CCFL Backlight and

LCD Contrast Controllers

12

______________________________________________________________________________________

Table 4. Bill of Materials

RESISTOR

VALUE (

Ω)

TOLERANCE (%)

R1

100,000

±10

R2

100,000

±10

R3

1,000,000

±1

R4

40,200

±1

R5

100,000

±1

R6

13,300

±1

R7

100,000

±10

R8

549

±1

R10

680

±5

R16

100,000

±10

R17

100,000

±10

R18

100,000

±5

CAPACITOR

WORKING

VOLTAGE (V)

CHARACTERISTICS

C1

0.1

6

C2

22

20

Low ESR

C3

0.1

20

C4

0.1

6

C5

0.01

6

Non-polarized

C6

10

50

C7

1

6

C8

1

30

C9

22

63

C10

1.5E-5

3000

High voltage

OTHER

COMPONENTS

SURFACE-

MOUNT PART

NUMBER

PACKAGE

BREAKDOWN

VOLTAGE (V)

GENERIC

PART NO.

MANUFACTURER

Q1

CMPTA06

SOT-23

80

MPSA06

Central Semi.

Q2

CMPT2907A

SOT-23

60

2N2907

Central Semi.

Q3

SOT-23

60

3055EL

Motorola

Q4

MMFT3055ELT1

SOT-23

50

Zetex

Q5

FMMT619

SOT-23

50

Zetex

D1A

CMPD4150

SOT-23

75

1N4150

Central Semi.

D1B

CMPD4150

SOT-23

75

1N4150

Central Semi.

D2A

CMPD4150

SOT-23

75

1N4150

Central Semi.

D2B

CMPD4150

SOT-23

75

1N4150

Central Semi.

D3

EC10QS05

D-64

50

1N5819

Nihon

D4

CMPD4150

SOT-23

75

1N4150

Central Semi.

D5

EC10QS02L

D-64

20

1N5817

Nihon

D6A

CMPD4150

SOT-23

75

1N4150

Central Semi.

D6B

CMPD4150

SOT-23

75

1N4150

Central Semi.

D7A

CMPD4150

SOT-23

75

1N4150

Central Semi.

D7B

CMPD4150

SOT-23

75

1N4150

Central Semi.

VALUE (µF)

FMMT619

Note: For T1, Use Sumida EPS207. Request No. USC-145, Special No. 6358-JP5-010.