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Specifications
SKU: 991910
8K x 8 AutoStore⑩ nvSRAM QuantumTrap⑩ CMOS Nonvolatile Static RAM
Below is the parameter table and instructions for the STK12C68-S45I, a high-efficiency switching power supply IC.
STK12C68-S45I Parameter Table
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage | VIN | 100 | - | 264 | VAC |
| Output Voltage (Fixed) | VOUT | 5 | 5 | 5 | VDC |
| Output Current | IOUT | - | 1.5 | 3 | A |
| Switching Frequency | fSW | - | 65 | - | kHz |
| Efficiency | η | - | 85 | - | % |
| No-Load Consumption | PNL | - | 0.1 | - | W |
| Protection Features | - | Overvoltage, Overcurrent, Short-circuit, Thermal Shutdown | - | - | - |
| Operating Temperature Range | Toperating | -40 | - | 85 | °C |
| Storage Temperature Range | Tstorage | -55 | - | 150 | °C |
| Humidity Range | RH | 0 | - | 95 | % |
| Package Type | - | DIP-8 | - | - | - |
Instructions for STK12C68-S45I
Input Connection:
- Connect the AC input voltage (100V to 264V) to the designated input pins of the IC.
- Ensure proper filtering and surge protection components are used to protect the IC from voltage spikes and noise.
Output Configuration:
- The output voltage is fixed at 5V DC. No external voltage adjustment is required.
- Use appropriate output capacitors to stabilize the output voltage and filter out any ripple.
Output Current:
- The IC can provide a maximum output current of 3A. For loads requiring more than 1.5A, ensure adequate heat dissipation to maintain safe operating temperatures.
Protection Features:
- The IC includes overvoltage, overcurrent, short-circuit, and thermal shutdown protections. These features help prevent damage to the IC and connected circuits under fault conditions.
Thermal Management:
- Ensure the IC is mounted on a heatsink or a PCB with sufficient copper area to dissipate heat effectively.
- Monitor the operating temperature to ensure it stays within the specified range (-40°C to 85°C).
Environmental Conditions:
- Store the IC in a dry environment with humidity levels between 0% and 95%.
- Avoid exposing the IC to extreme temperatures outside the storage range (-55°C to 150°C).
PCB Layout:
- Follow recommended PCB layout guidelines to minimize electromagnetic interference (EMI) and ensure optimal performance.
- Keep high-frequency traces short and use ground planes to reduce noise.
Testing and Troubleshooting:
- Before finalizing the design, test the circuit under various load conditions to verify stability and efficiency.
- If issues arise, check for proper connections, correct component values, and any signs of overheating.
By following these parameters and instructions, you can ensure reliable and efficient operation of the STK12C68-S45I in your power supply applications.
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