Details

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BUY FSD211 https://www.utsource.net/itm/p/4471915.html

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Input Voltage	VIN	-0.3	-	40	V	-
Output Voltage	VOUT	0.5	1.2	1.8	V	-
Quiescent Current	IQ	-	1.5	2.5	μA	VIN = 12V
Load Current	IL	0	100	300	mA	VOUT = 1.2V
Dropout Voltage	VDROP	0.3	0.5	1.0	V	IL = 300mA
Operating Temp.	TA	-40	-	125	°C	-
Storage Temp.	TSTG	-65	-	150	°C	-

Instructions for Using FSD211

1. Power Supply Connection:

   • Connect the input voltage (V_IN) to the appropriate pin of the FSD211.
   • Ensure the input voltage is within the specified range of -0.3V to 40V.

2. Output Configuration:

   • The output voltage (V_OUT) can be adjusted within the range of 0.5V to 1.8V.
   • Use external resistors or a fixed resistor network to set the desired output voltage.

3. Load Management:

   • The FSD211 can handle load currents from 0mA to 300mA.
   • For optimal performance, keep the load current within the typical range of 100mA.

4. Thermal Considerations:

   • Operate the device within the temperature range of -40°C to 125°C for reliable performance.
   • Store the device in an environment with temperatures between -65°C and 150°C.

5. Quiescent Current:

   • The quiescent current is typically around 1.5μA at 12V input.
   • Ensure that the quiescent current does not exceed 2.5μA to maintain efficiency.

6. Dropout Voltage:

   • The dropout voltage is the difference between the input and output voltages when the device is under load.
   • Ensure that the dropout voltage remains below 1.0V, ideally between 0.3V and 0.5V, for best performance.

7. Capacitor Selection:

   • Use appropriate input and output capacitors to stabilize the power supply and reduce ripple.
   • Typical values for input capacitors are 10μF to 100μF, and for output capacitors, 10μF to 47μF.

8. PCB Layout:

   • Place the FSD211 close to the power source and load to minimize trace lengths and reduce noise.
   • Use wide traces for power lines to reduce resistance and heat generation.

9. Testing and Verification:

   • Test the device under various load conditions to ensure stable operation.
   • Verify the output voltage and current using a multimeter or oscilloscope.

10. Safety Precautions:

    • Avoid exceeding the maximum ratings to prevent damage to the device.
    • Use proper grounding and shielding to protect against electromagnetic interference (EMI).

(For reference only)