Details

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BUY SQ-H48W https://www.utsource.net/itm/p/9239592.html

Parameter	Description	Value
Part Number	Unique identifier for the component	SQ-H48W
Type	Type of electronic component	Switching Regulator
Input Voltage	Range of input voltage it can handle	3.0V to 5.5V
Output Voltage	Range of output voltage it can provide	1.2V to 5.0V
Output Current	Maximum continuous output current	4A
Switching Frequency	Frequency at which the internal switch operates	1.2MHz
Package Type	Physical package type	WDFN-10 (3x3)
Operating Temperature	Ambient temperature range it can operate in	-40°C to +85°C
Quiescent Current	Current consumed by the device when active but not driving a load	60μA
Dropout Voltage	Minimum difference between input and output voltages	300mV (at 4A)

Instructions:

1. Installation: Ensure the SQ-H48W is placed on a PCB with adequate heat dissipation, especially if operating near its maximum output current.
2. Input Voltage Selection: Verify that the input voltage falls within the specified range (3.0V to 5.5V) to avoid damage or improper operation.
3. Output Configuration: Set the output voltage using external resistors according to the datasheet's voltage divider formula.
4. Capacitor Selection: Choose input and output capacitors that meet the recommended specifications to ensure stability and efficiency.
5. Layout Considerations: Keep the layout compact, minimizing trace lengths for high-frequency paths to reduce noise and improve performance.
6. Testing: After assembly, test the regulator under various load conditions to ensure it meets the required specifications and operates stably.

(For reference only)