AN75

Issue 1 – January 2011

7

www.diodes.com

© Diodes Incorporated 2010

The BOM in table 1 and the PCB layout in Figure 2 complete the tools needed to design a high power

factor LED driver using the AL9910. Figure 3 shows the picture of the completed LED driver designed

with a footprint to fit inside the T8 LED Fluorescent replacement lamp tube.

Table 1 BOM

Ref.

Descriptions

Part number

Package

Mfr.

U1

Universal high brightness

LED driver

AL9910

SO8

Diodes Inc.

D1, D2, D3

1A, 1kV diode t

S1M-13-F

SMA

Diodes Inc.

D4

Ultra-fast-recovery diode

1A, 600V, t

MUR160

DO201AD

Diodes Inc.

DB1

1A, 600V bridge rectifier

DF06S

DF-S

Diodes Inc.

C1, C2

15μF, 450V electrolytic

capacitor +/-20% 1000hrs

@ 105ºC

EEUED2W150

400KXW27M10X30

UCY2G150MPD

5mm pitch

Panasonic

Rubicon

Nichicon

C4

4.7μF, 50V electrolytic

capacitor +/-20% 1000hrs

@ 105ºC

ECE-A1HKG4R7

1.5mm pitch

Panasonic

C5

10μF 450V electrolytic

capacitor +/-20% 1000hrs

@ 105ºC, 10mm diameter

EEUEE2W100U

5mm pitch

Panasonic

CX1, CX2,

CX3, CX4

100nF, 275VAC, Film, X2

ECQU2A104ML

17.5mm pitch

Panasonic

F1

10Ohm 1W fusible

resistor +/-200ppm

NFR0100001009JR500

Through-hole

axial

Vishay

L1

6.8mH inductor +/-10%

290mA radial

19R685C

5mm pitch

Murata

L2

30mH common-mode

inductor, 8mm height

B82791G2301N001

10mm pitch

EPCOS

L3, L4

3.3mH inductor +/-10%

420mA radial

19R335C

6mm pitch

Murata

MOV1

275V, 21J, 9mm, Radial

B72207S0271K101

5mm pitch

EPCOS

Q1

N-ch MOSFET 600V,

3.2A, Q

SPB03N60S5

TO263

Infineon

R1

10R 3W wire wound

resistor, 50ppm/ºC, +/-1%

UB3C-10RF1

Through-hole

axial

Riedon

R2

3k 0.25W resistor +/-5%

Any

1206

Any

R5

1R2 0.25W +/-1%

Any

1206

Any

R6

2R7 0.25W +/-1%

Any

1206

Any

R7

100R 0.25W +/-1%

Any

1206

Any

R

T

330k 0.125W resistor +/-

1%

Any

1206

Any

R10

10R 0.25W +/-5%

Any

1206

Any