TLD5095EL_15 Datasheet, PDF (25/35 Pages) Infineon Technologies AG – Multitopology LITIX Power DC/DC Controller IC

Infineon® LITIX™ Power
TLD5095EL
Protection and Diagnostic Functions
9.2
Electrical Characteristics
V_IN = 6 V to 40 V; 4.5V ≤ V_FBH ≤ 40V, 4.5V ≤ V_FBL ≤ 40V, 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
Parameter
Symbol
Values
Min.
Typ. Max.
Status Output
Status Output
Voltage Low
V_ST,LOW
–
–
0.4
Status Sink Current I_ST,MAX
2
Limit
–
–
Status Output
Current
I_ST,HIGH
–
–
1
Status Delay Time t_SD
8
Temperature Protection
10
12
Overtemperature T_j,SD
160
175
190
Shutdown
Overtemperature
T_j,SD,HYST
–
Shutdown
Hystereses
15
–
Overvoltage Protection
Output Over Voltage V_OVFB,TH
1.21
Feedback Threshold
Increasing
1.25 1.29
Output Over Voltage V_OVFB,HYS 50
Feedback Hysteresis
–
150
Over Voltage
Reaction Time
t_OVPRR
2
–
10
Over Voltage
I_OVFB
-1
Feedback Input
Current
0.1
1
Open Load and Open Feedback Diagnostics
Open Load/Feedback V_REF,1,3
-100
–
-20
Threshold
Open Feedback
V_REF,2
0.5
–
1
Threshold
Unit Note or
Test Condition
Number
V
I_ST = 1mA
mA V_ST = 1V
µA
V_ST = 5V
ms
°C
°C
P_9.2.1
P_9.2.2
P_9.2.3
P_9.2.4
P_9.2.5
P_9.2.6
V
P_9.2.7
mV Output Voltage
decreasing
µs Output Voltage
decreasing
µA
V_OVFB = 1.25 V
P_9.2.8
P_9.2.9
P_9.2.10
mV V_REF = V_FBH - V_FBL P_9.2.11
Open Circuit 1 or 3
V
V_REF = V_FBH - V_FBL P_9.2.12
Open Circuit 2
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
25
Revision 1.4
2015-03-11