TLE9461ES datasheet(48/140 Pages) INFINEON

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TLE9461ES

Lite CAN SBC Family

Voltage Regulator 2

Datasheet

Rev.1.1

2019-09-27

Voltage Regulator 2

7.1

Block Description

Figure 15 Module Block Diagram

Functional Features

• 5 V low drop-out linear voltage regulator

• Protected against short to battery voltage, e.g. for off-board sensor supply

• Can also be used for CAN supply

• VCC2 undervoltage monitoring. Please refer to Chapter 12.7 for more information

• Can be active in SBC Normal, SBC Stop, and SBC Sleep Mode (not SBC Fail-Safe Mode)

• VCC2 switches Off after entering SBC Restart Mode. Switch Off is latched, LDO must be enabled via SPI after

shutdown.

• Overtemperature protection

• ≥ 470nF ceramic capacitor at output voltage for stability, with ESR < 1Ω @ f = 10 kHz, to achieve the voltage

regulator control loop stability based on the safe phase margin (bode diagram).

• Output current capability up to IVCC2,lim.

GND

Overtemperature

Shutdown

Bandgap

Reference

State

Machine

VCC2

INH

Vref

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