LYT1402-1604
Conditions
SOURCE = 0 V
TJ = -40 °C to 125 °C
Parameter
Symbol
Min
Typ
Max
Units
(Unless Otherwise Specified)
Control Functions (cont.)
BYPASS Pin
Shunt Voltage
VBP(SHUNT)
5.2
5.39
4.5
5.55
4.65
V
V
BYPASS Pin Power-Up
Reset Threshold Voltage
VBP(RESET)
4.35
Circuit Protection
di/dt = 277 mA/ms
LYT1x02
0.59
1.06
1.61
0.65
1.15
1.75
250
0.70
1.24
1.88
400
TJ = 25 °C
Current Limit for
Auto-Restart
di/dt = 446 mA/ms
LYT1x03
ILIMIT(AR)
A
TJ = 25 °C
di/dt = 662 mA/ms
LYT1x04
TJ = 25 °C
Fault Minimum Switch
ON-Time
TFAULT(MIN)
ns
ms
mA
V
TAR(OFF)1
TAR(OFF)2
100
Auto-Restart
TJ = 25 °C
TJ = 25 °C
TJ = 25 °C
1000
Input Overvoltage
Threshold
IIOV
0.9
2.3
1.0
2.4
1.1
MULTIFUNCTIONAL Pin
Auto-Restart Threshold
Voltage (Output OVP)
VOOV
2.48
MULTIFUNCTIONAL Pin
Undervoltage Threshold
(Output Short)
TJ = 25 °C
See Note B
VOUV
0.91
138
0.95
0.99
152
V
Junction Temperature
at Fold-Back
TFB
TSD
See Note B
See Note A
See Note A
145
160
75
°C
°C
°C
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
TSD(H)
8
Rev. B 07/16
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