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Specifications
SKU: 1246685
Primary Side Startup Controller
| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Input Voltage | VIN | 4.5 | 12 | 60 | V | Operating input voltage range |
| Output Current | IOUT | - | 1 | 3 | A | Maximum continuous output current |
| Efficiency | η | - | 90 | - | % | Typical efficiency at nominal conditions |
| Switching Frequency | fSW | 100 | 500 | 1000 | kHz | Adjustable switching frequency |
| Quiescent Current | IQ | - | 100 | - | μA | Supply current in active mode |
| Shutdown Current | ISD | - | 1 | - | μA | Supply current in shutdown mode |
| Thermal Shutdown | TSD | 150 | - | - | °C | Temperature at which thermal shutdown occurs |
| Operating Temperature | TOPR | -40 | - | 125 | °C | Operating ambient temperature range |
| Storage Temperature | TSTG | -65 | - | 150 | °C | Storage temperature range |
| Protection Features | - | - | - | - | - | Overvoltage, overcurrent, short-circuit, thermal |
| Package Type | - | - | - | - | - | SOP-8 |
Instructions for Use:
Power Supply Connection:
- Connect the input voltage (VIN) to the appropriate pin.
- Ensure the input voltage is within the specified range (4.5V to 60V).
Output Configuration:
- Set the output current limit by adjusting the external resistor (if applicable).
- Verify the maximum continuous output current does not exceed 3A.
Switching Frequency Adjustment:
- Use an external resistor or capacitor to set the desired switching frequency between 100kHz and 1000kHz.
Thermal Management:
- Ensure adequate heat dissipation to prevent the device from exceeding the thermal shutdown temperature (150°C).
- Place the device on a heatsink if necessary.
Protection Features:
- The device includes built-in protection against overvoltage, overcurrent, short-circuit, and thermal issues.
- Do not bypass these protections as they are critical for safe operation.
Operating and Storage Conditions:
- Operate the device within the specified temperature range (-40°C to 125°C).
- Store the device within the storage temperature range (-65°C to 150°C).
Package Handling:
- Handle the SOP-8 package with care to avoid damage to the pins.
- Follow standard ESD (Electrostatic Discharge) precautions during handling and assembly.
Testing and Troubleshooting:
- Test the device under controlled conditions to ensure it meets the specified performance parameters.
- If issues arise, check connections, input voltage, and component values.
Inquiry - UCC2960
