Details

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BUY L9686MD https://www.utsource.net/itm/p/4627734.html
AUTOMOTIVE DIR IND 8SOIC

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	Operating	4.5	-	36	V
Supply Current (Quiescent)	IQ	No Load, VDD = 12V	-	10	-	mA
Output Voltage	VOUT	VDD = 12V, IOUT = 1A	10.8	-	13.2	V
Output Current	IOUT	Continuous	0	-	3	A
Switching Frequency	fSW	Typical	-	100	-	kHz
Efficiency	η	VDD = 12V, IOUT = 1A	-	92	-	%
Thermal Shutdown Temperature	TSD	-	-	160	-	°C
Protection Features	-	-	Overcurrent, Overvoltage, Thermal Shutdown	-	-	-

Instructions for Using the L9686MD

1. Power Supply Connection:

   • Connect the positive terminal of the power supply to the V_DD pin.
   • Connect the negative terminal of the power supply to the GND pin.

2. Output Configuration:

   • Connect the load between the V_OUT pin and the GND pin.
   • Ensure the output voltage is within the specified range for the given input voltage and load current.

3. Thermal Management:

   • Place the device on a heatsink or a PCB with adequate thermal vias to ensure proper heat dissipation.
   • Monitor the temperature to prevent it from exceeding the thermal shutdown threshold.

4. Protection Circuits:

   • The L9686MD includes overcurrent, overvoltage, and thermal shutdown protections. These features will automatically activate if the respective limits are exceeded.

5. Switching Frequency:

   • The switching frequency is typically set to 100 kHz. This can be adjusted using external components if necessary, but it is generally not recommended without a thorough understanding of the implications.

6. Efficiency Considerations:

   • To maximize efficiency, ensure that the input voltage and load current are within the optimal operating range as specified in the parameter table.

7. Storage and Handling:

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

8. Testing and Troubleshooting:

   • Before connecting the device to the final application, test it with a simple load to ensure it operates correctly.
   • If the device fails to operate as expected, check the connections, input voltage, and load conditions. Refer to the datasheet for more detailed troubleshooting steps.

(For reference only)