L99VR02J中文資料意法半導(dǎo)體數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)

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 protection

? Advanced thermal warning output and overvoltage diagnostic

? Programmable short-circuit output current

? Wide operating temperature range (from Tj= -40 °C to 175 °C)

? Documentation available for Customers that need support when dealing with

ASIL Requirements as per ISO 26262

Description

The 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, and consumes as low as 1 μA of quiescent current when the regulator is

disabled. The input is 40V tolerant for load dump, while the operating input voltage

allowed is in the range between 2.15 V and 28 V. The L99VR02J 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 L99VR02J integrates features such

as enable, reset, autonomous watchdog, advanced thermal warning, fast output

discharge and IShort control. The regulator output current is internally limited so that

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 battery.