ISL97632IRT14ZT 查看數據表（PDF） - Intersil
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ISL97632IRT14ZT Datasheet PDF : 9 Pages
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ISL97632
Typical Performace Curves
90
4.2V IN 4 LEDs OUT (15µH)
85
80
75
3.6V IN 4 LEDs OUT (10µH)
70
3.6V IN 4 LEDs OUT (15µH)
65
4.2V IN 4 LEDs OUT (10µH)
4.2V IN 4 LEDs OUT (22µH)
60
55
3.6V IN 4 LEDs OUT (22µH)
50
0
5 10 15 20 25 30 35 40 45
IOUT (mA)
FIGURE 2. EFFICIENCY vs LED CURRENT
1.0
0.8
0.6
0.4
0.2
0
- 0.2
0
1
2
3
4
5
VIN (V)
FIGURE 3. QUIESCENT CURRENT vs VIN (ENAB = HI)
20.08
20.04
20.00
19.96
19.92
0
5
10
15
20
25
30
VOUT (V)
FIGURE 4. LOAD REGULATION (VIN = 4V)
19.76
19.74
19.72
19.70
19.68
19.66
19.64
19.62
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
FIGURE 5. LINE REGULATION
40
35 RSET = 4.7Ω
30
25
20
15
10
5
0
0
5
10
15
20
25
30
35
CODE = DECIMAL
FIGURE 6. ILED vs PROGRAMMING CODES
5
FN9239.3
March 22, 2010
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