ZXLD1374 データシートの表示（PDF） - Diodes Incorporated.

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ZXLD1374

60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100

Diodes Incorporated. 

A Product Line of

Diodes Incorporated

ZXLD1374

Typical Characteristics – Buck Mode – RS = 146mΩ, L = 35µH, ILED = 1.5A

1.65

1.60

TA = 25°C

VAUX = VIN

L = 33µH

RS = 146mΩ

1.55

9 LEDs

11 LEDs

13 LEDs

15 LEDs

1.50

1.45

1 LED

1.40

3 LEDs

5 LEDs

7 LEDs

1.35

6

12

18

24

30

36

42

48

54

60

INPUT VOLTAGE (V)

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

1200

1000

TA = 25°C

VAUX = VIN

L = 33µH

RS = 146mΩ

800

600

400

200

1 LED

0

6

3 LEDs

5 LEDs

7 LEDs

9 LEDs

11 LEDs

13 LEDs

12

18

24

30

36

42

48

INPUT VOLTAGE (V)

Figure 12 Frequency vs. Input Voltage and Number of LED

100%

95%

90%

5 LEDs

15 LEDs

54

60

15 LEDs

85%

80%

75%

3 LEDs

1 LED

7 LEDs

9 LEDs

11 LEDs

13 LEDs

70%

65%

60%

6

12

ZXLD1374

Document number: DS35032 Rev. 3 - 2

18

24

30

36

42

48

Input Voltage (V)

Figure 13 Efficiency vs. Input Voltage and Number of LED

10 of 39

www.diodes.com

TA = 25°C

VAUX = VIN

L = 33µH

RS = 146mΩ

54

60

September 2012

© Diodes Incorporated

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