Design guide for LED Lighting Controller XC9401(8/9)

8. Examples of solutions and characteristics

By changing the external components, the XC9401 can be used for a variety of applications in addition to the typical circuits shown in section 4. Examples of typical XC9401 solutions are shown in Table 1.
Circuit schematics, external components, and characteristics of some of the typical solutions in Table 1 are provided in the next section. Refer to this section for details.

Table 1: XC9401 Solution Examples
No. Input
Voltage
Type Isolation/
Non-Isolation
Topology Reference designs
Output
Power
LED Voltage/
LED Current
Efficiency/
Power Factor
Line Regulation (*1) Option
1-1 100VAC
/110VAC
C Non-Isolation Buck 7.2W 60V/
120mA
91%/
0.5~0.65
≦1% -
1-2 C 7.2W 20V/
360mA
87%/
0.7~0.85
≦1% Valley-Fill
1-3 A 7.2W 20V/
360mA
88%/0.95~ Same As
Input
-
2-1 220VAC
/240VAC
C Non-Isolation Buck 7.2W 60V/
120mA
85%/
0.5~0.65
≦1% -
2-2 C Isolation Flyback 7.0W 19.2V/
360mA
83%/
0.5~0.65
≦1% -
2-3 A 7.2W 20V/
360mA
82%/
0.9~
Same As Input×1.2 -
3-1 400VDC C Non-Isolation Buck 104W 200V/
520mA
97%/
-
≦1% With PFC circuit
PWM Dimming
4-1 DC input B - Buck 3.5W 9.6V/
350mA
92%/
-
≦1% -
4-2 B Buck-Boost 14W 20V/
700mA
86%/
-
≦5% -
5-1 12VAC C - Buck 2.7W 9V/
300mA
87%/
-
≦7% For MR16

(*1) Line regulation can be improved by adjusting with an external resistance.
(For details, refer to section 6-11.)

8-1-1: Example of 100VAC / 110VAC non-isolated step-down C type solution

Typical Application Circuit

ItemQ'tyValueDescriptionSize/PKGPart NumberManufacture
IC1-LED Driver ICSOT-25XC9401C60CSR-GTOREX
C110.1μFSafety Capacitor X2,275VAC5.0×13.0R46KF310000N1KKemet
C2122µFCapacitor, Electrolytic,160V,±20%φ10.0x20.0EKXG161ELL220MJ20SNippon Chemi-con
C3110µFCapacitor, Ceramic,25V,X6S,±10%2012 GRM21BC81E106KE11LMurata
C410.1µFCapacitor, Ceramic,100V,X7R,±10%2012GRM21BR72A104KAC4LMurata
L111.2mHInductor, 0.75A(Isat), 1.44Ωφ10.5x14.57447480122Würth Elektronik
L213.3mHInductor, SMD, 0.35A, 6.4Ω12.7x12.7SRR1208-332KL BOURNS
D11-Diode, Fast Rec., 0.7A, 200VSOD-123RF071M2SRohm
ZD11-Zener Diode, 12VSmin2-F5-BDZ2J120M0LPanasonic
R311.8ΩResistor, Chip, 0.1W, 50V1608RMC1/16-1R8FKamaya
R4-Jumper----
R5
R6
133kΩResistor, Chip, 0.33W, 200V3225RK73B2ETTD333JKOA
R7120ΩResistor, Chip, 0.1W, 50V1608RMC1/16K200FKamaya
Q11-MOSFET, Nch, 600V, 1.7A, 2.97ΩTO-252IPD60R3K3C6Infineon
BR1-Bridge Rectifier, 1A, 400VMDIPXBR11A4-GTOREX

*LED: VLED=3.0V x 20, ILED Target = 120mA (Both average value)

Evaluation Result

(1)Efficiency vs Input Voltage(RMS)Ta=25℃

(2)LED Current vs Input Voltage(RMS)Ta=25℃

(3)Power Factor vs Input Voltage(RMS)Ta=25℃

Test board Photo of exterior

Top View

Bottom View

                               

Test board layout

Top View

Bottom View(see-through)

  

8-2-1: Example of 220VAC / 240VAC non-isolated step-down C type solution

Typical Application Circuit

ItemQ'tyValueDescriptionSize/PKGPart NumberManufacture
IC1-LED Driver ICSOT-25XC9401C60CSR-GTOREX
C110.1µFSafety Capacitor X2,275VAC5.0×13.0R46KF310000N1KKemet
C212.2µFCapacitor, Electrolytic,400V,±20%φ10.0x12.5 400BXC2R2MEFC10X12.5Rubycon
C3110µFCapacitor, Ceramic,25V,X6S,±10%2012GRM21BC81E106KE11LMurata
C410.1µFCapacitor, Ceramic,100V,X7R,±10%2012GRM21BR72A104KAC4LMurata
L111mHInductor, 0.4A(Isat), 2.2Ω-5800-102-RCBOURNS
L213.3mHInductor, SMD, 0.35A, 6.4Ω12.7x12.7SRR1208-332KLBOURNS
D11-Diode, Fast Rec., 1A, 400VSOD-106RF071L4STE25Rohm
ZD11-Zener Diode, 12VSmin2-F5-BDZ2J120M0LPanasonic
R312.0ΩResistor, Chip, 0.1W, 50V1608RMC1/16-2R0FKamaya
R4-Jumper----
R51100kΩResistor, Chip, 0.5W, 500V5025RVC50K104FKamaya
R6168kΩResistor, Chip, 0.5W, 500V5025RVC50K683FKamaya
R7120ΩResistor, Chip, 0.1W, 50V1608RMC1/16K200FKamaya
Q11-MOSFET, Nch, 600V, 1.7A, 2.97ΩTO-252IPD60R3K3C6Infineon
BR1-Bridge Rectifier, 1A, 800VMDIPXBR11A8-GTOREX

*LED: VLED=3.0V x 20, ILED Target = 120mA (Both average value)

Evaluation Result

(1)Efficiency vs Input Voltage(RMS)Ta=25℃

(2)LED Current vs Input Voltage(RMS)Ta=25℃

(3)Power Factor vs Input Voltage(RMS)Ta=25℃

Test board Photo of exterior

Top View

Bottom View

Test board layout

Top View

Bottom View(see-through)

  

8-2-2: Example of 220VAC / 240VAC isolated flyback C type solution

Typical Application Circuit

ItemQ'tyValueDescriptionSize/PKGPart NumberManufacture
IC1-LED Driver ICSOT-25XC9401C603MR-GTOREX
C110.1µFSafety Capacitor X2,275VAC5.0×13.0R46KF310000N1KKemet
C212.2µFCapacitor, Electrolytic,400V,±20%φ10.0×12.5400BXC2R2MEFC10X12.5Rubycon
C3110µFCapacitor, Ceramic,25V,X6S,±10%2012GRM21BC81E106KE11LMurata
C414.7µFCapacitor, Ceramic,50V,X7R,±10%3216GRM31CR71H475KA12LMurata
C6110nFCapacitor,Ceramic,1kV,X7R3225GRM32QR73A103KW01LMurata
C712.2nFSafety-Capacitor Y1,300VAC,B-DE1E3KX222MA4BP01FMurata
L111mHInductor, 0.40A(Isat), 2.2Ω-5800-102-RCBOURNS
LT11-transformer-750813551Würth Elektronik
D11-Diode, Fast Rec., 1.0A, 1000VSMASTTH110ASTMicroelectronics
D21-Diode, Fast Rec., 1.0A, 200VSMBMURS120T3GOn semiconductor
D31-Diode, Fast Rec., 0.2A, 200VSOD-323BAS20HT1GOn semiconductor
ZD11-Zener Diode, 200VDO-219ABBZD27C200PVishay
R31Jumper----
R411.5ΩResistor, Chip, 0.1W1608RMC1/16K-1R5FKamaya
R5
R6
1470kΩResistor, Chip, 0.25W, 500V3216HV732BTBK474JKOA
R7120ΩResistor, Chip, 0.1W, 50V1608RMC1/16K200FKamaya
R8151kΩResistor, Chip, 0.5W, 200V3225ERJP14F5102UPanasonic
R91470ΩResistor, Chip, 0.125W, 150V2012RC0805FR-07470RLYageo
R10
R11
1470kΩResistor, Chip, 0.125W, 400V2012RVC20K474FKamaya
R121510ΩResistor, Chip, 0.1W, 50V1608RMC1/16K511FKamaya
Q11-MOSFET, Nch, 800V, 2.5A, 3.8ΩD-PAKSTD3NK80ZT4STMicroelectronics
BR1-Bridge Rectifier, 1A, 800VMDIPXBR11A8-GTOREX

*LED: VLED=3.2V x 6, ILED Target = 360mA (Both average value)

Evaluation Result

(1)Efficiency vs Input Voltage(RMS)Ta=25℃

(2)LED Current vs Input Voltage(RMS)Ta=25℃

(3)Power Factor vs Input Voltage(RMS)Ta=25℃

Test board Photo of exterior

Top View

Bottom View

Test board layout

Top View

Bottom View(see-through)

8-3-1: Example of 400VDC non-isolated step-down C type solution

Typical Application Circuit

ItemQ'tyValueDescriptionSize/PKGPart NumberManufacture
IC1-LED Driver ICSOT-25XC9401C60CSR-GTOREX
C2110µFCapacitor, Ceramic,25V,X6S,±10%2012GRM21BC81E106KE11LMurata
C3122µFCapacitor, Electrolytic,250V,±20%φ10.0×20.0EKXG251ELL220MJ20SNippon Chemi-con
L131mHInductor, SMD, 0.4A, 1.4Ω12.0×12.07687709102Würth Elektronik
D11-Diode, Fast Rec, 5A, 600VD-PAKBYV25FD-600NXP Semiconductor
R110.51ΩResistor, Chip, 0.2W1608RL0816S-R51-FSusumu
R4
R5
1220kΩResistor, Chip, 0.125W, 150V2012RC0805FR-07220KLYageo
R8120ΩResistor, Chip, 0.1W, 50V1608RMC1/16K200FKamaya
R1212kΩResistor, Chip, 0.1W, 50V1608RMC1/16K202FKamaya
Q11-MOSFET, Nch, 650V, 3.2A, 1.26ΩTO-252SPD03N60C3infineon

*LED: VLED=3.2V x 62, ILED Target = 520mA (Both average value) *Test conditions : VDD_Ext=18V

Evaluation Result

(1)Efficiency vs Input Voltage Ta=25℃

(2)LED Current vs Input Voltage Ta=25℃

(3)PWM Duty vs LED Curren t(%)Ta=25℃

8-4-1 : Example of 15VDC input step-down B type solution

Typical Application Circuit

ItemQ'tyValueDescriptionSize/PKGPart NumberManufacture
IC1-LED Driver ICSOT-26XC9401B605MR-GTOREX
C2122µFCapacitor, Ceramic,25V,B,±20%3216GRM32EB31E226ME15Murata
C311µFCapacitor, Ceramic,25V,B,±10%1608TMK107BJ105KATaiyo Yuden
C4110µFCapacitor, Ceramic,25V,X5R,±10%3216TMK316BJ106KLTaiyo Yuden
L21100µHInductor, SMD, 1A, 0.28Ω7.7x8.0VLP8040T-101MTDK-EPC
D11-Diode, Schottky, 2A, 40VSMAXBS204S17R-GTOREX
ZD11-Zener Diode, 12VSmin2-F5-BDZ2J120M0LPanasonic
R310.47ΩResistor, Chip, 0.5W3216RLC32KR470FKamaya
R410.1ΩResistor, Chip, 0.5W3216RLC32-R100FKamaya
R61470ΩResistor, Chip, 0.1W, 50V1608RMC1/16K471FKamaya
R7-Jumper----
Q11-MOSFET, Nch, 30V, 0.09ΩSOT-23XP151A11B0MR-GTOREX

*LED: VLED=3.2V x 3, ILED Target = 360mA

Evaluation Result

(1)Efficiency vs Input Voltage Ta=25℃

(2)LED Current vs Input Voltage Ta=25℃

8-4-2 : Example of 10VDC~15VDC input, buck-boost B type solution

Typical Application Circuit

ItemQ'tyValueDescriptionSize/PKGPart NumberManufacture
IC1-LED Driver ICSOT-26XC9401B605MR-GTOREX
C1122µFCapacitor, Ceramic,25V,B,±20%3225GRM32EB31E226ME15Murata
C2110µFCapacitor, Ceramic,35V,B,±10%3225GRM32EB3YA106KA12LMurata
L1147µFInductor, SMD, 5.28A(Sat), 72mΩ12.5x12.5DR127-470-RCooper Bussmann
R1
R2
10.22ΩResistor, Chip3216RLC32-R220FKamaya
R311kΩResistor, Chip1608RMC1/16K102FKamaya
D11-Diode, Schottky, 2A, 60VDO-15SB260-E3/73Vishay
Q11-MOSFET, Nch, 60V, 84mΩSOT-223NDT3055 Fairchild

*LED: VLED=3.4V x 6, ILED Target = 700mA

Evaluation Result

(1)Efficiency vs Input Voltage Ta=25℃

(2)LED Current vs Input Voltage Ta=25℃

8-5-1 : Example of 12VAC input step-down C type solution

Typical Application Circuit

ItemQ'tyValueDescriptionSize/PKGPart NumberManufacture
IC1-LED Driver ICSOT-25XC9401C603MR-GTOREX
C114.7µFCapacitor, Ceramic,50V,X7R,±10%3216GRM31CR71H475KA12LMurata
C21220µFCapacitor, Aluminum,25V,±20%φ6.3×11.5EKMQ250ELL221MF11DNippon Chemi-con
C311µFCapacitor, Ceramic,25V,B,±10%1608TMK107BJ105KATaiyo Yuden
L11100µHInductor, SMD, 0.8A, 0.51Ω6.0 x 6.0VLP6045LT-101MTDK-EPC
R110.68ΩResistor, Chip1608RL0816S-R68-FSusumu
R211.3ΩResistor, Chip1608RMC1/16K-1R3FKamaya
R311kΩResistor, Chip1608RMC1/16K102FKamaya
D1
D2
D3
D4
1-Diode, Schottky, 1A, 40VSOD-123AXBS104S13R-GTOREX
D51-Diode, Schottky, 1A, 40VSOD-123AXBS104S13R-GTOREX
Q11-MOSFET, Nch, 30V, 0.13ΩSOT-23XP151A11B0MR-GTOREX
ZD11-Zener Diode, 12VSmin2-F5-BDZ2J120M0LPanasonic

*LED: VLED=3.0V x 3, ILED Target = 300mA (Both average value)

Evaluation Result

(1)Efficiency vs Input Voltage(RMS)Ta=25℃

(2)LED Current vs Input Voltage(RMS)Ta=25℃

Test board Photo of exterior

Top View

Bottom View

Test board layout

Top View

Bottom View(see-through)

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