EVL6566B-65W-QR STMicroelectronics, EVL6566B-65W-QR Datasheet - Page 10

• Manufacturer Part Number: EVL6566B-65W-QR
• Description: BOARD EVAL SMPS FOR L6566B
• Manufacturer: STMicroelectronics
• Type: Power Factor Correctionr

Specifications of EVL6566B-65W-QR

• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 1, Isolated
• Power - Output: 65W
• Voltage - Output: 700V
• Voltage - Input: 8 ~ 23 V
• Regulator Topology: Flyback
• Frequency - Switching: 100kHz
• Board Type: Fully Populated
• Utilized Ic / Part: L6566B
• Input Voltage: 90 V to 265 V
• Output Voltage: 1.8 V to 12 V
• Board Size: 150 mm x 75 mm
• Product: Power Management Modules
• Dimensions: 150 mm x 75 mm
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS compliant by exemption
• Current - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: L6566B
• Other names: 497-10165

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Functional checking
Figure 5.
The following table shows the output voltage measurements and the overall efficiency of the
converter measured at nominal input mains voltages. All output voltages have been
measured on the output connector of the board.
Table 2.
In
specification. The efficiency measured is very good for this kind of SMPS, thanks to the
absence of post regulators.
In the
the DVD, meaning a temporary increasing of the 12 V output current supplying the motor.
The other output voltage loads are unchanged.
Voltage [V]
Table 2
Pout [W] =
Pin [W] =
11.94
1.77
4.89
3.33
Efficiency =77.26 %
followingTable 3
it is possible to note that all voltages are within the tolerance given in the
EVL6566B-40WSTB waveforms at 265 V-50 Hz - full load
EVL6566B-STB-40W efficiency measurement at full load
Vin = 115 Vac-60 Hz
Current [A]
39.10
50.6
1.9
1.7
2.4
0.5
the output voltages are measured during the spin-up of the HDD or
Doc ID 14630 Rev 2
Deviation
-0.50%
-1.67%
-2.20%
0.91%
Voltage [V]
Pout [W] =
Pin [W] =
11.82
1.79
4.89
3.33
Efficiency =79.47 %
Vin = 230 Vac-50 Hz
Current [A]
CH1: Vdrain
CH2: L6566B Isen
48.95
38.9
1.9
1.7
2.4
0.5
Deviation
-1.50%
-0.56%
-2.20%
0.91%
AN2749