ZXLD1352 データシートの表示（PDF） - Diodes Incorporated.
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ZXLD1352 Datasheet PDF : 21 Pages
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A Product Line of
Diodes Incorporated
Typical Characteristics
ZXLD1352
For typical application circuit driving 1W Luxeon® white LED(s) at VIN=12V and Tamb=25°C unless otherwise stated.
Efficiency vs No. of LEDs
L=100uH, Rs=0.33 Ohms
Duty Cycle vs Input Voltage
L=100uH, Rs=0.33 Ohms
100
1.2
95
1
90
1 LED
2 LED
0.8
3 LED
85
4 LED
0.6
5 LED
6 LED
80
7 LED
0.4
8 LED
75
0.2
1 LED
2 LED
3 LED
4 LED
5 LED
6 LED
7 LED
8 LED
70
5
10
15
20
25
30
VIN (V)
0
5
10
15
20
25
30
VIN (V)
600
500
400
300
200
100
0
5
100
95
90
85
80
75
70
5
Operating Frequency vs Input Voltage
L=100uH, Rs=0.33 Ohms
1 LED
2 LED
3 LED
4 LED
5 LED
6 LED
7 LED
8 LED
10
15
20
25
30
VIN (V)
Efficiency vs No. of LEDs
L=47uH, Rs=0.33 Ohms
1 LED
2 LED
3 LED
4 LED
5 LED
6 LED
7 LED
10
15
20
25
30
VIN (V)
8
6
4
2
0
5
-2
-4
-6
-8
1
0.8
0.6
0.4
0.2
0
5
Output current variation with Supply Voltage
L=100uH, Rs=0.33 Ohms
1 LED
2 LED
3 LED
4 LED
10
15
20
25
30 5 LED
6 LED
7 LED
VIN (V)
Duty Cycle vs Input Voltage
L=47uH, Rs=0.33 Ohms
1 LED
2 LED
3 LED
4 LED
5 LED
6 LED
7 LED
10
15
20
25
30
VIN (V)
Operating Frequency vs Input Voltage
L=47uH, Rs=0.33 Ohms
800
700
600
500
400
300
200
100
0
5
10
15
20
25
30
VIN (V)
ZXLD1352
Document number: DS33469 Rev. 3 - 2
Output Current Variation vs Supply Voltage
L=47uH, Rs=0.33 Ohms
20
1 LED
2 LED
3 LED
4 LED
5 LED
6 LED
7 LED
15
10
5
0
-5 5
-10
1 LED
2 LED
3 LED
4 LED
5 LED
10
15
20
25
30 6 LED
7 LED
-15
VIN (V)
8 of 21
www.diodes.com
December 2010
© Diodes Incorporated
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