ML4800 Fairchild Semiconductor, ML4800 Datasheet - Page 12
ML4800
Manufacturer Part Number
ML4800
Description
The ML4800 is a controller for power factor corrected, switched mode power supplies
Manufacturer
Fairchild Semiconductor
Datasheet
1.ML4800.pdf
(14 pages)
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ML4800
Leading/Trailing Modulation
12
+
DC
VIN
OSC
REF
L1
I1
U4
+
–
EA
RAMP
CLK
U3
Figure 5. Typical Leading Edge Control Scheme
VEAO
SW2
SW1
+
–
CMP
U1
I2
C1
I4
I3
D
R
DFF
CLK
U2
RL
Q
Q
Typical Applications
RAMP
VSW1
VEAO
TIME
TIME
PRODUCT SPECIFICATION
REV. 1.0.5 9/25/01