Details

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BUY BP6903 https://www.utsource.net/itm/p/12607122.html

Parameter	Symbol	Min	Typical	Max	Unit	Conditions
Input Voltage	VIN	2.7	-	5.5	V
Output Voltage	VOUT	-	3.3	-	V	Adjustable, see datasheet
Output Current	IOUT	-	1.2	1.5	A	Continuous
Efficiency	η	-	90	-	%	VIN = 5V, VOUT = 3.3V, IOUT = 1A
Quiescent Current	IQ	-	50	-	μA	No load
Dropout Voltage	VDROPOUT	-	300	-	mV	IOUT = 1.2A
Operating Temp.	TOPR	-40	-	85	°C
Storage Temp.	TSTG	-40	-	125	°C
Load Regulation	ΔVOUT	-	0.5	-	%	IOUT from 0 to 1.5A
Line Regulation	ΔVOUT	-	0.5	-	%	VIN from 2.7V to 5.5V

Instructions for Use:

1. Input Connection:

   • Connect the input voltage (VIN) to the input pin of the BP6903. Ensure the input voltage is within the specified range (2.7V to 5.5V).

2. Output Configuration:

   • The output voltage (VOUT) is typically set to 3.3V but can be adjusted using external resistors. Refer to the datasheet for specific resistor values.

3. Output Connection:

   • Connect the load to the output pin (VOUT). The maximum continuous output current is 1.2A, with a peak of 1.5A.

4. Ground Connection:

   • Ensure a common ground connection between the input and output circuits.

5. Capacitors:

   • Use appropriate input and output capacitors to stabilize the circuit. Recommended values are typically 10μF for both input and output, but consult the datasheet for specific recommendations.

6. Thermal Management:

   • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures. The operating temperature range is -40°C to 85°C.

7. Efficiency:

   • The efficiency of the BP6903 is around 90% under typical conditions (VIN = 5V, VOUT = 3.3V, IOUT = 1A).

8. Quiescent Current:

   • The quiescent current is approximately 50μA when no load is connected.

9. Dropout Voltage:

   • The dropout voltage is about 300mV at a load current of 1.2A.

10. Regulation:

    • The load regulation and line regulation are both around 0.5%, ensuring stable output voltage under varying load and input conditions.

11. Storage:

    • Store the device in a dry environment within the temperature range of -40°C to 125°C.

12. Handling:

    • Handle the BP6903 with care to avoid damage from electrostatic discharge (ESD). Use proper ESD protection measures during handling and installation.

(For reference only)