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TLE8262E 데이터시트(PDF) 22 Page - Infineon Technologies AG

부품명 TLE8262E
상세설명  Universal System Basis Chip HERMES Rev. 1.0
PDF  93 Pages
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제조업체  INFINEON [Infineon Technologies AG]
홈페이지  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

TLE8262E 데이터시트(HTML) 22 Page - Infineon Technologies AG

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Data Sheet
22
Rev. 1.0, 2009-03-31
TLE8262E
Internal Voltage Regulator
6.4
Application information
6.4.1
Timing Diagram
Figure 5 shows the ramp up and down of the VS, and the dependency of Vcc1µC. At the first ramp up from SBC Init
Mode, the reset threshold VRT and time tRO are set to the default value. See Chapter 11.1
Figure 5
Ramp up / Down of Main Voltage Regulator
An undervoltage time-out on
V
cc1µC is implemented. Refer to Chapter 13 for more information on this function.
6.4.2
Under voltage detection at Vcc2
The
V
cc2 voltage regulator integrates an under voltage detection. When Vcc2 voltage goes below VUV_VCC2, the
failure is indicated by an interrupt and the failure is reported into the diagnosis frame of the SPI.
Table 3
Internal Voltage Regulators States
SBC Mode
Vcc1µC
Vcc2
INIT Mode
ON
OFF
Normal Mode
ON
ON
OFF
Sleep Mode
OFF
OFF
Restart Mode
ON
unchanged
Software Flash Mode
ON
ON
OFF
Stop Mode
ON
ON
OFF
Fail-Safe Mode
OFF
OFF
t
Vcc1µC
t
VUV OFF
GND
RO
t
Vs
VUV ON
VRTx,r
VRTx,f
SBC OFF
SBC Init
Any mode
SBC OFF



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