Share:


AP431VL-A

Specifications

SKU: 11203502

BUY AP431VL-A https://www.utsource.net/itm/p/11203502.html
IC VREF SHUNT ADJ TO92-3
Parameter Symbol Min Typ Max Unit Description
Operating Voltage Vcc 2.7 - 5.5 V Supply voltage range
Output Current Iout - 100 150 mA Continuous output current
Shutdown Current Isd - 0.1 1.0 μA Quiescent current in shutdown mode
Enable Input Voltage Ven 1.2 - - V Minimum enable voltage
Output Voltage Vout - 3.3 - V Regulated output voltage (fixed)
Line Regulation ΔVout/ΔVin - 0.01 0.05 %/V Change in output voltage with respect to input voltage
Load Regulation ΔVout/ΔIout - 0.05 0.1 %/mA Change in output voltage with respect to load current
Dropout Voltage Vdo - 250 350 mV Voltage difference between input and output at full load
Operating Temperature Range Toper -40 - 85 °C Ambient temperature range for operation
Storage Temperature Range Tstg -65 - 150 °C Temperature range for storage

Instructions:

  1. Power Supply Connection:

    • Connect the Vcc pin to the input power supply within the specified operating voltage range (2.7V to 5.5V).
    • Ensure a stable and clean power supply to avoid voltage drops or spikes.
  2. Output Configuration:

    • The output voltage (Vout) is fixed at 3.3V. No external resistors are required for voltage setting.
    • Connect the output pin (Vout) to the load or circuit requiring regulated 3.3V.
  3. Enable Pin:

    • The enable pin (EN) can be used to control the operation of the regulator.
    • Apply a voltage greater than 1.2V to the EN pin to activate the regulator.
    • Pull the EN pin to ground or leave it floating to put the regulator into shutdown mode, reducing quiescent current to less than 1.0 μA.
  4. Capacitors:

    • Use a 1 μF ceramic capacitor on the input side (Vcc) and a 1 μF ceramic capacitor on the output side (Vout) for stability and noise reduction.
    • Place these capacitors as close as possible to the respective pins to minimize parasitic inductance.
  5. Thermal Considerations:

    • Ensure adequate heat dissipation if the regulator is operating at high currents or in high ambient temperatures.
    • The maximum junction temperature should not exceed 125°C.
  6. Layout Guidelines:

    • Keep the layout compact and use wide traces for power lines to reduce resistance and inductance.
    • Avoid long traces between the input and output capacitors and the regulator pins.
  7. Storage and Handling:

    • Store the device in a dry environment within the specified storage temperature range (-65°C to 150°C).
    • Handle the device with care to avoid damage from electrostatic discharge (ESD).
  8. Safety Precautions:

    • Do not exceed the maximum ratings specified in the parameter table to prevent damage to the device.
    • Ensure proper grounding and isolation to avoid electrical hazards.
(For reference only)

 Inquiry - AP431VL-A