Details

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BUY BY228TAP https://www.utsource.net/itm/p/12555216.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	4.5	-	40	V	Operating input voltage range
Output Voltage	VOUT	1.23	-	37	V	Adjustable output voltage
Output Current	IOUT	-	-	1.5	A	Maximum continuous output current
Dropout Voltage	VDROP	-	1.2	-	V	Typical dropout voltage
Quiescent Current	IQ	-	5	10	渭A	Quiescent current at no load
Load Regulation	-	-	0.01	-	%/A	Change in output voltage with load
Line Regulation	-	-	0.01	-	%/V	Change in output voltage with line
Ripple Rejection	-	60	-	80	dB	Attenuation of input ripple
Operating Temperature	TOP	-40	-	125	掳C	Operating temperature range
Storage Temperature	TSTG	-65	-	150	掳C	Storage temperature range
Package Type	-	-	-	-	TO-220	Package type

Instructions for Using BY228TAP

1. Input Connection:

   • Connect the positive terminal of the input voltage to the "VIN" pin.
   • Connect the negative terminal of the input voltage to the "GND" pin.

2. Output Connection:

   • Connect the load to the "VOUT" pin.
   • Ensure the load is within the specified output current range (up to 1.5A).

3. Adjusting Output Voltage:

   • Use an external resistor divider network between V_OUT and GND to set the desired output voltage.
   • The formula for calculating the output voltage is: [ V_{text} = V_{text} left(1 + fracright) ] where ( V_{text} ) is typically 1.23V.

4. Thermal Considerations:

   • Ensure adequate heat dissipation, especially when operating at high output currents or in high ambient temperatures.
   • Use a heatsink if necessary to keep the junction temperature within the specified range.

5. Capacitors:

   • Place a 10渭F tantalum or electrolytic capacitor between VIN and GND close to the device to stabilize the input voltage.
   • Place a 10渭F tantalum or electrolytic capacitor between VOUT and GND to filter the output voltage.

6. Protection:

   • Include overvoltage and overcurrent protection circuits to safeguard the device and connected components.
   • Consider using a fuse or a polyfuse on the input side to prevent damage from short circuits.

7. Testing:

   • Before finalizing the design, test the regulator under various load and input conditions to ensure stable operation and compliance with specifications.

(For reference only)