TPS22945DCKR datasheet(10/19 Pages) TI

No de pièce	TPS22945DCKR

Description	LOW-INPUT-VOLTAGE CURRENT-LIMITED LOAD SWITCHES WITH SHUT OFF AND AUTO-RESTART FEATURE

Download	19 Pages

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Fabricant	TI [Texas Instruments]

Site Internet	http://www.ti.com

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10 / 19 page

20

25

30

35

40

45

50

55

60

65

70

–50

–35

–20

–5

10

25

40

55

70

85

100

Temperature (°C)

C = 0.1 F

R = 350

L

m

V

= 3.3 V

IN

tOFF

tON

–40

–10

25

50

85

Temperature (°C)

10.5

11.0

11.5

12.0

12.5

13.0

13.5

2 ms/DIV

I

OUT

100 mA/DIV

V

OC

2 V/DIV

V

OUT

2 V/DIV

V

DRV

2 V/DIV

–40

–10

25

50

85

Temperature (°C)

40

50

60

70

80

90

100

TPS22941, TPS22942, TPS22943, TPS22944, TPS22945

SLVS832C – NOVEMBER 2008 – REVISED NOVEMBER 2009

www.ti.com

TYPICAL PERFORMANCE (continued)

Figure 16. tON/tOFF

Figure 17. tBLANK vs Temperature (VIN = 3.3 V)

VDRV signal forces the device to go into over-current mode.

Figure 18. tRESTART vs Temperature (VIN = 3.3 V)

Figure 19. tBLANK Response

VDRV signal forces the device to go into over-current mode.

10

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Product Folder Link(s): TPS22941 TPS22942 TPS22943 TPS22944 TPS22945

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