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LT1054CSW

Specifications

SKU: 12610402

BUY LT1054CSW https://www.utsource.net/itm/p/12610402.html

Parameter Symbol Min Typical Max Unit Conditions
Input Voltage VIN 2.7 36 V
Output Voltage VOUT 12 V Fixed output
Quiescent Current IQ 120 μA No load
Load Current ILOAD 100 mA
Dropout Voltage VDROPOUT 1.2 V ILOAD = 100 mA
Shutdown Current ISD 1.5 μA SHDN = 0V
Operating Temperature TOPR -40 125 °C
Storage Temperature TSTG -65 150 °C
Package Type SO-8

Instructions for Using LT1054CSW

  1. Input Voltage (VIN):

    • The input voltage should be within the range of 2.7V to 36V.
    • Ensure that the input voltage is stable and within the specified limits to avoid damage to the device.
  2. Output Voltage (VOUT):

    • The LT1054CSW provides a fixed output voltage of 12V.
    • Use appropriate external components (e.g., capacitors, resistors) to stabilize the output.
  3. Quiescent Current (IQ):

    • The quiescent current is typically 120 μA when there is no load.
    • This low quiescent current makes the device suitable for battery-powered applications.
  4. Load Current (ILOAD):

    • The maximum load current is 100 mA.
    • Ensure that the load does not exceed this limit to prevent overheating or damage.
  5. Dropout Voltage (VDROPOUT):

    • The dropout voltage is 1.2V at a load current of 100 mA.
    • This means the input voltage must be at least 1.2V higher than the output voltage to maintain regulation.
  6. Shutdown Current (ISD):

    • When the shutdown pin (SHDN) is pulled to 0V, the shutdown current is 1.5 μA.
    • Use the shutdown feature to conserve power in low-power modes.
  7. Operating Temperature (TOPR):

    • The operating temperature range is from -40°C to 125°C.
    • Ensure that the device operates within this temperature range to avoid performance degradation or failure.
  8. Storage Temperature (TSTG):

    • The storage temperature range is from -65°C to 150°C.
    • Store the device in a dry, temperature-controlled environment to prevent damage.
  9. Package Type:

    • The LT1054CSW is available in an SO-8 package.
    • Follow standard handling and soldering guidelines for surface-mount devices to ensure reliable assembly.
  10. External Components:

    • Use appropriate input and output capacitors to filter noise and stabilize the voltage.
    • Refer to the datasheet for recommended values and types of capacitors.
  11. PCB Layout:

    • Ensure proper PCB layout to minimize noise and parasitic effects.
    • Keep the ground plane solid and wide to improve thermal performance and reduce noise.
  12. Thermal Management:

    • If operating at high temperatures or under heavy loads, consider adding a heatsink or using a larger PCB area for heat dissipation.

By following these instructions, you can ensure optimal performance and reliability of the LT1054CSW in your application.

(For reference only)

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