EVL170W-FTV STMicroelectronics, EVL170W-FTV Datasheet - Page 9

• Manufacturer Part Number: EVL170W-FTV
• Description: DEMO BOARD VIPER27 L6599A L6564
• Manufacturer: STMicroelectronics
• Series: VIPER™r

Specifications of EVL170W-FTV

• Main Purpose: Power Supply with PFC
• Outputs And Type: 2, Isolated
• Power - Output: 170W
• Voltage - Output: 24V, 12V, 5V
• Current - Output: 6A, 2A, 2A
• Voltage - Input: 90 ~ 264VAC
• Regulator Topology: Flyback
• Frequency - Switching: 130kHz
• Board Type: Fully Populated
• Utilized Ic / Part: Viper27LN, L6564, L6599A
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-11254

AN3329
2
Table 1.
Vin [Vrms]
Vin [Vrms]
Vin [Vrms]
Vin [Vrms]
115
230
265
115
230
265
115
230
265
115
230
265
90
90
90
90
Efficiency measurement
Table 1
efficiency is 90.09 % at 115 Vac, and 91.85 % at 230 Vac. Both values are considerably high
and maintained high even decreasing the load as reported in
also reported in the graph of
Overall efficiency measured at different AC input voltages
Vout [V]
Vout [V]
Vout [V]
Vout [V]
5.01
5.01
5.01
5.01
5.01
5.01
5.01
5.01
5.01
5.01
5.01
5.01
5.02
5.02
5.02
5.02
shows the overall efficiency, measured at different mains voltages. The full load
5 V
5 V
5 V
5 V
Iout [A]
Iout [A]
Iout [A]
Iout [A]
1.99
1.99
1.99
1.99
1.51
1.51
1.51
1.51
1.00
1.00
1.00
1.00
0.49
0.49
0.49
0.49
Vout [V]
Vout [V]
Vout [V]
Vout [V]
11.69
11.69
11.69
11.69
11.70
11.70
11.70
11.70
11.71
11.72
11.71
11.71
11.72
11.72
11.72
11.72
12 V
12 V
12 V
12 V
Figure
Doc ID 18376 Rev 1
Iout [A]
Iout [A]
Iout [A]
Iout [A]
2.01
2.01
2.01
2.01
1.51
1.51
1.51
1.51
1.01
1.01
1.01
1.01
0.50
0.50
0.50
0.50
3.
Load = 100 %
Load = 25 %
Load = 75 %
Load = 50 %
Vout [V]
Vout [V]
Vout [V]
Vout [V]
23.47
23.48
23.48
23.48
23.49
23.49
23.49
23.49
23.51
23.51
23.51
23.51
23.53
23.53
23.53
23.53
24 V
24 V
24 V
24 V
Iout [A]
Iout [A]
Iout [A]
Iout [A]
5.98
5.98
5.98
5.98
4.50
4.50
4.50
4.50
3.00
3.00
3.00
3.00
1.51
1.51
1.51
1.51
Table
173.8
173.9
173.8
173.8
130.9
130.9
130.9
130.9
43.83
43.83
43.83
43.83
Pout
Pout
Pout
Pout
87.5
87.5
87.5
87.5
[W]
[W]
[W]
[W]
Efficiency measurement
1. Measurements are
197.5
193.6
189.3
188.9
147.5
145.5
143.0
142.7
50.82
50.57
50.47
50.29
98.6
97.7
96.6
96.5
Pin
[W]
Pin
Pin
Pin
[W]
[W]
[W]
88.00 %
90.09 %
91.85 %
91.98 %
88.78 %
89.96 %
91.56 %
91.73 %
88.67 %
89.54 %
90.53 %
90.64 %
86.25 %
86.67 %
86.85 %
87.16 %
Eff.
Eff.
Eff.
Eff.
[%]
[%]
[%]
[%]
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