ZXLD1374(2010) Просмотр технического описания (PDF) - Diodes Incorporated.

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Компоненты Описание

производитель

ZXLD1374
(Rev.:2010)

60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER

Diodes Incorporated. 

A Product Line of

Diodes Incorporated

Typical Characteristics – Buck Mode – RS = 146mΩ – L = 33µH - ILED = 1.5A

1.6 5

1.6 0

TA = 25°C

VAUX = VIN

L = 33µH

RS = 146mΩ

1.5 5

9 LED s

11 LED s

13 LEDs

15 LEDs

ZXLD1374

1.5 0

1.4 5

1 LED

1.4 0

3 LED s

5 LED s

7 LED s

1.3 5

6

12

18

24

30

36

42

48

54

60

Input Voltage (V)

Figure 11. Load Current vs. Input Voltage and Number of LED

12 00

10 00

TA = 25°C

VAUX = VIN

L = 33µH

RS = 146mΩ

80 0

60 0

40 0

20 0

1 LED

0

6

10 0%

3 LED s

5 LED s

7 LED s

9 LED s

11 LED s

13 LEDs

12

18

24

30

36

42

48

Input Voltage (V)

Figure 12. Frequency vs. Input Voltage and Number of LED

95 %

90 %

5 LEDs

15 LEDs

54

60

15 LEDs

85 %

80 %

75 %

3 LEDs

1 LED

7 LEDs

9 LEDs

11 LED s

13 LEDs

70 %

65 %

60 %

6

12

ZXLD1374

Document number: DS35032 Rev. 1 - 2

18

24

30

36

42

48

Input Voltage (V)

Figure 13. Efficiency vs. Input Voltage and Number of LED

Page 8 of 35

www.diodes.com

TA = 25°C

VAUX = VIN

L = 33µH

RS = 146mΩ

54

60

October 2010

© Diodes Incorporated

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