SG6742HRSY Fairchild Semiconductor, SG6742HRSY Datasheet - Page 8

• Manufacturer Part Number: SG6742HRSY
• Description: IC CTRLR PWM PROG GREEN CM 8SOP
• Manufacturer: Fairchild Semiconductor

Specifications of SG6742HRSY

• Output Isolation: Isolated
• Frequency Range: 90 ~ 110kHz
• Voltage - Input: 9.5 ~ 30 V
• Voltage - Output: 18V
• Power (watts): 400mW
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Number Of Outputs: 1
• Duty Cycle (max): 70 %
• Output Voltage: 18 V
• Mounting Style: SMD/SMT
• Switching Frequency: 110 KHz
• Operating Supply Voltage: 30 V
• Supply Current: 2.7 mA
• Maximum Operating Temperature: + 105 C
• Fall Time: 50 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 250 ns
• Synchronous Pin: No
• Topology: Flyback Converter
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2008 Fairchild Semiconductor Corporation
SG6742HL/HR • Rev. 1.0.4
Typical Performance Characteristics
Figure 16. Threshold Voltage for SENSE Short-Circuit
Figure 14. FB Open-Loop Trigger Level (V
Figure 18. Over-Temperature Protection Threshold
Figure 20. V
7
6
5
4
3
28
27
26
25
24
23
-40
0.145
0.135
1.2
1.1
0.9
0.8
-40
0.15
0.14
0.13
1
-40
Protection (V
-40
Voltage (V
-30
-30
-30
-30
DD
-15
-15
-15
Over-Voltage Protection (V
-15
vs. Temperature
Temperature
0
RTTH1
0
0
S-SCP
Temperature (℃)
0
Temperature (℃)
Temperature (℃)
Temperature (℃)
25
) vs. Temperature
25
25
) vs. Temperature
25
50
50
50
50
75
75
75
75
85
85
85
85
FB-OLP
100
100
100
100
DD-OVP
125
125
125
125
) vs.
)
8
Figure 15. Delay Time of FB Pin Open-Loop Protection
Figure 19. Over-Temperature Protection Threshold
Figure 17. Output Current from RT Pin (I
62
60
58
56
54
52
50
100
0.9
0.8
0.7
0.6
0.5
-40
99
98
97
96
-40
-40
Voltage (V
-30
-30
-30
(t
-15
D-OLP
-15
-15
vs. Temperature
) vs. Temperature
RTTH2
0
0
0
Temperature (℃)
Temperature (℃)
Temperature (℃)
) vs. Temperature
25
25
25
50
50
50
75
75
75
85
85
85
www.fairchildsemi.com
100
100
100
RT
125
)
125
125