SG6961SY Fairchild Semiconductor, SG6961SY Datasheet - Page 8

• Manufacturer Part Number: SG6961SY
• Description: IC PFC CTRLR AVERAGE CURR 8SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of SG6961SY

• Mode: Average Current
• Frequency - Switching: 50kHz
• Current - Startup: 10µA
• Voltage - Supply: 12 V ~ 20 V
• Operating Temperature: -20°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2008 Fairchild Semiconductor Corporation
SG6961 • Rev. 1.3.2
Typical Performance Characteristics
2.515
2.505
2.495
2.485
Maximum On-Time Programming-resistor based
25.4
25.2
24.8
24.6
24.4
24.2
23.8
23.6
10.20
10.00
Turn-on Threshold Voltage (Vref) vs Temperature
2.51
2.49
9.80
9.60
9.40
9.20
9.00
8.80
8.60
2.5
25
24
Figure 5. Turn-On Threshold Voltage
-40
-40
Turn-off Voltage (Vth_off) vs Temperature
-40
-25
-25
Figure 7. Maximum On-Time
-25
Figure 9. Turn-Off Voltage
(Ton_max) vs Temperature
-10
-10
-10
5
5
5
Temperature (℃)
20
Temperature (℃)
20
Temperature (℃)
20
35
35
35
50
50
50
65
65
65
80
80
80
95
95
95
110
110
110
125
125
125
8
Turn-on Threshold Voltage (Vth_on) vs Temperature
4.6
4.2
3.8
3.4
Figure 6. Continuously Operating Voltage
12.35
12.25
12.15
12.05
16
14
12
10
12.3
12.2
12.1
8
6
4
2
0
5
3
-40
12
-40
Figure 8. Turn-On Threshold Voltage
Continuously Operating Voltage (Icc_op) vs
-40
Start_Up Current (Icc_st) vs Temperature
-25
-25
-25
Figure 10. Startup Current
-10
-10
-10
5
5
5
Temperature
20
Temperature (℃)
20
Temperature (℃)
Temperature (℃)
20
35
35
35
50
50
50
65
65
65
80
80
80
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95
95
95
110
110
110
125
125
125