ISL6745ALEVAL3Z Intersil, ISL6745ALEVAL3Z Datasheet - Page 7

• Manufacturer Part Number: ISL6745ALEVAL3Z
• Description: EVAL BOARD 3 FOR ISL6745
• Manufacturer: Intersil

Specifications of ISL6745ALEVAL3Z

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

V/INPUT
FIGURE 23. OVERSHOT OF LED CURRENT (672mA, 9%)
V/INPUT
FIGURE 25. OVERSHOT OF LED CURRENT (400mA, 22%)
FIGURE 24. OVERSHOT OF LED CURRENT (600mA, 8%)
V/INPUT
C1: VIN 100V/DIV
C1: VIN 100V/DIV
C1: VIN 100V/DIV
I/LED
I/LED
I/LED
7
C4: IIN 200mA/DIV
C4: IIN 200mA/DIV
C4: IIN 200mA/DIV
Application Note 1487
Thermal Performance Characteristics
The temperature test of the board, and critical components
of the driver with/without dimmer is shown in Tables 3 and 4
for 110V input full load conditions.
References
1. ISL6745A datasheet, Intersil Corporation
2. ISL5420 datasheet, Intersil Corporation
3. ISL6745EVAL2Z Offline High Brightness White LED
4. Z. Ye, et al, “Design Considerations of a High Power
TABLE 3. CIRCUIT WORK WITHOUT DIMMER FOR 6 LEDS
TABLE 4. CIRCUIT WORK WITHOUT DIMMER FOR 6 LEDS
COMP
COMP
Driver With High Power Factor for Universal Input, Intersil
Corporation application note: AN1411
Factor SEPIC Converter for High Brightness White LED
Lighting Applications,” IEEE PESC conference record,
2008, June 2008, Greece, pp 2657- 2663.
CR2
CR2
R12
R12
Q1
Q0
Q1
Q0
C4
R4
C8
C4
R3
C8
L1
L2
L3
L1
L2
L3
T = +85°C
T = +85°C
109
100
126
98
88
90
88
88
86
97
89
88
88
88
88
88
95
90
92
88
T = +25°C
T = +25°C
36
26
33
26
26
26
37
33
49
29
38
30
30
28
28
84
37
30
48
28
T = 0°C
T = 0°C
11
13
10
13
50
10
3
3
3
3
0
3
3
2
2
2
2
5
7
2
T = -40°C
T = -40°C
July 28, 2009
AN1487.0
-30
-35
-34
-37
-37
-37
-26
-34
-24
-37
-28
-37
-37
-37
-37
-18
-25
-34
-32
-37