L6567D View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

L6567D

HIGH VOLTAGE DRIVER FOR CFL

STMicroelectronics 

L6567

Figure 11. Frequency vs IRHV @ CF= 150pF

80.00

60.00

40.00

20.00

R ref=20 K

R ref=22 K

Rr ef= 24 K

R re f=27K

R re f=30K

R ref= 33K

Rr ef= 36 K

R ref= 39K

Rref=4 3 K, 47K , 51 K

0.20

0.40

0.60

0.80

Irhv [m A ]

1.00

1.20

Figure 12. FMIN: measurements and calculations

1 00 .0 0

80 .0 0

m eas ura m ents

Fm in= 1/(8 *C f*R ref)

Figure 13. FFEED FORWARD: measurements and

calculations

120000.00

110000.00

100000.00

c a lc u latio ns ( 1/12 1 )*Ir hv /C f

m eas u re m en ts

90000.00

80000.00

70000.00

60000.00

50000.00

40000.00

30000.00

20000.00

10000.00

0.00

0.4 0

0 .6 0

0 .8 0

Irh v [mA]

1 .00

Cf= 8 2pF

Cf= 1 00p F

C f= 12 0 pF

Cf= 1 50p F

1 .2 0

60 .0 0

40 .0 0

20 .0 0

0 .0 0

20 .0 0

C f=82pF

C f=100p F

C f=120pF

C f=15 0pF

30 .0 0

R re f [K o hm ]

4 0 .0 0

50 .0 0

12/15

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