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| TLE8263-2E Datasheet, PDF (26/94 Pages) Infineon Technologies AG – Universal System Basis Chip | |||
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TLE8263-2E
Confidential
External Voltage Regulator
Table 5
Device
C2
RSHUNT
T1
Bills of material for the VCC3 function
Vendor
Murata
-
ON semi
Reference / Value
10µF/10V GCM31CR71AA106K
220mâ¦
MJD253
7.4.3
Calculation of RSHUNT
The maximum current ICC3max where the limit starts and the bit ICC3>ICC3max is set is determined by the shunt
resistor RShunt and the Output Current Shunt Voltage Threshold Vshunt_threshold.
The resistor can be calculated as following
RSHUNT
=
U-----s--h---u---n---t--_--t--h--r--e--s--h---o---l-d-
ICC3max
7.4.4 Unused Pins
In case the Vcc3 is not used in the application, it is recommended to connect the unused pins of Vcc3 as followed.
Connect Vcc1shunt to Vs. (It is also possible to leave the pin open)
Leave Vcc3base open
Leave Vcc3ref open
Do not enable the Vcc3 via SPI as this leads to increased current consumption.
Data Sheet
26
Rev. 1.0, 2009-03-31
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