Details

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BUY YD1821B https://www.utsource.net/itm/p/12607389.html

Parameter	Description	Value
Model Number	Unique identifier for the component	YD1821B
Type	Type of component	Voltage Regulator
Input Voltage Range	Range of input voltages the regulator can handle	4.5V to 40V
Output Voltage	Fixed output voltage	5V
Output Current	Maximum continuous output current	1A
Quiescent Current	Current consumed by the regulator when no load is applied	5mA (typical)
Dropout Voltage	Minimum difference between input and output voltages for regulation	1.2V (max) at 1A
Operating Temperature Range	Range of temperatures the regulator can operate in	-40掳C to +125掳C
Storage Temperature Range	Range of temperatures the regulator can be stored in	-65掳C to +150掳C
Package Type	Physical package of the component	TO-220
Thermal Resistance (胃JA)	Thermal resistance from junction to ambient	65掳C/W
Protection Features	Built-in protection mechanisms	Overcurrent, Overtemperature
Mounting Type	Method of mounting the component	Through-hole

Instructions for Use:

1. Power Supply Connection:

   • Connect the input voltage to the "VIN" pin.
   • Connect the output voltage to the "VOUT" pin.
   • Ground both the input and output circuits to the "GND" pin.

2. Capacitor Requirements:

   • Place a 10渭F electrolytic capacitor between VIN and GND as close to the regulator as possible.
   • Place a 100nF ceramic capacitor between VOUT and GND to stabilize the output.

3. Heat Dissipation:

   • Ensure adequate heat dissipation if the regulator will be operating near its maximum output current.
   • Consider using a heatsink if the power dissipation exceeds 1W.

4. Overcurrent and Overtemperature Protection:

   • The YD1821B has built-in overcurrent and overtemperature protection. If the regulator exceeds safe operating conditions, it will shut down to prevent damage.

5. Storage and Handling:

   • Store the component in a dry environment within the specified storage temperature range.
   • Handle with care to avoid mechanical damage or static discharge.

6. Testing:

   • Before final assembly, test the regulator with a known load to ensure it meets the required specifications.

7. Soldering:

   • Use a soldering iron with a temperature not exceeding 300掳C to avoid damaging the component.
   • Ensure that the solder joints are clean and free of flux residues.

(For reference only)