ZXLD1370_11 DIODES [Diodes Incorporated], ZXLD1370_11 Datasheet - Page 10

• Manufacturer Part Number: ZXLD1370_11
• Description: 60V HIGH ACCURACY BUCK/BOOST/BUCK-BOOST LED DRIVER CONTROLLER
• Manufacturer: DIODES [Diodes Incorporated]

ZXLD1370
Document number: DS32165 Rev. 3 - 2
Typical Characteristics – Buck-Boost mode – R
0.370
0.365
0.360
0.355
0.350
0.345
0.340
0.335
0.330
100%
95%
90%
85%
80%
75%
70%
65%
60%
800
700
600
500
400
300
200
100
0
6.5
6.5
6.5
3 L EDs
3 LEDs
3 LEDs
8
8
8
Figure 11: Switching Frequency vs. Input Voltage & Number of LED
Figure 10: LED Current vs. Input Voltage & Number of LED
Figure 12: Efficiency vs. Input Voltage & Number of LED
4 L EDs
4 LEDs
4 LEDs
9.5
9.5
9.5
www.diodes.com
5 LEDs
5 L EDs
5 LEDs
11
Input Voltage (V)
11
Input Voltage (V)
Input Voltage (V)
11
10 of 35
S
6 LEDs
=150mΩ - I
6 L EDs
12.5
6 LEDs
12.5
12.5
Diodes Incorporated
A Product Line of
7 LEDs
LED
7 LEDs
14
14
7 L EDs
14
= 350mA - GI
8 LEDs
8 LEDs
15.5
15.5
15.5
8 L EDs
RATIO
© Diodes Incorporated
ZXLD1370
February 2011
17
17
17
= 0.23