ml4821 Fairchild Semiconductor, ml4821 Datasheet - Page 9
ml4821
Manufacturer Part Number
ml4821
Description
Power Factor Correction Pfc Controller
Manufacturer
Fairchild Semiconductor
Datasheet
1.ML4821.pdf
(12 pages)
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PRODUCT SPECIFICATION
Off-line Start-up and Bias Supply Generation
REV. 1.0.2 6/19/01
L1
N
P
N
N
S
P
N
S
≈
Figure 11. Bias and Start-up Circuit.
V
14V
OUT
39kΩ
R10
2W
1µF
1µF
1000µF
TO B+
TO IC
PIN 15
ML4821
9
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