OPTIREG™ SBC TLE9274QXV33
Voltage regulator 2
7
Voltage regulator 2
7.1
Block description
VS2
VCC2
Vref
1
Overtemperature
Shutdown
State
Machine
Bandgap
Reference
INH
GND
Figure 15 Module block diagram
Functional features
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5 V low-drop voltage regulator
Protected against short to supply voltage, e.g. for off-board sensor supply
Can also be used for CAN supply
VCC2 undervoltage monitoring. Please refer to Chapter 13.6 for more information
Can be active in SBC Normal, SBC Stop, and SBC Sleep mode (not SBC Fail-Safe mode)
VCC2 switch off after entering SBC Restart mode. Switch off is latched, LDO must be enabled via SPI after
shutdown
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Overtemperature protection
≥470 nF ceramic capacitor at output voltage for stability, with ESR < 1 Ωat f = 10 kHz, to achieve the voltage
regulator control loop stability based on the safe phase margin (bode diagram)
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Output current capability up to IVCC2,lim
Datasheet
43
Rev.2.0
2022-05-06
INFINEON [ Infineon ]
