TLD5097EL_15 Datasheet, PDF (25/41 Pages) Infineon Technologies AG – Multitopology LITIX Power DC/DC Controller IC

Infineon® LITIX™ Power
TLD5097EL
Protection and Diagnostic Functions
V_EN/PWMI
H
L
t
T_j
T_jSD
ΔΤ
T_jSO
Ta
t
V_SWO
t
I_LED
I_peak
t
V_{ST and}
V_IVCC
5V
Device
OFF
Normal Operation
t
Overtemp
Fault
ON
Overtemp
Fault
ON
Overtemp
Fault
ON
Overtemp
Fault
Figure 9-5 Device Overtemperature Protection Behavior
example: VOUT,max ≈ 40V
1.25mA
ROVH
OVFB ⁹
40V _{≅ 33.2kΩ}
1.25mA
GND
12
R_{OVL 1kΩ 1.25V}
Figure 9-6 Overvoltage Protection Description
V_OVFB
VOVP,max
Overvoltage Protection
ACTIVE
VOVFB,TH
1.25V
Overvoltage Protection is
disabled
t
Data Sheet
25
Revision 1.0
2015-03-12