zxld1370 Diodes, Inc., zxld1370 Datasheet - Page 6

• Manufacturer Part Number: zxld1370
• Description: 60v High Accuracy Buck/boost/buck-boost Led Driver Controller
• Manufacturer: Diodes, Inc.

ZXLD1370
Document number: DS32165 Rev. 2 - 2
Typical Characteristics – Buck Mode – R
100%
1.500
1.490
1.480
1.470
1.460
1.450
1.440
1.430
1000
900
800
700
600
500
400
300
200
100
95%
90%
85%
80%
75%
70%
65%
60%
0
6.5
6.5
6.5
T = 25°C
V
A
AU X
1 LE D
11
11
11
= V
1 LED
IN
15.5
15.5
15.5
3 LE Ds
Figure 1: Load Current vs. Input Voltage & Number of LED
3 LEDs
Figure 2: Frequency vs. Input Voltage & Number of LED
20
20
Figure 3: Efficiency vs. Input & Number of LED
20
5 LE Ds
5 LEDs
24.5
24.5
24.5
www.diodes.com
Input Voltage (V)
7 LE Ds
29
29
7 LEDs
29
Input Voltage (V)
Input Voltage (V)
S
6 of 33
= 150mΩ – L = 33µH - I
33.5
33.5
33.5
9 LEDs
9 LE Ds
38
38
38
11 LEDs
11 LE Ds
42.5
42.5
42.5
Diodes Incorporated
A Product Line of
13 LEDs
47
47
47
13 LE Ds
LED
51.5
51.5
51.5
15 LEDs
= 1.5A
15 LE Ds
56
56
56
© Diodes Incorporated
ZXLD1370
60.5
60.5
60.5
May 2010