EC4217

Linear LED Driver

(Pre-limitary Version)

Page 3 of 4

4F24N Rev. P003

Pow(V)

ID(I LED mA) ±2.5%

15

135

14.5

131

14

128.5

13.5

121

13

115

12.5

107

12

99.5

11.5

92

11

85.5

10.5

79.5

10

73

9.5

66

9

60

8.5

52.5

8

46.5

Table 1

OVP Set up: Fig 3 is chip Pin4 (OVP_In) equal circuit, When OVP_In≧13V start OVP function ,

Fig3

2

....

1(V)......

Pin

3(Rext)

R

2

R

A

2

R

2

R

A

2

R

OVP_IN(V)









