ATL431LI - Texas Instruments

ATL431LI High Bandwidth Low-Iq Programmable Shunt Regulator

The ATL43xLI device is a three-terminal adjustable shunt regulator, with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5 V) and 36 V, with two external resistors. These devices have a typical output impedance of 0.3 Ω. Active output.

Features

•1 Reference voltage tolerance at 25°C
  – 0.5% (B Grade)
  – 1% (A Grade)
• Minimum typical output voltage: 2.5 V
• Adjustable output voltage: Vref to 36 V
• Operation from −40°C to +125°C (Q temp)
• Maximum temperature drift
  – 17 mV (I Temp)
  – 27 mV (Q Temp)
• 0.3-Ω Typical output impedance
• Sink-current capability
  – Imin = 0.08 mA (max)
  – IKA = 15 mA (max)
• Reference input current IREF: 0.4 μA (max)
• Deviation of reference input current over temperature, II(dev): 0.3 μA (max)
• Packages: 1-mm x 1-mm X2SON or SOT23-3 2 Applications
• Adjustable voltage and current referencing
• Secondary side.