Specifications
SKU: 12555216
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 | μA | 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 | °C | Operating temperature range |
Storage Temperature | TSTG | -65 | - | 150 | °C | Storage temperature range |
Package Type | - | - | - | - | TO-220 | Package type |
Instructions for Using BY228TAP
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.
Output Connection:
- Connect the load to the "VOUT" pin.
- Ensure the load is within the specified output current range (up to 1.5A).
Adjusting Output Voltage:
- Use an external resistor divider network between VOUT 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.
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.
Capacitors:
- Place a 10μF tantalum or electrolytic capacitor between VIN and GND close to the device to stabilize the input voltage.
- Place a 10μF tantalum or electrolytic capacitor between VOUT and GND to filter the output voltage.
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.
Testing:
- Before finalizing the design, test the regulator under various load and input conditions to ensure stable operation and compliance with specifications.
Inquiry - BY228TAP