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18
Devices for SW Power Supply
19
Pulse IN
SBD
SBD
ACIN
PFC
Control
PFC FRD(1)
FRD(2)
FRD(2)
FRD(2)
FRD(2)
Driver
CCFL
CCFL
CCFL
PFC
MOSFET(1)
PFC Circuit
Multi CCFL, Parallel
Flyback Power Supply for AV Processor
PFC Direct input BL Inverter
Main SW
MOSFET(2)
Main Control
DC
Output
Main SW
MOSFET(3)
Main SW
MOSFET(3)
◆
Lineup
Set Spec PFC Direct BL Inverter
SPS for AV Processor
2nd Rectifi er
Panel Size
[inch]
P
OUT
[W]
V
OUT
[V]
FRD(1) MOSFET(1) FRD(2) MOSFET(3) MOSFET(2) SBD
26 to 37 200 12
❈
RD1006LS 2SK4085LS
❈
RD0506LS 2SK4086LS×2 2SK4098LS SBT100-16JS
37 to 42 250 12 to 18
❈
RD1006LS 2SK4124×2
❈
RD0506LS 2SK4086LS×2 2SK4098LS SBT100-16JS×2
at least 42 350 12 to 18
❈
RD1006LS 2SK4124×3
❈
RD1006LS 2SK4085LS×2 2SK4101LS SBT100-16JS×2
(2)
The example when BL inverter adoptes PFC voltage direct input circuit, and AV output adopts fl yback circuit
❈
: Development
1) Recommended Devices for Bridge Circuit
Push-Pull Type
[Feature]
• Compared with half-bridge type, although doubled voltage is needed, meanwhile RDS(on) can be suppressed due to the use of Nch,
so a good symmetry can be achieved.
Because the current capacity is large, multi tubes driving can be made possible, and the needed parts count can be reduced.
Separately-excitation Package Polarity Type No.
Set Size
[inch]
V
IN
[V]
N2
N1
Controller
CCFL
VIN
SMP
Nch 2SK3285 (30V/34m
Ω
)
21 to 32
up to 12
Nch 2Sk3352 (30V/21m
Ω
)
Nch 2SK3816 (60V/41m
Ω
)
15 to 24
Nch 2SK3818 (60V/18m
Ω
)
Nch 2SK2592 (250V/200m
Ω
) at least 60
TO-220ML
TO-220FI
Nch 2SK3703 (60V/28m
Ω
)
at least 32
15 to 24Nch 2SK3704 (60V/15m
Ω
)
Nch 2SK2160 (200V/350m
Ω
)
Nch 2SK2161 (200V/250m
Ω
)
at least 60Nch 2SK4096 (500V/710m
Ω
)
Nch 2SK4084 (500V/400m
Ω
)
N2
N1
Contoller
CCFL
CCFL
VEC8
(VECxxxx)
ECH8
(ECH8xxx)
TSSOP8
(FTSxxxx(single))
(FTDxxxx(Dual))
Nch + Nch VEC2402 (30V/99m
Ω
)
2.5 to 8
5 to 12
Nch + Nch ECH8606 (30V/75m
Ω
)
Nch ECH8402 (30V/32m
Ω
)
Nch + Nch FTD8009 (30V/33m
Ω
)
Nch + Nch ECH8616 (60V/133m
Ω
) 15 to 24
SOP8
(FSSxxxx(single))
(FWxxxx(Dual))
Nch + Nch FW241 (30V/150m
Ω
)
15 to 19
5 to 12
Nch + Nch FW261 (30V/83m
Ω
)
Nch + Nch FW803 (30V/27m
Ω
)
Nch FSS250 (30V/54m
Ω
)
Nch FSS804 (30V/20m
Ω
)
Nch + Nch FW808 (30V/37m
Ω
)
15 to 24
Nch + Nch FW250 (60V/215m
Ω
)
Nch + Nch FW256 (60V/84m
Ω
)
Nch FSS273 (45V/34m
Ω
)
Nch+Nch FW248 (45V/42m
Ω
)
Nch FSS275 (60V/62m
Ω
)
Nch + Nch FW257 (100V/220m
Ω
)
Nch + Nch FW225 (450V/11.2
Ω
) at least 120
TP
SMP
Nch SFT1402 (35V/40m
Ω
)
at least 32
5 to 12
Nch SFT1403 (35V/25m
Ω
)
Nch 2SK3352 (30V/21m
Ω
)
Nch SFT1407 (45V/29m
Ω
)
Nch SFT1405 (45V/74m
Ω
)
15 to 24
Nch 2SK3615 (60V/85m
Ω
)
Nch 2SK3816 (60V/41m
Ω
)
Nch 2SK3818 (60V/18m
Ω
)
Nch 2SK1920 (250V/700m
Ω
)
at least 120Nch 2SK3092 (400V/2.3
Ω
)
Nch 2SK3850 (600V/18.5
Ω
)
(3) Devices for BL Inverter