0

0.2

0.4

0.6

0.8

1

0

2

4

6

8

10

LOAD CURRENT (A)

0

40

0

100

200

300

400

500

600

10

20

30

L = 10 PH

L = 15 PH

L = 22 PH

-40

-10

20

50

80

110

140

40

60

80

100

120

140

160

-40

-10

20

50

80

110

140

100

150

200

250

300

-40

-10

20

50

80

110

140

8

8.5

9

9.5

10

0

40

3

3.5

4

4.5

5

5.5

6

10

20

30

-40°C

25°C

125°C

LM3489

SNVS443A – MAY 2006 – REVISED JUNE 2008

www.ti.com

Typical Performance Characteristics (continued)

All curves taken at VIN = 12V with configuration in typical application circuit shown in Application Information section of this

Current Limit One Shot OFF Time

vs.

vs

Temperature

Minimum ON Time

Minimum ON Time

vs

vs

Temperature

Temperature

(Normal Operation)

(Current Limit)

Operating Frequency

Operating ON Time vs

vs

Load Current

Input Voltage

6

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