Description
BUY MA7472 https://www.utsource.net/itm/p/12606150.html
| Parameter |
Description |
Value |
Unit |
| Supply Voltage |
Operating voltage range |
2.7 to 5.5 |
V |
| Output Current |
Maximum output current |
300 |
mA |
| Operating Temp |
Operating temperature range |
-40 to +85 |
°C |
| Quiescent Current |
Current consumption in normal operation |
1.2 |
μA |
| Dropout Voltage |
Voltage difference between input and output |
0.3 (at 100mA) |
V |
| PSRR |
Power supply rejection ratio at 120Hz |
68 |
dB |
| Load Regulation |
Change in output voltage with load |
0.3 |
% |
| Line Regulation |
Change in output voltage with input voltage |
0.05 |
% |
Instructions for MA7472
Power Supply Connection:
- Connect the input pin to the power supply within the specified voltage range (2.7V to 5.5V).
- Ensure the power supply is stable to avoid fluctuations that can affect performance.
Grounding:
- Connect the ground pin to a common ground point in your circuit to ensure proper operation.
Output Connection:
- Connect the output pin to the load or next stage of the circuit.
- Do not exceed the maximum output current rating of 300mA to prevent damage.
Decoupling Capacitors:
- Place a 1μF ceramic capacitor between the input and ground pins close to the device to reduce noise and improve stability.
- Optionally, place a 1μF capacitor between the output and ground for better transient response.
Thermal Considerations:
- Ensure adequate heat dissipation if operating near the maximum output current to avoid overheating.
- The device can operate within an ambient temperature range of -40°C to +85°C.
Handling Precautions:
- Handle the component with care to avoid static damage.
- Follow standard ESD precautions when soldering or handling the device.
Testing:
- Before final assembly, test the regulator under expected operating conditions to ensure it meets specifications.
- Verify the dropout voltage and regulation parameters during testing.
(For reference only)
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