LM5021MMX-2 datasheet(6/23 Pages) TI1

部件名	LM5021MMX-2

功能描述	LM5021 AC-DC Current Mode PWM Controller

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制造商	TI1 [Texas Instruments]

网页	http://www.ti.com

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6 / 23 page

1

10

100

1000

SOFTSTART CAPACITANCE (nF)

0.01

0.1

1

10

100

TEMPERATURE (

oC)

-40

0

40

80

120

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

Sinking

Sourcing

0

5

10

15

20

25

0

5

10

15

20

25

VIN (V)

0

500

1000

1500

2000

OUT DRIVER LOAD (pF)

2

3

4

5

6

FS = 160 kHz

FS = 80 kHz

FS = 40 kHz

15

16

17

18

19

20

21

VIN VOLTAGE (V)

0

2

4

6

8

10

12

14

16

VIN Falling

VIN Rising

0

10

20

30

VIN (V)

0

1

2

3

LM5021

SNVS359D – MAY 2005 – REVISED MARCH 2013

www.ti.com

Typical Performance Characteristics

Unless otherwise specified: TJ = 25°C.

VIN Start-Up Current

VIN UVLO

Figure 2.

Figure 3.

VIN Current vs OUT Load

VIN Voltage Falling vs VCC Voltage

Figure 4.

Figure 5.

OUT Driver Current vs Temperature

Hiccup Mode Deadtime vs Softstart Capacitance

Figure 6.

Figure 7.

6

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Product Folder Links: LM5021

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