Details

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BUY PS21243-AB https://www.utsource.net/itm/p/1569253.html
Intellimod⑩ Module Dual-In-Line Intelligent Power Module 25 Amperes/600 Volts

Parameter	Description	Value	Unit
Part Number	Part number	PS21243-AB	-
Type	Type of device	Power Supply Controller	-
Input Voltage Range	Range of input voltage	4.5 to 55	V
Output Voltage Range	Range of output voltage	0.6 to 55	V
Output Current	Maximum output current	3	A
Switching Frequency	Switching frequency	100 to 1000	kHz
Efficiency	Efficiency at full load	Up to 95%	%
Operating Temperature	Operating temperature range	-40 to 125	°C
Storage Temperature	Storage temperature range	-65 to 150	°C
Package	Package type	SOIC-8	-
Pin Count	Number of pins	8	-
Quiescent Current	Quiescent current	250	μA
Protection Features	Protection features	Overvoltage, Overcurrent, Thermal Shutdown	-
Enable Pin	Enable pin functionality	Active High	-
Shutdown Current	Current in shutdown mode	1	μA

Instructions for Use

1. Power Supply Connection:

   • Connect the input power supply to the VIN pin.
   • Ensure the input voltage is within the specified range (4.5V to 55V).

2. Output Configuration:

   • Set the output voltage using an external resistor divider network connected to the FB (Feedback) pin.
   • The output voltage can be adjusted from 0.6V to 55V.

3. Inductor Selection:

   • Choose an appropriate inductor based on the desired output current and switching frequency.
   • Refer to the datasheet for recommended inductor values.

4. Capacitor Selection:

   • Use a high-quality input capacitor (typically 10μF to 100μF) to filter the input voltage.
   • Use a low ESR output capacitor (typically 10μF to 100μF) to stabilize the output voltage.

5. Enable/Disable Control:

   • Apply a high signal to the EN (Enable) pin to turn on the power supply.
   • Apply a low signal or leave the EN pin floating to turn off the power supply.

6. Thermal Management:

   • Ensure adequate heat dissipation by mounting the device on a heatsink if operating at high currents.
   • Monitor the temperature to avoid exceeding the maximum operating temperature.

7. Protection Features:

   • The device includes overvoltage, overcurrent, and thermal shutdown protection.
   • In case of a fault, the device will automatically shut down to prevent damage.

8. Layout Considerations:

   • Place the input and output capacitors as close as possible to the device to minimize parasitic inductance.
   • Use wide and short traces for high-current paths to reduce resistance and inductance.

9. Testing:

   • Before finalizing the design, test the power supply under various load conditions to ensure stability and efficiency.
   • Verify that the output voltage remains within the desired range and that the protection features function correctly.

For detailed information and specific application circuits, refer to the datasheet provided by the manufacturer.

(For reference only)