Datasheet

DOG
NOTES
Converter Ouput (Vout)
Secondary Bias
Secondary Bias
Power Good
LM4041-1.2
Reference
47k
0.1 uF
47k
1000 pF
20k
Error
Amplifier
Opto-Coupler
Soft-Start
5k
47k
15k
24.9k
3.6V
1 uF
Frequency
Compensation
Feedback
Voltage
Q1
Q2
3.6V
To Forward /
MOSFET
enable
C
BIAS
Secondary Side Soft-Start Reset www.ti.com
Figure 10. Pre-Bias Schematic
10
AN-1976 LM5027 Evaluation Board SNVA400B–August 2009–Revised May 2013
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