Details
BUY ARK1839A https://www.utsource.net/itm/p/11198850.html
| Parameter | Description | Value |
|---|---|---|
| Supply Voltage | Operating voltage range | 2.7V to 5.5V |
| Output Current | Maximum output current | 300mA |
| Quiescent Current | Typical quiescent current | 10μA |
| Dropout Voltage | Maximum dropout voltage at 300mA | 300mV |
| Load Regulation | Change in output voltage with load | ±0.5% |
| Line Regulation | Change in output voltage with input voltage | ±0.05% |
| PSRR (1kHz) | Power supply rejection ratio at 1kHz | 65dB |
| Operating Temp. | Junction temperature range | -40°C to +85°C |
| Package | Type of package | SOT-23 |
Instructions for ARK1839A
Power Supply Connection: Connect the input pin to a power source within the specified supply voltage range (2.7V to 5.5V). Ensure the power source is stable and capable of supplying the required current.
Output Connection: Connect the output pin to the load. The maximum current that can be drawn from the output is 300mA. Ensure the load does not exceed this limit to avoid damage.
Ground Connection: Ensure a solid ground connection for both input and output pins. Poor grounding can lead to instability and poor performance.
Capacitors: Place a 1μF capacitor between the input and ground close to the device for stability. An additional 1μF capacitor between the output and ground is recommended for better transient response.
Thermal Considerations: Operate within the specified temperature range (-40°C to +85°C). For higher current applications, ensure adequate heat sinking or airflow to prevent overheating.
PCB Layout: Keep the PCB traces short and wide to minimize resistance and inductance. This helps in maintaining stability and efficiency.
Handling Precautions: Handle the device carefully to avoid static damage. Follow standard ESD handling procedures.
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