Reference DesignInfineon

42 W PFC-PSR-flyback Reference Design with ICL8810

42 W constant voltage PFC-PSR flyback reference design using the ICL8810 for LED lighting, featuring 54 V output, high power factor, and efficiency up to 91%.

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Overview

The REF_ICL8810_LED_42W_PSR is a reference design for a 42 W constant voltage power factor correction (PFC) flyback converter utilizing primary-side regulation (PSR). Built around the Infineon ICL8810 controller, the design achieves ±3.5% regulation accuracy without the need for an optocoupler or secondary-side error amplifier. It supports a universal input range of 100 to 264 VAC and provides a 54 V output at up to 750 mA. Key performance features include a power factor above 0.9, iTHD below 10% at half load, and peak efficiency of 91%. The document includes comprehensive schematics, PCB layout diagrams, a bill of materials, and transformer specifications.

Use Cases

On/off LED drivers
LED drivers with dimming levels down to 5%
Constant voltage primary-side regulated power supplies
High power factor lighting applications

Topics

ICL8810

Infineon

PFC

PSR

flyback converter

LED driver

constant voltage

primary-side regulation

power factor correction

REF_ICL8810_LED_42W_PSR

Referenced Parts

06035C104K4Z2A

AVX

Cap 100 nF/ 50 V/ 0603/ X7R/10% AVX 06035C104K4Z2A

ICL8810

Infineon

ICL8810/ / SOIC127P600X175- 8N-2/ / Infineon ICL8810

IPD80R900P7

Infineon

MOSFET, 0.9 Ohm, 800 V, DPAK/ / TO-252AA (DPAK) - small/ / Infineon IPD80R900P7

RGA470M1VBK-0611G

Lelon

ECap/47 uF/35 V/20%/ / Lelon RGA470M1VBK-0611G

GBU4M-BP

Micro Commercial Components

BRIDGE RECTIFIER/4 A/1000 V/ / SIP345W114P508L2205H2125Q4B/ MCC GBU4M-BP

DE1E3KX222MN4AP01F

Murata

2200p/Y-Cap/ / CAPRR1000W60L750T500H1150B/ Murata DE1E3KX222MN4AP01F

GRM31CR72A105KA01

Murata

Cap 1 uF/ 100 V/ 1206/ X7R/10% Murata GRM31CR72A105KA01

BC847C,215

Nexperia

Tra BC847C/ / SOT23 (TO-236AB)/ Nexperia BC847C,215

BZV55-C15,115

Nexperia

Dio 15 V/ / SOD80C/ / Nexperia BZV55-C15,115

UKA1E101MED1TD

Nichicon

ECap/100 uF/25 V/20%/ / Nichicon UKA1E101MED1TD

ERZE08A511

Panasonic

Varistor, 510 V/ 510 V/ Radial type/ /10% PANASONIC ERZE08A511

826936-4

TE Connectivity

Con 826936-4/ / CON-M-THT- 826936-4/ / TE Connectivity 826936-4

EKZE800ELL471MM20S

United Chemi-Con

470 uF/80 V/20%RADIAL/ / United Chemi-Con EKZE800ELL471MM20S

VS-15ETH03-M3

Vishay

HyperFast, 15 A, 300 V/ / TO508P450X1000X1965-2B/ / Vishay VS-15ETH03-M3

VY1222M47Y5UQ63V0

Vishay

2200p/500 VAC rad/ 500 VAC/ Disc/ Y5U/20% Vishay VY1222M47Y5UQ63V0

WSL1206R1800FEA

Vishay

Res 180mR/ 200 V/ 1206/ /1% Vishay WSL1206R1800FEA

06035C104K4Z2A

AVX

9 3 C38, C39, C108 Cap 100 nF/ 50 V/ 0603/ X7R/10% AVX 06035C104K4Z2A

ICL8810

Infineon

Infineon ICL8810

IPD80R900P7

Infineon

Infineon IPD80R900P7

DE1E3KX222MN4AP01F

Murata

Murata DE1E3KX222MN4AP01F

GRM31CR72A105KA01

Murata

16 1 C106 Cap 1 uF/ 100 V/ 1206/ X7R/10% Murata GRM31CR72A105KA01

UKA1E101MED1TD

Nichicon

Nichicon UKA1E101MED1TD

ERZE08A511

Panasonic

PANASONIC ERZE08A511

VS-15ETH03-M3

Vishay

Vishay VS-15ETH03-M3

VY1222M47Y5UQ63V0

Vishay

Vishay VY1222M47Y5UQ63V0

WSL1206R1800FEA

Vishay

42 1 R14 Res 180mR/ 200 V/ 1206/ /1% Vishay WSL1206R1800FEA

1N4006G

Onsemi

Dio 1N4006G/ 800 V/ DO-41 (Case 59-10)/ / ON Semiconductor 1N4006G

US1MFA

Onsemi

Dio US1MFA/ / SOD-23FL/ / ON Semiconductor US1MFA

691313510004

Wurth Electronics

Terminal block/4 pins/5.08 mm pitch/ / 691313510004/ / Würth Elektronik 691313510004

7447480471

Wurth Electronics

470UH/1.15 A/ / 7447480471 (WRU)/ / Würth Elektronik 7447480471

860020472003

Wurth Electronics

Cap 10 uF/ 25 V/ THT/ /20% Würth Elektronik 860020472003

860020472006

Wurth Electronics

Cap 47 uF/ 25 V/ THT/ /20% Würth Elektronik 860020472006

890334023023CS

Wurth Electronics

Cap 100 nF/ 310 VAC/ Radial/ /10% Würth Elektronik 890334023023CS

890334023025CS

Wurth Electronics

150 nF/ 310 VAC/ L13_W7_H13_P10_CS/ / Würth Elektronik 890334023025CS

SS-5H-2A-APH

Bussmann by Eaton

FUSE 300 V/2 A/ 300 V/ FUSRR508W62L835T430H820B/ / BUSSMANN BY EATON SS-5H-2A-APH

1N4148W-7-F

Diodes Incorporated

Dio 1N4148W/ / SOD123/ / Diodes Incorporated 1N4148W-7-F

B82732F2601B001

Epcos

Ind 68 mH/ / D_CHOKE_B82732F/ /30% Epcos B82732F2601B001

GCM31A7U2J151JX01

Murata

Cap 150 pF/ 630 V/ CAPC3216X100N/ U2J/5% Murata GCM31A7U2J151JX01

GRM319R71H104JA01

Murata

Cap 100 nF/ 50 V/ 1206/ X7R/5% Murata GRM319R71H104JA01

GRM319R72A104KA01

Murata

Cap 100 nF/ 100 V/ 1206/ X7R/10% Murata GRM319R72A104KA01

GRM31B5C2J681JW01

Murata

Cap 680 pF/ 630 V/ 1206/ C0G/5% Murata GRM31B5C2J681JW01

BAV103,115

NXP Semiconductors

0.25 A, 250 V/ 250 V/ SOD80C/ / NXP Semiconductors BAV103,115

B32672P6154

TDK Corporation

Cap 150 nF/ 630 V/ Radial type/ /10% TDK Corporation B32672P6154

CRCW060310K0FK

Vishay

Res 10k/ 75 V/ 0603/ /1% Vishay CRCW060310K0FK

CRCW06031K00FK

Vishay

Res 1k/ 75 V/ 0603/ /1% Vishay CRCW06031K00FK

CRCW060320K0FK

Vishay

Res 20k/ 75 V/ 0603/ /1% Vishay CRCW060320K0FK

CRCW060322K0FK

Vishay

Res 22k/ 75 V/ 0603/ /1% Vishay CRCW060322K0FK

CRCW060339K0FK

Vishay

Res 39k/ 75 V/ 0603/ /1% Vishay CRCW060339K0FK

CRCW06037K50FK

Vishay

Res 7.5k/ 75 V/ 0603/ /1% Vishay CRCW06037K50FK

CRCW0805100KFK

Vishay

Res 100k/ 150 V/ 0805/ /1% Vishay CRCW0805100KFK

CRCW0805180RFK

Vishay

Res 180R/ 150 V/ 0805/ /1% Vishay CRCW0805180RFK

CRCW08051K50FK

Vishay

Res 1.5k/ 150 V/ 0805/ /1% Vishay CRCW08051K50FK

CRCW080547R0FK

Vishay

Res 47R/ 150 V/ 0805/ /1% Vishay CRCW080547R0FK

CRCW12060000Z0

Vishay

Res 0R/ 200 V/ 1206/ /0R Vishay CRCW12060000Z0

CRCW1206100KFK

Vishay

Res 100k/ 200 V/ 1206/ /1% Vishay CRCW1206100KFK

CRCW120610R0FK

Vishay

Res 10R/ 200 V/ 1206/ /1% Vishay CRCW120610R0FK

CRCW12061K00FK

Vishay

Res 1k/ 200 V/ 1206/ /1% Vishay CRCW12061K00FK

CRCW12062M70FK

Vishay

Res 2.7MEG/ 200 V/ 1206/ /1% Vishay CRCW12062M70FK

CRCW120630K0FK

Vishay

Res 30k/ 200 V/ 1206/ /1% Vishay CRCW120630K0FK

CRCW120639R0FK

Vishay

Res 39R/ 200 V/ 1206/ /1% Vishay CRCW120639R0FK

CRCW1206910KFK

Vishay

Res 910k/ 200 V/ 1206/ /1% Vishay CRCW1206910KFK

250-203

WAGO

250-203/ / WAGO_250-203/ / WAGO 250-203

PQ262015

itacoil

PQ2620, 544 uH/ / PQ2620/ / itacoil PQ262015

B82732F2601B001

EPCOS

Epcos B82732F2601B001

GCM31A7U2J151JX01

Murata

Murata GCM31A7U2J151JX01

GRM319R71H104JA01

Murata

11 2 C41, C109 Cap 100 nF/ 50 V/ 1206/ X7R/5% Murata GRM319R71H104JA01

GRM319R72A104KA01

Murata

17 1 C107 Cap 100 nF/ 100 V/ 1206/ X7R/10% Murata GRM319R72A104KA01

GRM31B5C2J681JW01

Murata

4 1 C3 Cap 680 pF/ 630 V/ 1206/ C0G/5% Murata GRM31B5C2J681JW01

CRCW060310K0FK

Vishay

49 1 R41 Res 10k/ 75 V/ 0603/ /1% Vishay CRCW060310K0FK

CRCW06031K00FK

Vishay

48 2 R40, R42 Res 1k/ 75 V/ 0603/ /1% Vishay CRCW06031K00FK

CRCW060320K0FK

Vishay

35 1 R2 Res 20k/ 75 V/ 0603/ /1% Vishay CRCW060320K0FK

CRCW060322K0FK

Vishay

41 1 R10 Res 22k/ 75 V/ 0603/ /1% Vishay CRCW060322K0FK

CRCW060339K0FK

Vishay

45 1 R17 Res 39k/ 75 V/ 0603/ /1% Vishay CRCW060339K0FK

CRCW06037K50FK

Vishay

50 1 R43 Res 7.5k/ 75 V/ 0603/ /1% Vishay CRCW06037K50FK

CRCW0805100KFK

Vishay

52 2 R111, R112 Res 100k/ 150 V/ 0805/ /1% Vishay CRCW0805100KFK

CRCW0805180RFK

Vishay

40 1 R9 Res 180R/ 150 V/ 0805/ /1% Vishay CRCW0805180RFK

CRCW08051K50FK

Vishay

34 1 R1 Res 1.5k/ 150 V/ 0805/ /1% Vishay CRCW08051K50FK

CRCW080547R0FK

Vishay

44 1 R16 Res 47R/ 150 V/ 0805/ /1% Vishay CRCW080547R0FK

CRCW1206100KFK

Vishay

39 3 R7, R8, R110 Res 100k/ 200 V/ 1206/ /1% Vishay CRCW1206100KFK

CRCW120610R0FK

Vishay

46 1 R18 Res 10R/ 200 V/ 1206/ /1% Vishay CRCW120610R0FK

CRCW120610R0FK

Vishay

51 1 R101 Res 10R/ 200 V/ 1206/ /1% Vishay CRCW120610R0FK

CRCW12061K00FK

Vishay

36 1 R3 Res 1k/ 200 V/ 1206/ /1% Vishay CRCW12061K00FK

CRCW12062M70FK

Vishay

37 2 R4, R5 Res 2.7MEG/ 200 V/ 1206/ /1% Vishay CRCW12062M70FK

CRCW120630K0FK

Vishay

47 3 R19, R29, R30 Res 30k/ 200 V/ 1206/ /1% Vishay CRCW120630K0FK

CRCW120639R0FK

Vishay

43 1 R15 Res 39R/ 200 V/ 1206/ /1% Vishay CRCW120639R0FK

CRCW1206910KFK

Vishay

38 1 R6 Res 910k/ 200 V/ 1206/ /1% Vishay CRCW1206910KFK

06035C104K4Z2A	AVX	Cap 100 nF/ 50 V/ 0603/ X7R/10% AVX 06035C104K4Z2A
ICL8810	Infineon	ICL8810/ / SOIC127P600X175- 8N-2/ / Infineon ICL8810
IPD80R900P7	Infineon	MOSFET, 0.9 Ohm, 800 V, DPAK/ / TO-252AA (DPAK) - small/ / Infineon IPD80R900P7
RGA470M1VBK-0611G	Lelon	ECap/47 uF/35 V/20%/ / Lelon RGA470M1VBK-0611G
GBU4M-BP	Micro Commercial Components	BRIDGE RECTIFIER/4 A/1000 V/ / SIP345W114P508L2205H2125Q4B/ MCC GBU4M-BP
DE1E3KX222MN4AP01F	Murata	2200p/Y-Cap/ / CAPRR1000W60L750T500H1150B/ Murata DE1E3KX222MN4AP01F
GRM31CR72A105KA01	Murata	Cap 1 uF/ 100 V/ 1206/ X7R/10% Murata GRM31CR72A105KA01
BC847C,215	Nexperia	Tra BC847C/ / SOT23 (TO-236AB)/ Nexperia BC847C,215
BZV55-C15,115	Nexperia	Dio 15 V/ / SOD80C/ / Nexperia BZV55-C15,115
UKA1E101MED1TD	Nichicon	ECap/100 uF/25 V/20%/ / Nichicon UKA1E101MED1TD
ERZE08A511	Panasonic	Varistor, 510 V/ 510 V/ Radial type/ /10% PANASONIC ERZE08A511
826936-4	TE Connectivity	Con 826936-4/ / CON-M-THT- 826936-4/ / TE Connectivity 826936-4
EKZE800ELL471MM20S	United Chemi-Con	470 uF/80 V/20%RADIAL/ / United Chemi-Con EKZE800ELL471MM20S
VS-15ETH03-M3	Vishay	HyperFast, 15 A, 300 V/ / TO508P450X1000X1965-2B/ / Vishay VS-15ETH03-M3
VY1222M47Y5UQ63V0	Vishay	2200p/500 VAC rad/ 500 VAC/ Disc/ Y5U/20% Vishay VY1222M47Y5UQ63V0
WSL1206R1800FEA	Vishay	Res 180mR/ 200 V/ 1206/ /1% Vishay WSL1206R1800FEA
06035C104K4Z2A	AVX	9 3 C38, C39, C108 Cap 100 nF/ 50 V/ 0603/ X7R/10% AVX 06035C104K4Z2A
ICL8810	Infineon	Infineon ICL8810
IPD80R900P7	Infineon	Infineon IPD80R900P7
DE1E3KX222MN4AP01F	Murata	Murata DE1E3KX222MN4AP01F
GRM31CR72A105KA01	Murata	16 1 C106 Cap 1 uF/ 100 V/ 1206/ X7R/10% Murata GRM31CR72A105KA01
UKA1E101MED1TD	Nichicon	Nichicon UKA1E101MED1TD
ERZE08A511	Panasonic	PANASONIC ERZE08A511
VS-15ETH03-M3	Vishay	Vishay VS-15ETH03-M3
VY1222M47Y5UQ63V0	Vishay	Vishay VY1222M47Y5UQ63V0
WSL1206R1800FEA	Vishay	42 1 R14 Res 180mR/ 200 V/ 1206/ /1% Vishay WSL1206R1800FEA
1N4006G	Onsemi	Dio 1N4006G/ 800 V/ DO-41 (Case 59-10)/ / ON Semiconductor 1N4006G
US1MFA	Onsemi	Dio US1MFA/ / SOD-23FL/ / ON Semiconductor US1MFA
691313510004	Wurth Electronics	Terminal block/4 pins/5.08 mm pitch/ / 691313510004/ / Würth Elektronik 691313510004
7447480471	Wurth Electronics	470UH/1.15 A/ / 7447480471 (WRU)/ / Würth Elektronik 7447480471
860020472003	Wurth Electronics	Cap 10 uF/ 25 V/ THT/ /20% Würth Elektronik 860020472003
860020472006	Wurth Electronics	Cap 47 uF/ 25 V/ THT/ /20% Würth Elektronik 860020472006
890334023023CS	Wurth Electronics	Cap 100 nF/ 310 VAC/ Radial/ /10% Würth Elektronik 890334023023CS
890334023025CS	Wurth Electronics	150 nF/ 310 VAC/ L13_W7_H13_P10_CS/ / Würth Elektronik 890334023025CS
SS-5H-2A-APH	Bussmann by Eaton	FUSE 300 V/2 A/ 300 V/ FUSRR508W62L835T430H820B/ / BUSSMANN BY EATON SS-5H-2A-APH
1N4148W-7-F	Diodes Incorporated	Dio 1N4148W/ / SOD123/ / Diodes Incorporated 1N4148W-7-F
B82732F2601B001	Epcos	Ind 68 mH/ / D_CHOKE_B82732F/ /30% Epcos B82732F2601B001
GCM31A7U2J151JX01	Murata	Cap 150 pF/ 630 V/ CAPC3216X100N/ U2J/5% Murata GCM31A7U2J151JX01
GRM319R71H104JA01	Murata	Cap 100 nF/ 50 V/ 1206/ X7R/5% Murata GRM319R71H104JA01
GRM319R72A104KA01	Murata	Cap 100 nF/ 100 V/ 1206/ X7R/10% Murata GRM319R72A104KA01
GRM31B5C2J681JW01	Murata	Cap 680 pF/ 630 V/ 1206/ C0G/5% Murata GRM31B5C2J681JW01
BAV103,115	NXP Semiconductors	0.25 A, 250 V/ 250 V/ SOD80C/ / NXP Semiconductors BAV103,115
B32672P6154	TDK Corporation	Cap 150 nF/ 630 V/ Radial type/ /10% TDK Corporation B32672P6154
CRCW060310K0FK	Vishay	Res 10k/ 75 V/ 0603/ /1% Vishay CRCW060310K0FK
CRCW06031K00FK	Vishay	Res 1k/ 75 V/ 0603/ /1% Vishay CRCW06031K00FK
CRCW060320K0FK	Vishay	Res 20k/ 75 V/ 0603/ /1% Vishay CRCW060320K0FK
CRCW060322K0FK	Vishay	Res 22k/ 75 V/ 0603/ /1% Vishay CRCW060322K0FK
CRCW060339K0FK	Vishay	Res 39k/ 75 V/ 0603/ /1% Vishay CRCW060339K0FK
CRCW06037K50FK	Vishay	Res 7.5k/ 75 V/ 0603/ /1% Vishay CRCW06037K50FK
CRCW0805100KFK	Vishay	Res 100k/ 150 V/ 0805/ /1% Vishay CRCW0805100KFK
CRCW0805180RFK	Vishay	Res 180R/ 150 V/ 0805/ /1% Vishay CRCW0805180RFK
CRCW08051K50FK	Vishay	Res 1.5k/ 150 V/ 0805/ /1% Vishay CRCW08051K50FK
CRCW080547R0FK	Vishay	Res 47R/ 150 V/ 0805/ /1% Vishay CRCW080547R0FK
CRCW12060000Z0	Vishay	Res 0R/ 200 V/ 1206/ /0R Vishay CRCW12060000Z0
CRCW1206100KFK	Vishay	Res 100k/ 200 V/ 1206/ /1% Vishay CRCW1206100KFK
CRCW120610R0FK	Vishay	Res 10R/ 200 V/ 1206/ /1% Vishay CRCW120610R0FK
CRCW12061K00FK	Vishay	Res 1k/ 200 V/ 1206/ /1% Vishay CRCW12061K00FK
CRCW12062M70FK	Vishay	Res 2.7MEG/ 200 V/ 1206/ /1% Vishay CRCW12062M70FK
CRCW120630K0FK	Vishay	Res 30k/ 200 V/ 1206/ /1% Vishay CRCW120630K0FK
CRCW120639R0FK	Vishay	Res 39R/ 200 V/ 1206/ /1% Vishay CRCW120639R0FK
CRCW1206910KFK	Vishay	Res 910k/ 200 V/ 1206/ /1% Vishay CRCW1206910KFK
250-203	WAGO	250-203/ / WAGO_250-203/ / WAGO 250-203
PQ262015	itacoil	PQ2620, 544 uH/ / PQ2620/ / itacoil PQ262015
B82732F2601B001	EPCOS	Epcos B82732F2601B001
GCM31A7U2J151JX01	Murata	Murata GCM31A7U2J151JX01
GRM319R71H104JA01	Murata	11 2 C41, C109 Cap 100 nF/ 50 V/ 1206/ X7R/5% Murata GRM319R71H104JA01
GRM319R72A104KA01	Murata	17 1 C107 Cap 100 nF/ 100 V/ 1206/ X7R/10% Murata GRM319R72A104KA01
GRM31B5C2J681JW01	Murata	4 1 C3 Cap 680 pF/ 630 V/ 1206/ C0G/5% Murata GRM31B5C2J681JW01
CRCW060310K0FK	Vishay	49 1 R41 Res 10k/ 75 V/ 0603/ /1% Vishay CRCW060310K0FK
CRCW06031K00FK	Vishay	48 2 R40, R42 Res 1k/ 75 V/ 0603/ /1% Vishay CRCW06031K00FK
CRCW060320K0FK	Vishay	35 1 R2 Res 20k/ 75 V/ 0603/ /1% Vishay CRCW060320K0FK
CRCW060322K0FK	Vishay	41 1 R10 Res 22k/ 75 V/ 0603/ /1% Vishay CRCW060322K0FK
CRCW060339K0FK	Vishay	45 1 R17 Res 39k/ 75 V/ 0603/ /1% Vishay CRCW060339K0FK
CRCW06037K50FK	Vishay	50 1 R43 Res 7.5k/ 75 V/ 0603/ /1% Vishay CRCW06037K50FK
CRCW0805100KFK	Vishay	52 2 R111, R112 Res 100k/ 150 V/ 0805/ /1% Vishay CRCW0805100KFK
CRCW0805180RFK	Vishay	40 1 R9 Res 180R/ 150 V/ 0805/ /1% Vishay CRCW0805180RFK
CRCW08051K50FK	Vishay	34 1 R1 Res 1.5k/ 150 V/ 0805/ /1% Vishay CRCW08051K50FK
CRCW080547R0FK	Vishay	44 1 R16 Res 47R/ 150 V/ 0805/ /1% Vishay CRCW080547R0FK
CRCW1206100KFK	Vishay	39 3 R7, R8, R110 Res 100k/ 200 V/ 1206/ /1% Vishay CRCW1206100KFK
CRCW120610R0FK	Vishay	46 1 R18 Res 10R/ 200 V/ 1206/ /1% Vishay CRCW120610R0FK
CRCW120610R0FK	Vishay	51 1 R101 Res 10R/ 200 V/ 1206/ /1% Vishay CRCW120610R0FK
CRCW12061K00FK	Vishay	36 1 R3 Res 1k/ 200 V/ 1206/ /1% Vishay CRCW12061K00FK
CRCW12062M70FK	Vishay	37 2 R4, R5 Res 2.7MEG/ 200 V/ 1206/ /1% Vishay CRCW12062M70FK
CRCW120630K0FK	Vishay	47 3 R19, R29, R30 Res 30k/ 200 V/ 1206/ /1% Vishay CRCW120630K0FK
CRCW120639R0FK	Vishay	43 1 R15 Res 39R/ 200 V/ 1206/ /1% Vishay CRCW120639R0FK
CRCW1206910KFK	Vishay	38 1 R6 Res 910k/ 200 V/ 1206/ /1% Vishay CRCW1206910KFK