TLD5097EL_15 Datasheet, PDF (26/41 Pages) Infineon Technologies AG – Multitopology LITIX Power DC/DC Controller IC

Infineon® LITIX™ Power
TLD5097EL
Protection and Diagnostic Functions
9.2
Electrical Characteristics
VIN = 8V to 34V; T_j = -40°C to +150°C, all voltages with respect to ground, positive current flowing into pin;
(unless otherwise specified)
Table 9-1 Electrical Characteristics: Protection and Diagnosis
Parameter
Symbol
Values
Unit
Min.
Typ. Max.
Status Output
Status Output
Voltage Low
V_ST,LOW
–
–
0.4
V
Status Output
Voltage High
V_ST,HIGH
V_IVCC -0.4 –
V_IVCC
V
Temperature Protection
Overtemperature T_j,SD
160
175
190
°C
Shutdown
Overtemperature
T_j,SD,HYST
–
15
–
°C
Shutdown
Hystereses
Overvoltage Protection
Output Over Voltage V_OVFB,TH
1.21
1.25 1.29
V
Feedback Threshold
Increasing
Output Over Voltage V_OVFB,HYS 50
Feedback Hysteresis
–
150
mV
Over Voltage
Reaction Time
t_OVPRR
2
–
10
µs
Over Voltage
I_OVFB
-1
0.1
1
µA
Feedback Input
Current
Open Load and Open Feedback Diagnostics
Open
V_REF,1,3
-100
–
-20
mV
Load/Feedback
Threshold
Open Feedback
V_REF,2
0.5
–
1
V
Threshold
1) Specified by design; not subject to production test.
Note or
Test Condition
Number
1)_{IST= 1mA}
1)_{IST = -1mA}
P_9.2.1
P_9.2.2
1)_{refer to}
Figure 9-5
1)
P_9.2.3
P_9.2.4
refer to Figure 9-6 P_9.2.5
1)_{Output Voltage}
decreasing
1)_{Output Voltage}
decreasing
V_OVFB = 1.25 V
P_9.2.6
P_9.2.7
P_9.2.8
refer to Figure 9-3 P_9.2.9
V_REF = V_FBH - V_FBL
Open Circuit 1 or 3
V_REF = V_FBH - V_FBL
Open Circuit 2
P_9.2.10
Note: Integrated protection functions are designed to prevent IC destruction under fault conditions described in
the data sheet. Fault conditions are considered as “outside” normal operating range. Protection functions
are not designed for continuous repetitive operation.
Data Sheet
26
Revision 1.0
2015-03-12