BL8305A

BL8305A

BL8305A

BALLAST CONTROL IC

BALLAST CONTROL IC

BALLAST CONTROL IC

http://www.belling.com.cn

- 2 -

8/28/2006

Total 8 Pages

6. The BL8305A is available in both PDIP14 and SOP14 packages. All pins

have Latch immunity and ESD protection.

APPLICATION INFORMATION

APPLICATION INFORMATION

APPLICATION INFORMATION

APPLICATION INFORMATION

Attention: This shematic for T8 36W only, other types lamp should change some components

Vcc

Vdc

BL8305A

GND

Pro

POFF

Cpre

Ct

LD

FD

HV

OUT2

OUT1

Rt

Rpre

1M

4.7u

IN4148

1n

15V

400V

175K

430K

10

10

13005

22n

13005

22n

FR107

FR107

2mH

100n

8.2n

T8

36W

IN4148 100K

0.1u

Rstart

Rp1

Rp2

Ct

Rt

Cp

C1

Ro

Co 47n

30

22

2

2

2

RHV

Fig. 1

Attention: This shematic for T8 36W only, other types lamp should change some components

Vcc

Vdc

BL8305A

GND

Pro

POFF

Cpre

Ct

LD

FD

HV

OUT2

OUT1

Rt

Rpre

1M

4.7u

IN4148

1n

15V

400V

175K

IRF830

IRF830

2mH

100n

8.2n

T8

36W

Rstart

Rp1

Rp2

Ct

Rt

Cp

C1

Co

1u

0.1u

2

100

100

Fig. 2