LM5140QRWGRQ1 datasheet(11/48 Pages) TI1

Part #	LM5140QRWGRQ1

Description	Wide Input Range Dual Synchronous Buck Controller

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Manufacturer	TI1 [Texas Instruments]

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Temperature (qC)

-60

-30

0

30

60

90

120

150

44

45

46

47

48

49

50

51

52

53

Temperature (qC)

-60

-30

0

30

60

90

120

150

11.0

11.2

11.4

11.6

11.8

12.0

12.2

12.4

12.6

12.8

13.0

Temperature (qC)

-60

-30

0

30

60

90

120

150

4.10

4.12

4.14

4.16

4.18

4.20

4.22

4.24

4.26

4.28

4.30

4.32

4.34

4.36

Temperature (qC)

-60

-30

0

30

60

90

120

150

66

68

70

72

74

76

78

80

82

84

86

Temperature (qC)

-60

-20

20

60

100

140

4.75

4.80

4.85

4.90

4.95

5.00

5.05

5.10

5.15

5.20

5.25

Temperature(qC)

-60

-30

0

30

60

90

120

150

3.10

3.12

3.14

3.16

3.18

3.20

3.22

3.24

3.26

3.28

3.30

11

LM5140-Q1

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SNVSA02 – JANUARY 2016

Product Folder Links: LM5140-Q1

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Typical Characteristics (continued)

VCC Rising

EN1 = EN2 = 12 V

Figure 7. VDDA(REG) vs Temperature

VCC Rising

Figure 8. VDDA(UVLO) vs Temperature

VIN = 12 V

VCC Rising

Figure 9. VCCX(ON) vs Temperature

VIN = 12 V

ILSET = VCC

Figure 10. V(CS1) 73 mV Current Limit Threshold vs

Temperature

VIN = 12 V

ILSET = GND

Figure 11. V(CS2) 48 mV Current Limit Threshold vs

Temperature

VCC Rising

Figure 12. Current Sense Amplifier Gain vs Temperature

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