Details

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BUY HYB0305B https://www.utsource.net/itm/p/12608308.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	-	4.5	-	28	V
Output Voltage	VOUT	-	-	5	-	V
Output Current	IOUT	-	-	300	-	mA
Efficiency	畏	-	-	85	-	%
Dropout Voltage	VDROPOUT	IOUT = 300mA	-	0.5	-	V
Quiescent Current	IQ	VIN = 5V, VOUT = 5V, IOUT = 0mA	-	1	-	mA
Operating Temperature	TOPR	-	-40	-	85	掳C
Storage Temperature	TSTG	-	-40	-	125	掳C

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 4.5V to 28V.
   • Do not exceed the maximum input voltage to avoid damage.

2. Output Voltage (VOUT):

   • The output voltage is fixed at 5V.
   • No external voltage adjustment is required.

3. Output Current (IOUT):

   • The maximum continuous output current is 300mA.
   • Exceeding this limit can cause overheating or damage.

4. Efficiency (畏):

   • The typical efficiency is 85% under normal operating conditions.
   • Efficiency may vary with different load conditions and input voltages.

5. Dropout Voltage (VDROPOUT):

   • The dropout voltage is 0.5V at full load (300mA).
   • Ensure the input voltage is at least 0.5V higher than the output voltage to maintain regulation.

6. Quiescent Current (IQ):

   • The quiescent current is 1mA when the output is not loaded.
   • This current is drawn from the input supply even when no load is present.

7. Operating Temperature (TOPR):

   • The device can operate within a temperature range of -40掳C to 85掳C.
   • Avoid operating in extreme temperatures to ensure reliable performance.

8. Storage Temperature (TSTG):

   • The device can be stored within a temperature range of -40掳C to 125掳C.
   • Store in a dry environment to prevent moisture damage.

Additional Notes:

• PCB Layout:

  • Use a good thermal design to dissipate heat effectively.
  • Place the device away from high-temperature components to avoid overheating.

• Capacitors:

  • Use appropriate input and output capacitors to stabilize the voltage and reduce ripple.
  • Recommended values: 10渭F ceramic capacitors on both input and output.

• Mounting:

  • Ensure proper mounting to avoid mechanical stress on the pins.
  • Use a heatsink if the device will be operated at high loads or in high ambient temperatures.

(For reference only)