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Specifications
SKU: 158549
PWM Power Control with Low Duty Cycle Switch Off
| Parameter | Symbol | Min | Typ | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Input Voltage | V_IN | 4.5 | - | 5.5 | V | |
| Output Voltage | V_OUT | 3.3 | - | 3.3 | V | Fixed |
| Output Current | I_OUT | - | 800 | - | mA | |
| Quiescent Current | I_Q | - | 1.5 | - | mA | |
| Dropout Voltage | V_DROPOUT | - | 0.2 | - | V | @ I_OUT = 800mA |
| Load Regulation | - | - | 0.5 | - | % | 0 to 800mA |
| Line Regulation | - | - | 0.01 | - | %/V | 4.5 to 5.5V |
| Ripple Rejection | - | - | 70 | - | dB | @ 1kHz |
| Operating Temperature | T_OP | -40 | - | 85 | °C | |
| Storage Temperature | T_STG | -65 | - | 150 | °C |
Instructions for Use:
Power Supply:
- Ensure the input voltage (V_IN) is within the specified range of 4.5V to 5.5V.
- Connect the input voltage to the VIN pin and ground to the GND pin.
Output Configuration:
- The output voltage (V_OUT) is fixed at 3.3V.
- Connect the load to the VOUT pin and ground to the GND pin.
Current Limiting:
- The U6081B can provide up to 800mA of output current.
- Ensure the load does not exceed this limit to avoid damage to the device.
Thermal Management:
- The operating temperature range is -40°C to 85°C.
- For extended operation at high temperatures, consider adding a heatsink or ensuring adequate airflow.
Ripple and Noise:
- The device has a ripple rejection of 70dB at 1kHz.
- Use appropriate capacitors on the input and output to filter out noise and ripple.
Storage:
- Store the device in a dry environment with temperatures between -65°C and 150°C.
Mounting:
- Follow standard surface mount technology (SMT) procedures for mounting the U6081B.
- Ensure proper soldering to all pins for reliable performance.
Testing:
- After assembly, test the device under typical operating conditions to ensure it meets the specified parameters.
- Measure the output voltage and current to verify correct operation.
Inquiry - U6081B
