![](/html/IR/418683/page11.png)
IR2159/IR21591 (S)
90
85
80
75
70
65
60
55
VVCO=0.5V
50
45
40
35
10 14 18 22 26 30 34 38
RFMIN KΩ
Graph 5. Frequency vs RFMIN (IR2159)
170
160
150
140
130
120
VVCO=1.1V
110
100
90
80
10 14 18 22 26 30 34 38
RFMIN KΩ
Graph 6. Frequency vs RFMIN (IR21591)
450
400
350
300
250
200
150
100
50
10 20 30 40 50 60 70
RFMIN (KΩ)
Graph 7. IMIN vs RFMIN (IR2159/IR21591)
www.irf.com
110
100
90
80
70
60
50
40
30
20
10
10 20 30 40 50 60 70
RFMIN (KΩ)
Graph 8. IIPH vs RFMIN (IR2159/IR21591)
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