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TC9123BP

Specifications

SKU: 1398460

BUY TC9123BP https://www.utsource.net/itm/p/1398460.html
HIGH-SPEED BCD PROGRAMMABLE COUNTER
Parameter Symbol Conditions Min Typ Max Unit
Supply Voltage Vcc Operating 2.7 - 5.5 V
Output Current Iout Continuous - 1.0 1.5 A
Quiescent Current IQ No Load - 1.0 1.5 mA
Dropout Voltage Vdo Iout = 150 mA 0.4 - 0.6 V
Line Regulation ΔVout/ΔVin Iout = 150 mA, Vcc = 2.7V to 5.5V - 0.01 - %/V
Load Regulation ΔVout/ΔIout Vin = 3.3V, Iout = 0 to 150 mA - 0.01 - %/mA
Thermal Shutdown TSD Activation - 150 - °C
Short-Circuit Protection SCP Activation - 1.5 - A

Instructions for Use:

  1. Supply Voltage (Vcc):

    • Ensure the supply voltage is within the range of 2.7V to 5.5V to avoid damage to the device.
  2. Output Current (Iout):

    • The device can provide a continuous output current of up to 1.5A. For optimal performance, keep the load current below 1.0A.
  3. Quiescent Current (IQ):

    • The quiescent current is typically 1.0mA with no load. This should be considered when designing low-power applications.
  4. Dropout Voltage (Vdo):

    • The dropout voltage is the difference between the input and output voltages at which the regulator can no longer maintain regulation. It is typically 0.5V at 150mA.
  5. Line Regulation:

    • The line regulation is the change in output voltage due to changes in input voltage. It is typically 0.01% per volt.
  6. Load Regulation:

    • The load regulation is the change in output voltage due to changes in load current. It is typically 0.01% per milliamp.
  7. Thermal Shutdown (TSD):

    • The device will automatically shut down if the junction temperature exceeds 150°C to prevent damage.
  8. Short-Circuit Protection (SCP):

    • The device includes short-circuit protection, which limits the output current to approximately 1.5A to prevent damage during short circuits.
  9. PCB Layout Considerations:

    • Use a good thermal design to ensure proper heat dissipation. Place the device on a PCB with adequate copper area or a heatsink if necessary.
    • Keep the input and output capacitors close to the device to minimize noise and improve stability.
  10. Capacitors:

    • Use a 1μF ceramic capacitor on the input and a 1μF ceramic capacitor on the output for stability. Higher values may be used for additional filtering.
  11. Storage and Handling:

    • Store the device in a dry, cool place to avoid moisture damage.
    • Handle the device with care to avoid static discharge, which can damage the internal components.
(For reference only)

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