TPS54395PWP datasheet(9/23 Pages) TI1

Part #	TPS54395PWP

Description	3A Dual Channel Synchronous Step-Down Switcher with Integrated FET ( SWIFT??

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V - Input Voltage - V

I

3.2

3.22

3.24

3.26

3.28

3.3

3.32

3.34

3.36

3.38

3.4

I

= 10 mA

O

I

= 1 A

O

V

= 18 V

IN

0

0.5

1

1.5

2

2.5

3

I - Output Current - A

O

1.45

1.46

1.47

1.48

1.49

1.5

1.51

1.52

1.53

1.54

1.55

V

= 12 V

IN

V

= 5 V

IN

0

0.5

1

1.5

2

2.5

3

I - Output Current - A

O

3.2

3.22

3.24

3.26

3.28

3.3

3.32

3.34

3.36

3.38

3.4

V

= 6 V

IN

V

= 12 V

IN

V

= 18 V

IN

0

10

20

30

40

50

60

0

5

10

15

20

EN Input Voltage - V

EN1

EN2

-50

0

50

100

150

T - Junction Temperature - °C

J

0

200

400

600

800

1000

1200

1400

1600

1800

2000

VIN1 = VIN2 = 12 V,

EN1 = EN2 = ON

IIN

-50

0

50

100

150

T - Junction Temperature - °C

J

0

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IVINSDN

TPS54395

www.ti.com

SLVSBC8 – JUNE 2012

TYPICAL CHARACTERISTICS

One output is enabled unless otherwise noted. VI = VIN1 or VIN2. VIN = 12 V, TA = 25°C (unless otherwise noted).

Figure 1. Input Current vs Junction Temperature

Figure 2. Input Shutdown Current vs Junction

Temperature

Figure 3. EN Current vs EN Voltage (VEN=12V)

Figure 4. VO1=3.3V Output Voltage vs Output Current

Figure 5. VO2=1.5V Output Voltage vs Output Current

Figure 6. VO1=3.3V Output Voltage vs Input Voltage

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