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EVL6562A-400W
L6562A 400W FOT-controlled PFC pre-regulator evaluation board
Data Brief
Features

Line voltage range: 90 to 265 Vac Minimum line frequency (fL): 47 Hz Regulated output voltage: 400 V Rated output power: 400 W Maximum 2fL output voltage ripple: 10 V pk-pk Hold-up time: 22 ms (VDROP after hold-up time: 300 V) Maximum switching frequency: 85 kHz (@Vin= 90 Vac, Pout= 400 W) Minimum estimated efficiency: 90% (@Vin= 90 Vac, Pout= 400 W) Maximum ambient temperature: 50 C EMI: in accordance with EN55022 Class-B PCB type and size: single side,70 m,CEM1,148.5x132 mm Low profile design: 35 mm component maximum height Table 1. Device summary
Order code EVL6562A-400W
EVL6562A-400W
Description
The board implements a 400 W, wide-range mains input, PFC pre-conditioner suitable for ATX PSU, Flat screen displays, etc. To make possible the use of a low-cost device like the L6562A at this power level, usually prohibitive for TM PFC, the chip operates with Fixed-Off-Time control. This allows continuous conduction mode operation, normally achievable with more expensive control chips and more complex control architectures. For technical details and demoboard performance, please refer to the available application note.
February 2008
Rev 1
1/9
www.st.com 9
For further information contact your local STMicroelectronics sales office.
Circuit schematic
EVL6562A-400W
1
Circuit schematic
Figure 1.
F1 J1 1 2 8A/250V R1 1M5 C1 470nF-X2 C2 470nF C3 680nF-X2 ~ 8 11 C4 470nF-630V C5 470nF-630V STTH8R06 C6 470nF-630V NTC 2R5-S237 C7 330uF-450V 1 2 3 4 5 5-6
EVL6562A-400W schematic
CM-1.5mH-5A L1 ~ D2 D15XB60 + T 1N5406 PQ40-500uH 1-2 +400Vdc D3 R2 J2 L3 DM-51uH-6A D1
90 - 265Vac
+400Vdc +400Vdc NC RTN RTN
+400Vout
R3 100K +400Vdc R9 R10 R5 47R
510k
510k
R102 0R0
R4 100K D4 LL4148
C10 22N
R11 510k C11 470nF/50V R12 C13 220nF C14 2.2uF R14 47k 1 2 3 4 47K 12k R36 3R9 R17 6R8 R35 3R9 R13 D7 LL4148 Q1 STP12NM50FP C12 100uF/50V D5 BZX85-C18
INV COMP MULT CS
VCC
8 7 6 C15 68pF 5 LL4148 D6
L6562A
GD GND ZCD
D8 LL4148 Q2 STP12NM50FP
R18 6R8
R31 3k C16 120pF
R15 1k8 R16 30k
R19 1K0
R32 620k
R33 620k R34 10k C21 10nF
Q3 BC857C C20 330pF R20 R21 0R47-1W 0R47-1W R22 0R47-1W R23 0R47-1W
R101 0R0
Boost inductor spec. (Delta Electronics 86H-5410B): - - - - vertical 6+6, PQ40+30 ferrite 1 mm gap for 500 H primary inductance Primary: 65 turns 30x0.2 mm Secondary: 5 turns 0.28 mm
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EVL6562A-400W
Circuit layout
2
Circuit layout
Figure 2. PCB layout(a)
PFC PRECONDITIONER USING L6562A FOT
a. Not in scale
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Typical performance
EVL6562A-400W
3
Figure 3.
Typical performance
EVL6562A-400W compliance to EN61000-3-2 standard @full load
EN61000-3-2 class D limits 10
Figure 4.
EVL6562A-400W compliance to JEIDA-MITI standard @full load
EN61000-3-2 class D limits
Measurements @ 230Vac Full load 10
Measurements @ 230Vac Full load
Harmonic current (A)
1
Harmonic current (A)
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39
1
0.1
0.1
0.01
0.01
0.001
0.001
0.0001
0.0001 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39
Harmonic Order (n)
Harmonic Order (n)
Figure 5.
EVL6562A-400W compliance to EN61000-3-2 standard @70W load
EN61000-3-2 class D limits
Figure 6.
EVL6562A-400W compliance to JEIDA-MITI standard @70W load
EN61000-3-2 class D limits
Measurements @ 230Vac 70W 1
Measurements @ 230Vac 70W 1
Harmonic current (A)
0.1
Harmonic current (A)
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39
0.1
0.01
0.01
0.001
0.001
0.0001
0.0001 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39
Harmonic Order (n)
Harmonic Order (n)
Figure 7.
1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 80
Power factor vs. Vin and load
Figure 8.
35 30 25 20 15 10
THD vs. Vin and load
Pout = 400W Pout = 200W Pout = 70W
5 0 80 130 Vin (Vac) 180 230 280 Pout = 400W Pout = 200W Pout = 70W
130
180 Vin (Vac)
230
280
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THD (%)
PF
EVL6562A-400W
Bill of material
Appendix A
Table 2.
Ref. des. C1 C10 C11 C12 C13 C14 C15 C16 C2 C20 C21 C3 C4 C5 C6 C7 C8 C9 D1 D2 D3 D4 D5 D6 D7 D8 F1 J1 J2 JP101 Jumper
Bill of material
Bill of material
Part type part value 470 nF- x2 22 nF 470 nF/50 V 100 F/50 V 220 nF 2.2 F 100 pF 120 pF 470 nF-x2 330 pF 10 nF 680 nF-x2 470 nF-630 V 470 nF-630 V 470 nF-630 V 330 F-450 V Res Res 1N5406 D15XB60 STTH8R06 LL4148 BZX85-C18 LL4148 LL4148 LL4148 8 A/250 V Case/ package DWG 1206 1206 Dia 8x11 (mm) 0805 1206 0805 0805 DWG 0805 1206 DWG DWG DWG DWG Description X2 film capacitor R46-I 3470--M1100 V SMD cercap - general purpose 50 V SMD cercap - general purpose Aluminium elcap - yxf series - 105C 50 V SMD cercap - general purpose 50V SMD cercap - general purpose 50 V SMD cercap - general purpose 50 V SMD cercap - general purpose X2 film capacitor R46-I 3470--M150 V SMD cercap - general purpose 50 V SMD cercap - general purpose X2 film capacitor R46-I 3680--M1film capacitor MKP - B32653A6474J film capacitor MKP - B32653A6474J film capacitor MKP- B32653A6474J Supplier ARCOTRONICS AVX AVX RUBYCON AVX AVX AVX AVX ARCOTRONICS AVX AVX ARCOTRONICS EPCOS EPCOS EPCOS NICHICON VISHAY SHINDENGEN STMICROELECTRONICS VISHAY VISHAY VISHAY VISHAY VISHAY WICKMANN MOLEX MOLEX
Dia 35x35 (mm) Aluminium ELCAP - LLS series - 85C DWG DWG DO-201 DWG TO-220FP MINIMELF MINIMELF MINIMELF MINIMELF MINIMELF 5 x 20 mm Not used Not used Standard recovery rectifier Rectifier bridge Ultrafast high voltage rectifier Fast switching diode Zener diode Fast switching diode Fast switching diode Fast switching diode 8 A mains input fuse 3-pins conn. (central rem.) P 3.96 KK series 5-pins conn. (central rem.) P 3.96 KK series Wire jumper
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Bill of material Table 2.
Ref. des. JP102 L1 L2 L3 L4 Q1 Q2 Q3 R1 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R2 R20 R21 R22 R23 R25 R3 R31 R32 R33 R34 R35 R36 R4 R5
EVL6562A-400W
Bill of material (continued)
Part type part value Jumper CM-1.5 mH-5 A Res DM-51 H-6A PQ40-500 H STP12NM50FP STP12NM50FP BC857C 1M5 510 k 510 k 47 k 12 k 47 k 1 k8 30 k 6R8 6R8 1 K NTC 2R5 0R47-1 W 0R47-1 W 0R47-1 W 0R47-1 W Res 100 K 3 k 620 k 620 k 10 k 3R9 3R9 100 K 47R DWG DWG DWG DWG TO-220FP TO-220FP SOT-23 AXIAL 1206 1206 0805 0805 0805 0805 0805 0805 0805 1206 DWG AXIAL AXIAL AXIAL AXIAL 1206 1206 0805 1206 1206 1206 0805 0805 1206 1206 Case/ package Wire jumper CM CHOKE - LFR2205B Not used FILTER INDUCTOR - LSR2306-1 PFC inductor - 86 H-5410B N-channel Power MOSFET N-channel Power MOSFET Small signal BJT - PNP HV resistor SMD std film res - 1% - 250ppm/C SMD std film res - 1% - 250ppm/C SMD std film res - 1% - 250ppm/C SMD std film res - 1% - 250ppm/C SMD std film res - 5% - 250ppm/C SMD std film res - 1% - 100ppm/C SMD std film res - 1% - 100ppm/C SMD std film res - 5% - 250ppm/C SMD std film res - 5% - 250ppm/C SMD std film res - 5% - 250ppm/C NTC resistor 2R5 S237 AXIAL res - 5% - 250ppm/C AXIAL res - 5% - 250ppm/C AXIAL res - 5% - 250ppm/C AXIAL res - 5% - 250ppm/C Not used SMD std film res - 5% - 250ppm/C SMD std film res - 1% - 100ppm/C SMD std film res - 5% - 250ppm/C SMD std film res - 5% - 250ppm/C SMD std film res - 5% - 250ppm/C SMD std film res - 5% - 250ppm/C SMD std film res - 5% - 250ppm/C SMD std film res - 5% - 250ppm/C SMD std film res - 5% - 250ppm/C DELTA ELECTRONICS DELTA ELECTRONICS DELTA ELECTRONICS STMICROELECTRONICS STMICROELECTRONICS VISHAY BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS EPCOS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS Description Supplier
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EVL6562A-400W Table 2.
Ref. des. R9 R101 R102 U1
Bill of material
Bill of material (continued)
Part type part value 510 k 0R0 0R0 L6562A Case/ package 1206 1206 1206 SO-8 Description SMD std film res - 1% - 250ppm/C SMD std film res - 5% - 250ppm/C SMD std film res - 5% - 250ppm/C Transition-mode PFC controller Supplier BC COMPONENTS BC COMPONENTS BC COMPONENTS STMICROELECTRONICS
7/9
Revision history
EVL6562A-400W
4
Revision history
Table 3.
Date 07-Feb-2008
Document revision history
Revision 1 Initial release. Changes
8/9
EVL6562A-400W
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