參數(shù)資料
型號(hào): ISL97632
廠商: Intersil Corporation
元件分類: LED驅(qū)動(dòng)器
英文描述: White LED Driver with Digital Dimming(白色LED驅(qū)動(dòng)器)
中文描述: 白光LED與數(shù)字調(diào)光(白色發(fā)光二極管驅(qū)動(dòng)器驅(qū)動(dòng)程序)
文件頁(yè)數(shù): 5/9頁(yè)
文件大?。?/td> 175K
代理商: ISL97632
5
FN9239.2
April 10, 2007
Typical Performace Curves
FIGURE 2. EFFICIENCY vs LED CURRENT
FIGURE 3. QUIESCENT CURRENT vs V
IN
(ENAB = HI)
FIGURE 4. LOAD REGULATION (V
IN
= 4V)
FIGURE 5. LINE REGULATION
FIGURE 6. ILED vs PROGRAMMING CODES
50
55
60
65
70
75
80
85
90
0
5
10
15
20
25
30
35
40
45
I
OUT
(mA)
E
4.2V IN 4 LEDs OUT (22μH)
3.6V IN 4 LEDs OUT (15μH)
3.6V IN 4 LEDs OUT (10μH)
4.2V IN 4 LEDs OUT (10μH)
3.6V IN 4 LEDs OUT (22μH)
4.2V IN 4 LEDs OUT (15μH)
- 0.2
0
0.2
0.4
0.6
0.8
1
0
V
IN
(V)
I
1
2
3
4
5
19.92
19.96
20.00
20.04
20.08
0
5
10
15
20
25
30
V
OUT
(V)
O
19.62
19.64
19.66
19.68
19.70
19.72
19.74
19.76
2.5
3.0
3.5
4.0
4.5
5.0
5.5
V
IN
(V)
I
O
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
35
CODE = DECIMAL
I
O
R
SET
= 4.7
Ω
ISL97632
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