TPS25940 datasheet(11/47 Pages) TI1

Part #	TPS25940

Description	18V eFuse with True Reverse Blocking and DevSleep Support for SSDs

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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Temperature (GC)

-50

-20

10

40

70

100

130

0.6

0.7

0.8

0.9

1.0

1.1

1.2

0

1

2

3

4

5

6

7

8

9

0

1

2

3

4

5

6

Current Limit I

(LIM) (A)

C014

0.40

0.45

0.50

0.55

0.60

0.65

0.70

±50

0

50

100

150

Temperature (

oC)

R(ILIM) = Short

R(ILIM) = Open

C014

R

(ILIM) = Short

R

(ILIM) = Open

0.65

0.66

0.67

0.68

0.69

0.70

±50

±20

10

40

70

100

130

Temperature (oC)

C014

-2.0%

-1.5%

-1.0%

-0.5%

0.0%

0.5%

1.0%

1.5%

2.0%

-50

0

50

100

150

Temperature (

oC)

150 k

88.6 k

42.4 k

24.9 k

16.9 k

C014

-3.0%

-2.5%

-2.0%

-1.5%

-1.0%

-0.5%

0.0%

0.5%

0

2

4

6

8

10

12

V

(IN) - V(OUT) (V)

I(OV) = 1.0A

I(OV) = 2.1A

I(OV) = 3.6A

I(OV) = 5.3A

C014

I

(LIM) = 5.3 A

I

(LIM) = 3.6 A

I

(LIM) = 2.1 A

I

(LIM) = 1.0 A

TPS25940A, TPS25940L

www.ti.com

SLVSCF3A – JUNE 2014 – REVISED MARCH 2015

Typical Characteristics (continued)

Conditions are –40°C

≤ TA = TJ ≤ 125°C, V(IN) = 12 V, V(EN/UVLO) = 2 V, V(OVP) = V(DEVSLP) = V(PGTH) = 0 V, R(ILIM) = 150 kΩ,

C(OUT) = 1 µF, C(dVdT) = OPEN, PGOOD = FLT = IMON = OPEN. (unless stated otherwise)

Thermal shutdown occurs when I(LIM) = 5.3 A

and [V(IN) - V(OUT)] > 8 V

Figure 19. Current Limit (% Normalized) vs R(LIMIT) Resistor

Figure 20. Current Limit Normalized (%) vs V(IN) - V(OUT)

Figure 22. Current Limit in DevSleep Mode vs Temperature

Figure 21. Current Limit for R(ILIM) = Open and Short vs

Temperature

Figure 23. Fast Trip Threshold vs Current Limit

Figure 24. IMON Offset vs Temperature

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Product Folder Links: TPS25940A TPS25940L

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