ZXLD1374 datasheet(13/37 Pages) DIODES

номер детали	ZXLD1374

подробное описание детали	60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST

PDF	37 Pages

Scroll/Zoom	100%

производитель	DIODES [Diodes Incorporated]

домашняя страница	http://www.diodes.com

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13 / 37 page

ZXLD1374

60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST

LED DRIVER CONVERTER WITH AEC-Q100

ZXLD1374

Document number: DS35032 Rev. 2 - 2

13 of 37

www.diodes.com

March 2011

A Product Line of

Diodes Incorporated

Typical Characteristics – Buck-boost mode – R

S = 150mΩ - L = 33µH – ILED = 350mA – GIRATIO = 0.23 – with bootstrap

0.315

0.325

0.335

0.345

0.355

0.365

0.375

0.385

6.5

8.0

9.5

11.0

12.5

14.0

15.5

17.0

Input Voltage (V)

Figure 23. LED Current vs. Input Voltage and Number of LED

3 LED s

4 LED s

5 LED s

6 LED s

7 LED s

8 LED s

T = 25 C

L = 33µH

R = 150m

= 36

= 120

GI1

GI2

100

200

300

400

500

600

6.5

8.0

9.5

11.0

12.5

14.0

15.5

17.0

Input Voltage (V)

Figure 24. Switching Frequency vs. Input Voltage and Number of LED

T = 25 C

L = 33µH

R = 150m

= 36k

= 120k

GI1

GI2

7 LED s

8 LED s

6 LED s

5 LED s

4 LED s

3 LED s

70%

75%

80%

85%

90%

95%

100%

6.5

8.0

9.5

11.0

12.5

14.0

15.5

17.0

Input Voltage (V)

Figure 25. Efficiency vs. Input Voltage and Number of LED

T = 25 C

L = 33µH

R = 150m

= 36K

= 120k

GI1

GI2

3 LED s

4 LED s

5 LED s

6 LED s

7 LED s

8 LED s

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