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Specifications
SKU: 11565947
| Parameter | Description | Value |
|---|---|---|
| Part Number | Integrated Circuit (IC) | CX20185 |
| Function | Low Dropout Linear Regulator (LDO) | - |
| Input Voltage | Range of input voltage | 2.7V to 5.5V |
| Output Voltage | Fixed output voltage | 3.3V |
| Output Current | Maximum continuous output current | 500mA |
| Quiescent Current | Current consumed by the regulator when no load is present | 60μA |
| Dropout Voltage | Minimum difference between input and output voltage for regulation | 250mV at 500mA |
| Operating Temperature | Temperature range for normal operation | -40°C to 85°C |
| Package Type | Type of package | SOT-23-5 |
| Storage Temperature | Temperature range for storage | -65°C to 150°C |
| PSRR (Power Supply Rejection Ratio) | Ability to reject ripple on the input supply | 70dB at 1kHz |
| Line Regulation | Change in output voltage due to change in input voltage | ±0.5% |
| Load Regulation | Change in output voltage due to change in load current | ±0.5% |
Instructions for Use
Circuit Design:
- Ensure that the input voltage is within the specified range (2.7V to 5.5V).
- Place a 1μF ceramic capacitor close to the input pin to stabilize the input voltage.
- Place a 1μF ceramic capacitor close to the output pin to stabilize the output voltage.
Thermal Considerations:
- The IC should be mounted on a PCB with adequate copper area for heat dissipation.
- For high current applications, consider using a heatsink or thermal pad.
PCB Layout:
- Keep the ground plane as large as possible to reduce noise and improve thermal performance.
- Use short and wide traces for power and ground connections to minimize inductance and resistance.
Handling:
- Handle the IC with care to avoid static damage.
- Store the IC in a dry environment to prevent moisture damage.
Testing:
- Before final assembly, test the IC in a simple circuit to ensure it meets the specifications.
- Use a multimeter to check the output voltage under different load conditions.
Safety:
- Do not exceed the maximum ratings listed in the datasheet.
- Ensure proper ventilation if the IC is used in a confined space.
For more detailed information, refer to the datasheet provided by the manufacturer.
(For reference only)Inquiry - CX20185
