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SBT20150LFCT

Specifications

SKU: 11645046

BUY SBT20150LFCT https://www.utsource.net/itm/p/11645046.html

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:

  1. 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.
  2. Output Configuration:

    • Connect the load to the Vout pin.
    • Ensure that the load does not exceed the maximum output current (Iout) specified.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. Protection:

    • Implement overvoltage, overcurrent, and thermal protection circuits to ensure safe operation under fault conditions.
  8. Testing:

    • Before finalizing the design, test the circuit under various load and input voltage conditions to verify performance and stability.
  9. Storage:

    • Store the device in a dry, cool environment to prevent damage from moisture and extreme temperatures.
(For reference only)

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