CM9311-01DE datasheet(5/10 Pages) CALMIRCO

Part #	CM9311-01DE

Description	Asymmetrical High Efficiency Two Channel Boost LED/OLED Driver

Download	10 Pages

Scroll/Zoom	100%

Manufacturer	CALMIRCO [California Micro Devices Corp]

Direct Link	http://www.calmicro.com

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5 / 10 page

04/26/06

490 N. McCarthy Blvd., Milpitas, CA 95035-5112

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Tel: 408.263.3214

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Fax: 408.263.7846

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www.cmd.com

5

CM9311

PRELIMINARY

ILED vs. VIN

19.0

19.2

19.4

19.6

19.8

20.0

20.2

20.4

20.6

20.8

21.0

21.2

2

2.5

3

3.5

4

4.5

5

5.5

6

VIN (V)

L= 4.7uH

4WLED + OLED

TA = 25 ºC

ILED1

EFFICIENCY v.s VIN

75

80

85

90

23

45

6

VIN (V)

VOLED = 10V

ILED1,2 = 20mA

L= 4.7uH

4WLED + OLED

EFFICIENCY vs. INDUCTOR

65

70

75

80

85

90

23456

VOLED = 10V

ILED1 = 20 mA

4WLED + OLED

TA = 25 ºC

L=4.7uH

L=3.3uH

L=2.7uH

L=1.5uH

L=10uH

L=15uH

EFFICIENCY vs. STRING CONFIGURATION

74

76

78

80

82

84

86

88

90

23

45

6

VOLED = 10V

L = 4.7uH

4WLED + OLED

TA = 25 ºC

CH1,2=20mA+20mA

CH1,2=5mA+20mA

CH1,2=20mA+5mA

VOLED vs. VIN

4

6

8

10

12

14

16

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

6.5

VIN (V)

ILED1 = 20mA

4WLED + OLED

COLED = 10uF

VOLED 12V

VOLED=8.5V

VOLED=10V

EFFICIENCY vs. ILED

60

65

70

75

80

85

90

0

5

10

15

20

25

30

35

ILED (mA)

ILED1,2 = 20mA

VOLED = 10V

L = 4.7uH

4WLED + OLED

TA = 25ºC

Vin=5.6V

4.2V

3.6V

3.0V

2.7V

Typical Performance Curves

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CM9311-01DE Datasheet(PDF) 5 Page - California Micro Devices Corp

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