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UA723CD

Specifications

SKU: 496759

BUY UA723CD https://www.utsource.net/itm/p/496759.html
Adjustable, 150mA Precision Voltage Regulator
Parameter Symbol Min Typical Max Unit
Input Voltage V_IN 5 - 40 V
Output Voltage V_OUT 1.2 - 37 V
Output Current I_OUT - 100 150 mA
Quiescent Current I_Q - 1.5 3 mA
Dropout Voltage V_DROPOUT - 1.2 - V
Line Regulation - - 0.01% - %/V
Load Regulation - - 0.01% - %/mA
Ripple Rejection - - 80 - dB
Operating Temperature T_OP -40 - 125 °C
Storage Temperature T_STG -65 - 150 °C

Instructions for Using the UA723CD

  1. Power Supply Connection:

    • Connect the input voltage (V_IN) to the appropriate pin.
    • Ensure the input voltage is within the specified range (5V to 40V).
  2. Output Configuration:

    • Set the desired output voltage (V_OUT) using external resistors.
    • The output voltage can be adjusted from 1.2V to 37V.
  3. Output Current:

    • The maximum continuous output current is 150mA.
    • For higher currents, use an external pass transistor.
  4. Quiescent Current:

    • The quiescent current is typically 1.5mA and can go up to 3mA.
  5. Thermal Considerations:

    • Ensure adequate heat dissipation if operating at high output currents or high ambient temperatures.
    • The operating temperature range is -40°C to 125°C.
  6. Stability:

    • Use a bypass capacitor (typically 0.1μF) between the input and ground to improve stability.
    • A load capacitor (typically 10μF) may be required for stability under light load conditions.
  7. Protection:

    • The device includes internal short-circuit and thermal overload protection.
    • External components may be necessary for additional protection in specific applications.
  8. Mounting:

    • Mount the device on a printed circuit board (PCB) with proper soldering techniques.
    • Ensure good thermal management by using a heatsink if necessary.
  9. Testing:

    • After assembly, test the output voltage and current to ensure it meets the design specifications.
    • Check for any signs of overheating or instability.
  10. Storage:

    • Store the device in a dry, cool place within the storage temperature range (-65°C to 150°C).
(For reference only)

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