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Specifications
SKU: 12612224
| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Input Voltage | VI | 2.7 | - | 5.5 | V | Operating voltage range |
| Output Voltage | VO | - | 3.3 | - | V | Regulated output voltage |
| Output Current | IO | - | 300 | - | mA | Maximum continuous output current |
| Quiescent Current | IQ | - | 1.5 | - | μA | Typical quiescent current at no load |
| Dropout Voltage | VDO | - | 200 | - | mV | Typical dropout voltage at IO = 300 mA |
| Load Regulation | - | - | 1 | - | % | Change in output voltage with load (0 to 300 mA) |
| Line Regulation | - | - | 0.1 | - | %/V | Change in output voltage with input voltage (2.7 to 5.5 V) |
| Ripple Rejection | - | - | 60 | - | dB | Attenuation of input ripple at 1 kHz |
| Operating Temperature | TA | -40 | - | 85 | °C | Ambient temperature range |
| Storage Temperature | TSTG | -55 | - | 150 | °C | Temperature range for storage |
Instructions for Use:
Power Supply:
- Ensure the input voltage is within the specified range (2.7 V to 5.5 V).
- Connect the input capacitor (1 μF ceramic) close to the input pin to stabilize the input voltage.
Output Configuration:
- The output voltage is fixed at 3.3 V. No external resistors are required for voltage adjustment.
- Connect an output capacitor (1 μF ceramic) close to the output pin to filter the output and ensure stability.
Thermal Management:
- The device is designed to operate efficiently, but for high current applications, ensure adequate heat dissipation.
- Use a heatsink if the ambient temperature exceeds 85°C or if the device is operating near its maximum current limit.
Protection:
- The STD03NY includes internal short-circuit and thermal shutdown protection.
- Do not exceed the maximum output current of 300 mA to avoid overheating and potential damage.
PCB Layout:
- Keep the PCB traces short and wide to minimize resistance and inductance.
- Ensure proper grounding and use a ground plane to reduce noise and improve performance.
Handling:
- Handle the device with care to avoid static damage.
- Follow ESD (Electrostatic Discharge) precautions during assembly and handling.
Testing:
- Before finalizing the design, test the circuit under various conditions to ensure it meets the required specifications.
- Verify the output voltage, ripple rejection, and load regulation to confirm proper operation.
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