EVAL6599-200W STMicroelectronics, EVAL6599-200W Datasheet - Page 28

• Manufacturer Part Number: EVAL6599-200W
• Description: EVAL BOARD FOR L6599
• Manufacturer: STMicroelectronics
• Type: Power Factor Correctionr

Specifications of EVAL6599-200W

• Main Purpose: AC/DC, Primary Side and PFC
• Outputs And Type: 4, Isolated
• Power - Output: 200W
• Voltage - Output: 24V, 12V, 5V, 3.3V
• Current - Output: 6A, 5A, 1A, 700mA
• Voltage - Input: 90 ~ 264VAC
• Regulator Topology: Resonant
• Frequency - Switching: 95kHz
• Board Type: Fully Populated
• Utilized Ic / Part: L6563, L6599
• Input Voltage: 90 V to 264 V
• Output Voltage: 3.3 V to 24 V
• Dimensions: 132 mm x 265 mm
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: L6599
• Other names: 497-5496

Application information
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Figure 33. Line sensing function: internal block diagram and timing diagram
With reference to
(Vin
which, solved for R
While the line undervoltage is active there is no PWM activity, thus the V
supplied by another source) continuously oscillates between the start-up and the UVLO
thresholds, as shown in the timing diagram of
As an additional measure of safety (e.g. in case the low-side resistor is open or missing, or
in non-power factor corrected systems in case of abnormally high input voltage) if the
ON
) and OFF (Vin
Figure 33
H
and R
OFF
) thresholds of the input voltage:
L
the following relationships can be established for the ON
, yield:
Vin
--------------------------------- -
R
ON
R
L
R
Vin
------------------------------------ -
H
H
=
–
=
1.25
OFF
R
Vin
----------------------------------------- -
R
H
H
⋅
–
=
ON
15 10
------------------------------------ -
Vin
1.25
15 10
Figure 33.
⋅
–
OFF
⋅
1.25
Vin
=
–
1.25
---------- -
6
–
–
R
OFF
6
1.25
H
+
1.25
---------- -
R
H
CC
voltage (if not
L6599