EVL6566A-75WADP STMicroelectronics, EVL6566A-75WADP Datasheet - Page 17

• Manufacturer Part Number: EVL6566A-75WADP
• Description: BOARD EVAL FOR L6566A
• Manufacturer: STMicroelectronics
• Type: Power Factor Correctionr

Specifications of EVL6566A-75WADP

• Main Purpose: AC/DC, Primary and Secondary Side with PFC
• Outputs And Type: 1, Isolated
• Power - Output: 75W
• Voltage - Output: 19V
• Current - Output: 4A
• Voltage - Input: 90 ~ 264VAC
• Frequency - Switching: 65kHz
• Board Type: Fully Populated
• Utilized Ic / Part: L6563, L6566A, TSM1014
• Input Voltage: 90 V to 264 V
• Output Voltage: 19 V
• Dimensions: 78 mm x 174 mm
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Regulator Topology: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: L6563, L6566A
• Other names: 497-6449

L6563 - L6563A
An important advantage of this technique is that the overvoltage level can be set
independently of the regulated output voltage: the latter depends on the ratio of R1 to R2,
the former on the individual value of R1. Another advantage is the precision: the tolerance of
the detection current is 15%, which means 15% tolerance on the ∆V
much smaller than Vo, the tolerance on the absolute value will be proportionally reduced.
Example: V
Then: R1 = 40V/20µA = 2MΩ ; R2 = 2.5·2MΩ·/(400-2.5) = 12.58kΩ.
The tolerance on the OVP level due to the L6563/A will be 40·0.15 = 6 V, that is ± 1.36%.
When either OVP is activated the quiescent consumption is reduced to minimize the
discharge of the Vcc capacitor.
Figure 34. Output voltage setting, OVP and FFP functions: internal block diagram
R3
{
O
R3b
R3a
= 400V, ∆V
R4
R1
{
O
R1b
R1a
Vout
= 40V.
PFC_OK
R2
INV
7
1
Compensation
Frequency
9.5V
9.5V
0.26V
I
TBO
2.5V
FUNCTION
+
+
-
-
+
TBO
-
E/A
2
+
FAULT (not latched)
-
20 µA
COMP
FAULT (latched)
2.25V
Application information
O
. Since it is usually
Dynamic OVP
L6563A
L6563
Static OVP
17/39