The L99VR02XP is a low dropout dual linear regulator designed for automotive applications available in a PowerSSO-36 package. The LDO delivers an output current up to 2 x 250 mA, and consumes a quiescent current as low as 1 μA (per each output) 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. Each of the L99VR02XP outputs can be configured, through SELx pins, to generate a fixed 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 L99VR02XP features enable, reset, autonomous watchdog, advanced thermal warning, thermal cluster, fast output discharge, automatic voltage (de)tracking and IShort control. The regulator output current is internally limited so 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 L99VR02XP can operate both in post regulation, attached to a pre-regulated voltage, or directly connected to the battery.
Nominal operating DC power supply voltage range from 2.15 V to 28 V
Outputs protected versus short to battery
Battery and post regulation operating modes are allowed
Low dropout voltage
Low quiescent current consumption
Dual output voltages
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 and reset pulse delay through external capacitors
Fast output discharge
Thermal shutdown and short-circuit protection
Advanced Thermal warning and overvoltage diagnostic
Programmable short-circuit output current
Wide operating temperature range (from Tj= -40 °C to 175 °C)
Automatic voltage (de)tracking
Documentation available for customers that need support when dealing with ASIL requirements as per ISO 26262