ZXLD1374_11 DIODES [Diodes Incorporated], ZXLD1374_11 Datasheet - Page 13

• Manufacturer Part Number: ZXLD1374_11
• Description: 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST
• Manufacturer: DIODES [Diodes Incorporated]

ZXLD1374
Document number: DS35032 Rev. 2 - 2
Typical Characteristics –
100%
95%
90%
85%
80%
75%
70%
0.385
0.375
0.365
0.355
0.345
0.335
0.325
0.315
600
500
400
300
200
100
0
6.5
6.5
6.5
T = 25 C
L = 33µH
R = 150m
R
R
A
S
GI1
GI2
8.0
8 LED s
8.0
= 36K
= 120k
8.0
°
Figure 24. Switching Frequency vs. Input Voltage and Number of LED
Ω
Ω
Ω
Buck-boost mode – R
Figure 25. Efficiency vs. Input Voltage and Number of LED
Figure 23. LED Current vs. Input Voltage and Number of LED
60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST
9.5
9.5
9.5
7 LED s
www.diodes.com
11.0
11.0
11.0
Input Voltage (V)
Input Voltage (V)
S
Input Voltage (V)
6 LED s
= 150mΩ - L = 33µH – I
13 of 37
3 LED s
LED DRIVER CONVERTER WITH AEC-Q100
5 LED s
12.5
12.5
6 LED s
12.5
6 LED s
5 LED s
4 LED s
14.0
14.0
14.0
4 LED s
LED
Diodes Incorporated
7 LED s
A Product Line of
4 LED s
= 350mA – GI
7 LED s
5 LED s
15.5
15.5
15.5
T = 25 C
L = 33µH
R = 150m
R
R
A
S
GI1
GI2
T = 25 C
L = 33µH
R = 150m
R
R
A
S
GI1
GI2
3 LED s
RATIO
3 LED s
8 LED s
= 36
= 120
8 LED s
°
= 36k
= 120k
m
°
m
Ω
= 0.23 – with bootstrap
Ω
Ω
Ω
Ω
Ω
17.0
17.0
17.0
© Diodes Incorporated
ZXLD1374
March 2011