Specifications
SKU: 11645046
Parameter | Symbol | Min | Typ | Max | Unit | Description |
---|---|---|---|---|---|---|
Supply Voltage | Vcc | 4.5 | 5 | 5.5 | V | Operating supply voltage range |
Standby Current | Icc | - | 0.1 | 0.5 | mA | Supply current in standby mode |
Operating Temperature | Topr | -40 | - | 85 | °C | Operating temperature range |
Storage Temperature | Tstg | -65 | - | 150 | °C | Storage temperature range |
Output Current | Iout | 0 | 1.5 | 2 | A | Maximum continuous output current |
Switching Frequency | fsw | 300 | 500 | 700 | kHz | Typical switching frequency |
Efficiency | η | 85 | 90 | 92 | % | Efficiency at nominal load conditions |
Output Ripple Voltage | Vripple | 0.5 | 1 | 2 | % | Output ripple voltage as a percentage of output voltage |
Load Transient | ΔVout | - | 1 | 2 | % | Change in output voltage for a step change in load |
Line Transient | ΔVout | - | 0.5 | 1 | % | Change in output voltage for a step change in input voltage |
Instructions for Use:
Power Supply Connection:
- Connect the positive terminal of the power supply to the Vcc pin.
- Connect the negative terminal of the power supply to the GND pin.
Output Configuration:
- Connect the load to the Vout pin.
- Ensure that the load does not exceed the maximum output current (Iout) specified.
Thermal Management:
- Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
- Consider using a heatsink or thermal pad to maintain the operating temperature within the specified range.
Input Capacitors:
- Place a ceramic capacitor (10 μF, X7R) close to the Vcc and GND pins to filter out noise and stabilize the input voltage.
Output Capacitors:
- Place a ceramic capacitor (10 μF, X7R) and an electrolytic capacitor (100 μF) close to the Vout and GND pins to minimize output ripple and transient responses.
PCB Layout:
- Keep the traces between the power supply and the device short to reduce parasitic inductance.
- Use wide traces for high-current paths to minimize resistance and heating.
Protection:
- Implement overvoltage, overcurrent, and thermal protection circuits to ensure safe operation under fault conditions.
Testing:
- Before finalizing the design, test the circuit under various load and input voltage conditions to verify performance and stability.
Storage:
- Store the device in a dry, cool environment to prevent damage from moisture and extreme temperatures.
Inquiry - SBT20150LFCT