ir1155s International Rectifier Corp., ir1155s Datasheet - Page 17

• Manufacturer Part Number: ir1155s
• Description: Programmable Frequency, One Cycle Control Pfc Ic
• Manufacturer: International Rectifier Corp.

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Figure 9: Current Amplifier DC Gain vs.
1.10
1.08
1.06
1.04
1.02
1.00
Figure 11: Over Voltage Protection
3.30
3.25
3.20
3.15
3.10
3.05
3.00
-50 °C
-50 °C
Thresholds vs. Temperature
0 °C
0 °C
Temperature
VOVP
VOVP(RST)
Temperature
Temperature
50 °C
50 °C
100 °C
100 °C
150 °C
150 °C
17
Figure 10: Peak Current Limit Threshold
200.00
180.00
160.00
140.00
120.00
100.00
80.00
60.00
40.00
Figure 12: Oscillator Frequency vs.
-0.5
-0.6
-0.7
-0.8
-0.9
-1.0
-50 °C
400
V
Programming Capacitor
ISNS(PK)
650
Frequency vs. CT
0 °C
900
vs. Temperature
Temperature
1150
CT (pF)
50 °C
© 2011 International Rectifier
1400
IR1155S
100 °C
1650
1900
150 °C