FSD176MRT Fairchild Semiconductor, FSD176MRT Datasheet - Page 7

• Manufacturer Part Number: FSD176MRT
• Description: The FSD176MRT is an integrated Pulse Width Modulation (PWM) controller and SenseFET specifically designed for offline Switch-Mode Power Supplies (SMPS) with minimal external components
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FSD176MRT • Rev. 1.0.0
Typical Performance Characteristics
Characteristic graphs are normalized at T
Figure 5.
Figure 7.
Figure 9.
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
1.40
1.30
1.20
1.10
1.00
0.90
0.80
0.70
0.60
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
‐40'C ‐20'C
‐40'C ‐20'C 0'C
‐40'C ‐20'C
Operating Supply Current (I
Feedback Source Current (I
Startup Charging Current (I
0'C
0'C
25'C 50'C 75'C 90'C 110'C 120'C 125'C
25'C 50'C 75'C 90'C 110'C 120'C 125'C
25'C 50'C 75'C 90'C 110'C 120'C 125'C
Temperature [ °C]
Temperature [ °C]
Temperature [ °C]
A
=25°C.
CH
OP
FB
) vs. T
) vs. T
) vs. T
A
A
A
7
Figure 6.
Figure 10. Shutdown Delay Current (I
Figure 8.
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
‐40'C ‐20'C 0'C
‐40'C ‐20'C 0'C
‐40'C ‐20'C 0'C
Operating Switching Current (I
Peak Drain Current Limit (I
25'C 50'C 75'C 90'C 110'C 120'C 125'C
25'C 50'C 75'C 90'C 110'C 120'C 125'C
25'C 50'C 75'C 90'C 110'C 120'C 125'C
Temperature [ °C]
Temperature [ °C]
Temperature [ °C]
DELAY
LIM
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OPS
) vs. T
) vs. T
) vs. T
A
A
A