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NT68667UFG

Specifications

SKU: 11541742

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Parameter Description Value
Device Type High-Voltage LDO Linear Regulator -
Input Voltage (VIN) Minimum Input Voltage 4.5V
Maximum Input Voltage 30V
Output Voltage (VOUT) Fixed Output Voltage Options 3.3V, 5V
Adjustable Output Voltage Range 1.2V to 28V
Output Current (IOUT) Maximum Continuous Output Current 150mA
Quiescent Current (IQ) Quiescent Current 60μA
Dropout Voltage (VDO) Dropout Voltage at IOUT = 150mA 280mV
PSRR (Power Supply Rejection Ratio) PSRR at 1kHz (Minimum) 60dB
Operating Temperature (TJ) Junction Temperature Range -40°C to +125°C
Storage Temperature (TS) Storage Temperature Range -65°C to +150°C
Package SOT-23-5 -
Protection Features Thermal Shutdown Yes
Overcurrent Protection Yes

Instructions for Use

  1. Circuit Design:

    • Ensure that the input voltage is within the specified range (4.5V to 30V).
    • Select the appropriate output voltage option (3.3V, 5V, or adjustable).
    • For adjustable output voltage, use external resistors to set the desired output voltage.
  2. Capacitor Selection:

    • Use a 1μF ceramic capacitor on the input side for stability.
    • Use a 1μF ceramic capacitor on the output side for stability and transient response.
  3. Thermal Considerations:

    • Ensure adequate heat dissipation if operating at high output currents or high ambient temperatures.
    • The device has built-in thermal shutdown protection to prevent damage from excessive temperature.
  4. Layout Recommendations:

    • Place the input and output capacitors as close as possible to the device to minimize parasitic inductance.
    • Use wide and short traces for power and ground connections to reduce resistance and inductance.
  5. Handling Precautions:

    • Handle the device with care to avoid damage from electrostatic discharge (ESD).
    • Follow proper soldering techniques to ensure reliable connections.
  6. Testing:

    • Before finalizing the design, test the circuit under various conditions to ensure stable operation and compliance with specifications.
(For reference only)

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