0

2

4

6

8

-50

0

50

100

150

T -Junction Temperature-°C

J

0

200

400

600

800

1000

1200

-50

0

50

100

150

T -JunctionTemperature-°C

J

1

1.025

1.05

1.075

1.1

0

1

2

3

4

I -OutputCurrent- A

O

V =18V

I

V =12V

I

V =5V

I

0

20

40

60

80

100

0

5

10

15

20

ENInputVoltage-V

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.

Copyright

© 2010–2011, Texas Instruments Incorporated

9

Product Folder Link(s) :TPS54426