MC79L15ACDR2G

The MC79L15ACDR2G is a low cost, three terminal, fixed negative linear voltage regulator in 8 pin SOIC package. This inexpensive, easy to use device is suitable for numerous applications requiring up to 100mA output current. Like the higher powered MC7900 series negative regulators, this regulator features internal thermal overload protection and internal short circuit current limiting, making it remarkably rugged. Thermal overload protections shuts down the circuit when subjected to an excessive power overload condition and internal short circuit protection limits the maximum current the circuit will pass. In most applications, no external components are required for operation. The MC79L15ACDR2G is useful for on-card regulation or any other application where a regulated negative voltage at a modest current level is needed. This regulator offers substantial advantage over the common resistor/zener diode approach.

• Nominal output voltage of -15V
• Complementary positive regulators offered (MC78L00 series)
• Maximum input voltage of -35V
• Maximum input regulation of 300mV (-17.5VDC ≥ VI ≥ -30VDC) & 250mV (-20VDC ≥ VI ≥ -30VDC) at 25°C
• Maximum load regulation of 150mV ( 1mA ≤ IO ≤ 100mA) and 75mV (1mA ≤ IO ≤ 40mA) at TJ = +25°C
• Ripple rejection of 39dB at -18.5VDC ≥ VI ≥ -28.5VDC, f = 120Hz, TJ = +25°C
• Dropout voltage of 1.7VDC at IO = 40mA, TJ = +25°C
• Input bias current of 6.5mA at TJ = +25°C
• Output noise voltage of 90µV at TA = +25°C, 10Hz ≤ f ≤ 100KHz
• Operating temperature range from 0° to +125°C

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Power Management

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Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.