TLE6363_03 Datasheet, PDF (18/28 Pages) Infineon Technologies AG – Multifunctional Voltage Regulator and Watchdog

TLE 6363
Application Note:
A short circuit from V_BOOST to ground will not destroy the IC, however, it may damage the
external boost diode or the boost inductance if there is no overcurrent limitation in that
path.
V_C
and
V_Error
V_CP
V_CV
OCLK
H
L
PWM
H
L
I _BOI
I _BOLI
I _DBO
V_BOI
V_BOOST
V_S
Error Voltage
t
t
t
t
t
t
Overcurrent Threshold Exceeded
Load-Current Increasing with Time;
Controlled by the Error Amp
Controlled by the
Overcurrent Comp
AED02672
Figure 7 Most Important Waveforms of the Boost Converter Circuit
Data Sheet Rev. 1.2
18
2003-06-02