EVL250W-ATX80PL STMicroelectronics, EVL250W-ATX80PL Datasheet - Page 37

• Manufacturer Part Number: EVL250W-ATX80PL
• Description: BOARD DEMO SMPS L6591/L6563S
• Manufacturer: STMicroelectronics
• Series: VIPer™ plusr

Specifications of EVL250W-ATX80PL

• Main Purpose: Power Supply, ATX
• Outputs And Type: 3, Isolated
• Power - Output: 250W
• Voltage - Output: 12V, 5V, 3.3V
• Current - Output: 13.5A, 12A, 8A
• Voltage - Input: 88 ~ 264VAC
• Regulator Topology: Flyback
• Frequency - Switching: 80kHz
• Board Type: Fully Populated
• Utilized Ic / Part: L6563S, L6591, L6727, VIPer27H
• Input Voltage: 88 VAC to 264 VAC
• Output Voltage: 3.3 V, 5 V, 12 V
• Maximum Operating Temperature: + 60 C
• Operating Supply Voltage: 80 VAC to 264 VAC
• Output Power: 250 W
• Product: Power Management Development Tools
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: L6563S PFC controller
• Other names: 497-10596

AN3203
8
8.1
AHB transformer specification
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Electrical characteristics
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Figure 28. Electrical diagram
a. Measured between pins 2-4
b. Measured between pins 2-4 with secondaries and auxiliary windings shorted
c. Calculated considering primary inductance and resonance frequency
Application type: Consumer, IT
Transformer type: Open
Coil former: vertical type, 6+6 pins
Max. temp. rise: 45 °C
Max. operating ambient temp.: 60 °C
Mains insulation: Compliance with EN60950
Converter topology: Asymmetrical half bridge
Core Type: PQ3230 – PC44 or equivalent
Operating frequency: 80 kHz
Primary inductance: 500 μH ±10 % @1 kHz – 0.25 V
Air gap: 0.3 mm on central leg
Leakage inductance: 12 μH typ. @100 kHz – 0.25 V
Primary capacitance: 6 pF typ.
Max. peak primary current: 3.85 A
RMS primary current: 2 A
Doc ID 17402 Rev 1
RMS
(c)
pk
(b)
(a)
AHB transformer specification
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