DEMOBOARD TLE 6368 Infineon Technologies, DEMOBOARD TLE 6368 Datasheet - Page 13

• Manufacturer Part Number: DEMOBOARD TLE 6368
• Description: BOARD DEMO FOR TLE 6368
• Manufacturer: Infineon Technologies

Specifications of DEMOBOARD TLE 6368

• Main Purpose: DC/DC, Step Down with LDO
• Voltage - Input: 5.5 ~ 60 V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: TLE6368
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Outputs And Type: -
• Power - Output: -
• Voltage - Output: -
• Current - Output: -
• Frequency - Switching: -
• Other names: DEMOBOARDTLE6368IN

Q_LDO1 had decreased below 3.3V (max.), the SPI will reset to the default settings
including the 8ms delay time. If the voltage on Q_LDO1 during sleep or power off mode
was kept above 3.3V the delay time set by the last SPI command is valid.
Figure 5 Undervoltage reset timing
2.7
A RAM good flag will be set within the SPI status word when the Q_LDO1 voltage drops
below 2.3V. A second one will be set if Q_LDO2 drops below typical 1.4V. Both RAM
good flags can be read after power up to determine if a cold or warm start needs to be
processed. Both RAM good flags will be reset after each SPI cycle.
2.8
A hardware error pin indicates any fault conditions on the chip. It should be connected to
an interrupt input of the microcontroller. A low signal indicates an error condition. The
microcontroller can read the root cause of the error by reading the SPI register.
2.9
The on board window watchdog for supervision of the µC works in combination with the
SPI. The window watchdog logic is turned off per default and can be activated by one
special bit combination in the SPI command word. When operating, the window
watchdog is triggered when CS is low and Bit WD-Trig in the SPI command word is set
to “1”. The watchdog trigger is recognized with the low to high transition of the CS signal.
To allow reading the SPI at any time without getting a reset due to misinterpretation the
WD-Trig bit has to be set to “0” to avoid false trigger conditions.
Data Sheet
V
V
RAM good flag
ERR Pin
Window Watchdog
Q_LDOx
FB/L_IN
V
Rx
t
RES
shutdown
thermal
t
rr
t
RES
voltage
under
13
t
< t
RES
rr
over
load
t
RES
Rev. 2.2, 2006-12-01
TLE 6368 / SONIC
V
RTH,Q_LDOx
t
t
t