FSD156MRBN Fairchild Semiconductor, FSD156MRBN Datasheet - Page 8
FSD156MRBN
Manufacturer Part Number
FSD156MRBN
Description
The FSD156MRBN 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
Datasheet
1.FSD156MRBN.pdf
(16 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
FSD156MRBN
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
© 2011 Fairchild Semiconductor Corporation
FSD156MRBN • Rev. 1.0.0
Typical Performance Characteristics
Characteristic graphs are normalized at T
Figure 13. Shutdown Feedback Voltage (V
Figure 11. UVLO Threshold Voltage (V
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
Figure 15. Switching Frequency (f
‐40'C ‐20'C
‐40'C ‐20'C
‐40'C ‐20'C
0'C
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.
S
START
) vs. T
SD
) vs. T
) vs. T
A
A
A
8
Figure 12. UVLO Threshold Voltage (V
Figure 14. Over-Voltage Protection (V
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
Figure 16. Maximum Duty Ratio (D
‐40'C ‐20'C
‐40'C ‐20'C
‐40'C ‐20'C
0'C
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]
MAX
STOP
OVP
) vs. T
www.fairchildsemi.com
) vs. T
) vs. T
A
A
A