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ISL9105 Datasheet(PDF) 4 Page - Intersil Corporation

Part No. ISL9105
Description  600mA Low Quiescent Current 1.6MHz High Efficiency Synchronous Buck Regulator
Download  11 Pages
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL9105 Datasheet(HTML) 4 Page - Intersil Corporation

 
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4
FN6415.1
February 13, 2007
Typical Operating Performance (Unless otherwise noted, operating conditions are: TA = +25°C, VVIN = 3.6V, EN = VIN,
RSI = MODE = 0V, L = 3.3µH, C1 = 10µF, C2 = 10µF, IOUT = 0A)
FIGURE 1. EFFICIENCY vs LOAD CURRENT (VIN = 3.6V)
FIGURE 2. EFFICIENCY vs LOAD CURRENT (VO = 1.6V)
FIGURE 3. LINE REGULATION
FIGURE 4. LOAD REGULATION
FIGURE 5. I_Q vs VIN (PFM)
FIGURE 6. I_Q vs VIN (PWM)
50
60
70
80
90
100
1
10
100
1000
VO = 0.8V
LOAD CURRENT (mA)
VO = 2.5V
VO = 1.6V
50
60
70
80
90
100
1
10
100
1000
LOAD CURRENT (mA)
VIN = 3.6V
VIN = 2.7V
VIN = 5.5V
1.610
1.615
1.620
1.625
1.630
1.635
1.640
2.7
3.7
4.7
VIN (V)
1.610
1.615
1.620
1.625
1.630
1.635
1.640
2.7
3.7
4.7
I_LOAD = 300mA
I_LOAD = 600mA
I_LOAD = 0A
1.605
1.610
1.615
1.620
1.625
1.630
1.635
0
100
200
300
400
500
600
OUTPUT CURRENT (mA)
VIN = 5.5V
VIN = 3.6V
VIN = 2.7V
0
5
10
15
20
25
30
35
40
2.73
0.20
3.74
0.20
4.70
VIN (V)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
2.7
3.2
3.7
4.2
4.7
VIN (V)
ISL9105


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