MP4051—NON-ISOLATED OFFLINE LED CONTROLLER WITH ACTIVE PFC

MP4051 Rev. 1.01

www.MonolithicPower.com

14

1/21/2014

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© 2014 MPS. All Rights Reserved.

TYPICAL APPLICATION CIRCUIT

VCC

3

GND

6

GATE

4

ZCD

2

CS 5

FB

7

MULT

1

COMP

8

U1

MP4051

OUTPUT:

R1

1k/1%

1206

R4

10k

1%

F1

250V/2A

85-265VAC

RV1

ERZ-V10D431

430V/2500A

BD1

KBP206

600V/2A

D1

BZT52C27

27V/2mA

R8

1.1/1%

1206

R15

16k/1%

13Ts

0.20mm

161Ts

0.33mm

R16

3k/1%

R12

1k/1%

R11

510/1%

R9

2.2/1%

1206

R10

3.3/1%

1206

R16

150k/1%

1206

R2

1k/1%

1206

C1

220nF

400V

R3

1M

R5

510k

R6

51

R13

100

AGND

AGND

PGND

D2

BAV21W

200V/0.2A

D3

1N4148WS

75V/0.15A

D5

HER208

1kV/2A

D4

75V/0.15A

1N4148WS

R7

51/1%

1206

PGND

AGND

AGND

PGND

PGND

C2

22nF

16V

CX1

100nF/275VAC

L1

3.3mH

500mA

L2

3.3mH

500mA

L3

20mH

500mA

LED-

LED+

200-300V/80mA

Figure 11—Universal Input, Non-isolated High-side Buck-boost Converter,

Drive 200V-300V/80mA LED Lamp

MULT

1

ZCD

2

VCC

3

GATE

GATE 4

CS 5

GND 6

FB 7

COMP

8

LED+

GND

GND

GND

GND

ZCD

GATE

D4

WGC10GH/400V/1A

D3

BZT52C16/16V/5mA

R12

4k/1%/0603

C5

100nF/400VAC

D2

1N4148WT/75V/0.15A

LED+

LED-

D1

S3J/600V/4A

M1

SM K0870F/700V/8A

R7

5k/1206

R16

1M/0603

VCC

MP4051

U1

GND

L

N

Figure 12—100VAC Input, Non-isolated High-side Buck Converter, Drive 12 LEDs in Series,

150mA LED Current for 6W LED Bulb Lighting