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Automotive Linear Voltage Regulator with Configurable Output Voltage having 500mA current capability

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Parameter NameParameter Value
Operating RangeAutomotive
Packing TypeTape And Reel
RoHs compliantEcopack2
Package NamePowerSSO 12

L99VR02J is a low dropout linear voltage regulator designed for automotive applications available in PowerSSO-12 packages. The LDO delivers up to 500 mA of load current. It consumes as low as 1 μA of quiescent current when the regulator is disabled. The input is 40 V tolerant to withstand load dump, while the operating input voltage range is between 2.15 V and 28 V.

The L99VR02J can be configured, through SELx pins, to generate a fixed selectable output voltage (0.8 V; 1.2 V; 1.5 V; 1.8 V; 2.5 V; 2.8 V; 3.3 V or 5 V). High output voltage accuracy (±2%) is kept over wide temperature range, line, and load variation.

The L99VR02J features enable, reset, autonomous watchdog, advanced thermal warning, fast output discharge, and Ishort control. The regulator output current is internally limited. The device is protected against short-circuit and overload, besides it features over temperature protection. The short current value is configurable by an external resistance.

The L99VR02J can operate both in post regulation, attached to a preregulated voltage or directly connected to the battery.

Key features
  • AEC-Q100 qualified
  • Operating DC power supply voltage range from 2.15 V to 28 V
  • Battery and post regulation operating modes are allowed
  • Low dropout voltage
  • Low quiescent current consumption
  • User-selectable output voltage (0.8 V; 1.2 V; 1.5 V; 1.8 V; 2.5 V; 2.8 V; 3.3 V or 5 V)
  • Output voltage precision ±2%
  • Enable input for enabling/disabling the voltage regulator
  • Output voltage monitoring with reset output
  • Negligible ESR effect on output voltage stability for load capacitor
  • Programmable autonomous watchdog through external capacitor
  • Undervoltage lockout UVLO
  • Fast output discharge
  • Thermal shutdown and short-circuit current limitation
  • Advanced thermal warning and output overvoltage diagnostic
  • Programmable short-circuit output current
  • Wide operating temperature range (TJ = -40 °C to 175 °C)
  • Limited documentation available for customers that need support when dealing with ASIL requirements as per ISO 26262