LM5141-Q1 datasheet(10/50 Pages) TI1

Part #	LM5141-Q1

Description	Wide Input Range Synchronous Buck Controller

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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Output Current (A)

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

3.22

3.23

3.24

3.25

3.26

3.27

3.28

3.29

3.3

3.31

3.32

D011

+125qC

+25qC

-40qC

Output Current (V)

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

4.950

4.955

4.960

4.965

4.970

4.975

4.980

4.985

4.990

4.995

5.000

D012

+125qC

+25qC

-40qC

Temperature (qC)

-60

-40

-20

0

20

40

60

80

100

120

140

11.00

11.20

11.40

11.60

11.80

12.00

12.20

12.40

12.60

12.80

13.00

D010

Temperature (°C)

-60

-40

-20

0

20

40

60

80

100

120

140

4.00

4.05

4.10

4.15

4.20

4.25

4.30

4.35

4.40

4.45

4.50

D009

Temperature (°C)

-60

-40

-20

0

20

40

60

80

100

120

140

4.75

4.80

4.85

4.90

4.95

5.00

5.05

5.10

5.15

5.20

5.25

D007

Temperature (°C)

-60

-40

-20

0

20

40

60

80

100

120

140

3.10

3.12

3.14

3.16

3.18

3.20

3.22

3.24

3.26

3.28

3.30

D008

10

LM5141

SNVSAU0 – MARCH 2017

www.ti.com

Product Folder Links: LM5141

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Typical Characteristics (continued)

At TA = 25ºC, unless otherwise noted

VCC Rising

EN = 12 V

Figure 7. VDD(REG) vs Temperature

VCC Rising

EN = 12 V

Figure 8. VDD(UVLO) vs Temperature

VCC Rising

EN = 12 V

Figure 9. VCCX(ON) vs Temperature

VIN 12 V

EN = 12 V

Figure 10. Current Sense Amplifier Gain vs Temperature

VIN 12 V

FB = VDDA

EN = 12 V

Figure 11. 3.3-V Output Voltage Regulation vs IOUT

VIN 12 V

EN = 12 V

FB = GND

Figure 12. 5-V Output Voltage Regulation vs IOUT

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