STEVAL-ISA054V1 STMicroelectronics, STEVAL-ISA054V1 Datasheet - Page 18

• Manufacturer Part Number: STEVAL-ISA054V1
• Description: BOARD DEMO STW9N150 100W 3PHASE
• Manufacturer: STMicroelectronics
• Type: MOSFET & Power Driverr

Specifications of STEVAL-ISA054V1

• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 2, Isolated
• Power - Output: 100W
• Voltage - Output: 24V, 3.3V or 5V
• Current - Output: 4A, 1A
• Voltage - Input: 180 ~ 265VAC & 320 ~ 480VAC
• Regulator Topology: Flyback
• Frequency - Switching: 250kHz
• Board Type: Fully Populated
• Utilized Ic / Part: L5970, STW9N150, UC3844B
• Input Voltage: 180 V to 265 V, 400 V
• Output Voltage: 3.3 V, 5 V, 24 V
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: STW9N150
• Kit Application Type: Power Management
• Application Sub Type: Auxiliary Power Supply
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: STW9N150
• Other names: 497-8849

Efficiency
7
18/23
Efficiency
Figure 14
range is between 180 V and 265 Vrms. The output load current is fixed at 4 A for 24 Vdc out
and 1 A for 5 Vdc out. The maximum efficiency is about 82% and is reached with an input
voltage of 230 Vac
Figure 14. Efficiency at I
Figure 15
range is between 0.5 A and 4 A for a 24 V output. The input AC voltage is fixed at
230 Vac
Figure 15. Efficiency at Vin = 230 V
rms
shows the ratio pout/pin as a function of the input AC voltage. The input voltage
shows the ratio of pout/pin depending on the output current variation. The current
0.815
0.805
0.795
.
0.85
0.75
0.65
0.82
0.81
0.8
0.7
0.6
0.8
160
0
rms
0.5
.
0.63
180
180
out1
1
Doc ID 15343 Rev 1
0.68
= 4 A for 24 Vdc output and I
200
200
1.5
acrms
0.74
Po/Pi @230Vac
220
Po/Pi
220
Vac input
2
0.78
Iout (A)
230
240
2.5
240
0.78
3
260
0.79
out2
260
= 1 A for 5 Vdc output
3.5
0.81
280
280
4
0.82
300
4.5
UM0674
AM01994v1
AM01995v1