EVL250W-ATX80PL STMicroelectronics, EVL250W-ATX80PL Datasheet - Page 2

• 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

Contents
Contents
1
2
3
4
5
6
7
8
9
10
11
2/45
Main characteristics and circuit description . . . . . . . . . . . . . . . . . . . . . 5
Asymmetrical half bridge operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.1
2.2
Complete system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.1
3.2
3.3
Electrical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.1
4.2
4.3
Conducted noise measurements (pre-compliance test) . . . . . . . . . . . 26
Parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
PFC coil specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
7.1
AHB transformer specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
8.1
8.2
AUX flyback transformer specification . . . . . . . . . . . . . . . . . . . . . . . . . 40
9.1
9.2
PCB layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
AHB typical waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Short-circuit protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Overvoltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Load transients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Standby operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Efficiency measurement and no-load consumption . . . . . . . . . . . . . . . . . 19
Thermal considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Harmonic content measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Mechanical aspect and pin numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Mechanical aspect and pin numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Doc ID 17402 Rev 1
AN3203