TPS40140_15 datasheet(52/71 Pages) TI | TPS40140 Dual or 2-Phase, Stackable Controller

Part No.	TPS40140

Description	TPS40140 Dual or 2-Phase, Stackable Controller

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Manufacturer	TI [Texas Instruments]

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Output Current

0

4

8

12

16

20

24

28

32

36

40

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

D001

Vin = 10.8 V

Vin = 12 V

Vin = 13.2 V

Output Current

0

5

10

15

20

25

30

35

1.5065

1.5075

1.5085

1.5095

1.5105

1.5115

1.5125

1.5135

1.5145

D002

Vin = 10.8 V

Vin = 12 V

Vin = 13.2 V

TPS40140

SLUS660I – SEPTEMBER 2005 – REVISED JANUARY 2015

www.ti.com

9.2.2.2.3.9

DIFFO, VOUT, and GSNS (Pin 1, Pin 2, and Pin 3)

VOUT and GSNS should be connected to the remote sensing output connector. DIFFO is connected to the

feedback resistor divider. If the differential amplifier is not used, VOUT and GSNS are suggested to be grounded,

and DIFFO is left open.

9.2.3 Application Curves

Figure 54. Load Regulation

Figure 53. Efficiency vs Output Current

VIN = 12 V

VOUT = 1.5 V

IOUT = 32A

VIN = 12 V

VOUT = 1.5 V

IOUT = 32A

Figure 55. Output Voltage Ripple

Figure 56. Input Voltage Ripple

52

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