Datasheet

0
2
4
6
8
-50 0 50 100 150
T -Junction Temperature-°C
J
Ivccsdn-ShutdownCurrent- Am
0
200
400
600
800
1000
1200
-50 0 50 100 150
T -JunctionTemperature-°C
J
I -SupplyCurrent- A
CC
m
1
1.025
1.05
1.075
1.1
0 1 2 3 4
I -OutputCurrent- A
O
V -OutputVoltage-V
O
V =18V
I
V =12V
I
V =5V
I
0
20
40
60
80
100
0 5 10 15 20
ENInputVoltage-V
ENInputCurrent- Am
TPS54426
www.ti.com SLVSAD6C –AUGUST 2010– REVISED JULY 2011
Thermal Shutdown
TPS54426 monitors the temperature of itself. If the temperature exceeds the threshold value (typically 165°C),
the device is shut off. This is non-latch protection.
SPACER
TYPICAL CHARACTERISTICS
Vin CURRENT Vin SHUTDOWN CURRENT
vs vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE
Figure 1. Figure 2.
EN CURRENT 1.05V OUTPUT VOLTAGE
vs vs
EN VOLTAGE OUTPUT CURRENT
Figure 3. Figure 4.
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