AN2838 datasheet(3/23 Pages) STMICROELECTRONICS

3 / 23 page

DocID15099 Rev 2

3/23

AN2838

List of figures

Figure 1.

EVL6562A-35WFLB evaluation board using the L6562A . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2.

EVL6562A-35WFLB evaluation board: electrical schematic . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 3.

EVL6562A-35WFLB compliance with EN61000-3-2 Class-C limits @ full load . . . . . . . . . . 9

Figure 4.

EVL6562A-35WFLB compliance with JEIDA-MITI Class-C limits @ full load . . . . . . . . . . . 9

Figure 5.

Power factor vs. VIN and load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 6.

EVL6562A-35WFLB input current waveform @100 V-50 Hz - 35 W load . . . . . . . . . . . . . 10

Figure 7.

EVL6562A-35WFLB input current waveform @230 V-50 Hz - 35 W load . . . . . . . . . . . . . 10

Figure 8.

Efficiency vs. VIN and load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 9.

Static VOUT regulation vs. VIN and IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 10.

EVL6562A-35WFLB output voltage ripple @ 90 VAC - full load . . . . . . . . . . . . . . . . . . . . . 11

Figure 11.

EVL6562A-35WFLB output voltage ripple @ 265 VAC - full load . . . . . . . . . . . . . . . . . . . . 11

Figure 12.

EVL6562A-35WFLB VDS and ID @ 90 VAC - full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 13.

EVL6562A-35WFLB VDS and ID @ 90 VAC - full load - detail. . . . . . . . . . . . . . . . . . . . . . . 11

Figure 14.

EVL6562A-35WFLB VDS and ID @ 265 VAC - full load . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 15.

EVL6562A-35WFLB VDS and ID @ 265 VAC - full load - detail. . . . . . . . . . . . . . . . . . . . . . 12

Figure 16.

EVL6562A-35WFLB VDS and ID @ 90 VAC - 40 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 17.

EVL6562A-35WFLB VDS and ID @ 90 VAC - 40 mA - detail. . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 18.

EVL6562A-35WFLB VDS and ID @ 265 VAC - 40 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 19.

EVL6562A-35WFLB VDS and ID @ 265 VAC - 40 mA - detail . . . . . . . . . . . . . . . . . . . . . . 13

Figure 20.

Thermal map at 90 VAC - full load. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 21.

Thermal map at 265 VAC - full load. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 22.

115 VAC and full load - phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 23.

115 VAC and full load - neutral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 24.

230 VAC and full load - phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 25.

230 VAC and full load - neutral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 26.

Burst pulse and characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 27.

Electrical schematic with secondary current feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 28.

Power transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

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