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LT1778A

Specifications

SKU: 6409225

BUY LT1778A https://www.utsource.net/itm/p/6409225.html

Parameter Symbol Conditions Min Typ Max Unit
Supply Voltage VCC Continuous Operation 2.7 - 5.5 V
Quiescent Current IQ VOUT = 0V - 40 - μA
Output Voltage Range VOUT - 0 - VCC - 1.3 V
Output Current IOUT - 0 50 100 mA
Power Dissipation PD TA = 25°C - - 625 mW
Operating Temperature TOP - -40 - 125 °C
Storage Temperature TSTG - -65 - 150 °C

Instructions for Use

  1. Supply Voltage (VCC):

    • Ensure the supply voltage is within the range of 2.7V to 5.5V.
    • Do not exceed the maximum supply voltage to avoid damage.
  2. Quiescent Current (IQ):

    • The quiescent current is typically 40 μA. This is the current consumed by the device when there is no load on the output.
  3. Output Voltage Range (VOUT):

    • The output voltage can range from 0V to VCC - 1.3V. Ensure that the output voltage does not exceed this range to prevent damage.
  4. Output Current (IOUT):

    • The typical output current is 50 mA, with a maximum of 100 mA. Exceeding the maximum output current can lead to overheating and potential damage.
  5. Power Dissipation (PD):

    • The maximum power dissipation at room temperature (25°C) is 625 mW. Ensure proper heat sinking or cooling if operating near this limit.
  6. Operating Temperature (TOP):

    • The device can operate over a temperature range of -40°C to 125°C. Ensure the ambient temperature does not exceed these limits.
  7. Storage Temperature (TSTG):

    • Store the device in a temperature range of -65°C to 150°C to maintain its performance and reliability.
  8. Layout Considerations:

    • Use short, wide traces for power and ground connections to minimize inductance and resistance.
    • Place bypass capacitors close to the power pins to ensure stable operation.
  9. Handling Precautions:

    • Handle the device with care to avoid static discharge, which can damage sensitive components.
    • Follow ESD (Electrostatic Discharge) precautions during handling and assembly.
  10. Testing and Troubleshooting:

    • Verify the supply voltage and output voltage using a multimeter before connecting any loads.
    • If the device is not functioning as expected, check for proper power supply, correct pin connections, and any short circuits or open circuits.
(For reference only)

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