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TDA3665 Description

The TDA3665 is a fixed 8.5 V voltage regulator with a very low dropout voltage and quiescent current, which operates over a wide supply voltage range. VP ≤ 45 V, −40 °C ≤ Tamb ≤ +125 °C and SO4 package (automotive) TDA3665AT: VP ≤ 45 V, −40 °C ≤ Tamb ≤ +125 °C and SO8 package (automotive).

TDA3665 Key Features

  • Fixed 8.5 V, 100 mA regulator
  • Supply voltage range up to 33 V (45 V)
  • Very low quiescent current of 15 µA (typical value)
  • Very low dropout voltage
  • High ripple rejection
  • Very high stability
  • Electrolytic capacitors: Equivalent Series Resistance (ESR) < 30 Ω at IREG ≤ 25 mA (see Fig.6)
  • Other capacitors: 100 nF at 200 µA ≤ IREG ≤ 100 mA
  • Pin patible family TDA3662 to TDA3666
  • Protections