IR3081AM IRF [International Rectifier], IR3081AM Datasheet - Page 38
IR3081AM
Manufacturer Part Number
IR3081AM
Description
XPHASETM VR 10 CONTROL IC
Manufacturer
IRF [International Rectifier]
Datasheet
1.IR3081AM.pdf
(39 pages)
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PERFORMANCE CHARACTERISTICS
Page 38 of 39
1000
125
115
105
14%
12%
10%
325
300
275
250
225
200
175
150
125
100
950
900
850
800
750
700
650
600
550
500
450
400
350
300
250
200
150
95
85
75
65
55
45
35
25
15
8%
6%
4%
2%
0%
75
50
25
5
0
10
10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
10
1 0
Figure 15 - VDAC Source & Sink Currents vc ROSC (includes OCSET
1 5
15
15
20
Figure 16 - Bias Current Accuracy versus ROsC (includes
Figure 14 - IFB, BBFB, & OCSET Bias Currents vs ROSC
20
20
25
30
25
Figure 13 - Oscillator Frequency versus ROSC
25
35
temperature and input voltage variation)
30
30
40
45
ROSC (K Ohm)
35
35
50
40
ROSC (K ohm)
40
55
60
45
Bias Current)
45
65
ROSC (K Ohm)
ROSC (K Ohms)
50
50
70
75
55
55
80
60
60
85
90
65
65
95
70
70
1 00
75
75
80
80
FB, BBFB, OCSET Bias
Current
VDAC Sink Current
VDAC Source Current
85
85
90
90
ISINK
ISOURCE
95
95
100
100
IR3081A
1/31
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