ir3502b International Rectifier Corp., ir3502b Datasheet - Page 33

• Manufacturer Part Number: ir3502b
• Description: Xphase3 Control Ic
• Manufacturer: International Rectifier Corp.

Page 33 of 38
55
50
45
40
35
30
25
20
15
10
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
5
200
0.0
0.000
300
400
0.020
500
600
0.040
Figure 18: Frequency variation with ROSC.
Figure 19: ISETPT with ROSC.
700
IR3502 Frequency vs. ROSC Resistor
800
0.060
Frequency (KHz)
1/RROSC (1/KOhm)
I(VSETPT) vs. 1/RROSC
900
1000
0.080
1100
1200
0.100
1300
1400
0.120
1500
1600
0.140
IR3502B
RROSC
Nominal Spec
I(VSETPT)
Min V(ISETPT)
Nom V(ISETPT)
Max V(ISETPT)
V3.2