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LC7930N

Specifications

SKU: 123525

BUY LC7930N https://www.utsource.net/itm/p/123525.html
LCD DriverLCD
Parameter Symbol Conditions Min Typ Max Unit
Supply Voltage Vcc - 2.7 - 5.5 V
Output Current Iout - - 150 300 mA
Quiescent Current Iq Vout = 3.3V, Iout = 0mA - 2.5 - μA
Dropout Voltage Vd Iout = 300mA, Vout = 3.3V - 0.4 - V
Load Regulation ΔVout/ΔIout Iout = 0 to 300mA - 0.1 - %
Line Regulation ΔVout/ΔVin Vin = 2.7 to 5.5V - 0.05 - %
Ripple Rejection RR f = 1kHz - 60 - dB
Operating Temperature Toper - -40 - 85 °C
Storage Temperature Tstg - -65 - 150 °C

Instructions for Use:

  1. Power Supply:

    • Ensure the input voltage (Vcc) is within the specified range of 2.7V to 5.5V.
    • Connect a bypass capacitor (typically 1μF) between Vcc and GND close to the device to stabilize the supply.
  2. Output Configuration:

    • The output voltage (Vout) can be set using external resistors or by connecting it to a fixed voltage reference.
    • For fixed output voltages, refer to the specific application note for resistor values.
  3. Load Regulation:

    • The device maintains a stable output voltage even when the load current changes from 0 to 300mA.
    • Ensure that the load does not exceed the maximum output current to avoid damage.
  4. Thermal Management:

    • The operating temperature range is -40°C to 85°C. Ensure adequate heat dissipation if operating at high temperatures or high output currents.
    • Consider adding a heatsink if the device is expected to operate near its maximum current for extended periods.
  5. Ripple Rejection:

    • The device provides good ripple rejection, reducing input voltage variations to maintain a clean output.
    • For optimal performance, use a low-ESR (Equivalent Series Resistance) capacitor on the output.
  6. Storage:

    • Store the device in a dry environment within the storage temperature range of -65°C to 150°C to ensure long-term reliability.
  7. Handling:

    • Handle the device with care to avoid static damage. Use proper ESD (Electrostatic Discharge) protection measures during handling and assembly.
  8. Testing:

    • Before finalizing the design, test the device under various conditions to ensure it meets the required specifications and performance criteria.
(For reference only)

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