep the PCB traces short and wide to minimize resistance and inductance.
   • Use a ground plane to improve thermal performance and reduce noise.

7. Storage:

   • Store the device in a dry environment to prevent moisture damage.
   • The storage temperature range is from -55掳C to 150掳C.

8. Handling:

   • Handle the device with care to avoid mechanical damage.
   • Follow ESD (Electrostatic Discharge) precautions to prevent damage from static electricity.

(For reference only)