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Devices for SW Power Supply
Full-bridge Type, Half-bridge Type
[Feature: Full-bridge/Half-bridge Type]
• Pch/Nch drive
• A large current device can drive multi tubes, thus the needed parts count can be reduced.
[Feature: Half-bridge Type (High voltage input)]
• A highly effi ective system can be achived by using a high side driver, whitch can make the inverter cicuit to be operated at a PFC
voltage level.
MOSFET should be Nch type and withstand a high voltage.
Separately-excitation
Full-Bridge
P1
P2
N1
N2
Half-Bridge (Nch + Pch)
P1
N1
Half-Bridge
(FSSxxxx(single))
P1
N1
Half-Bridge (High +B Voltage)
V IN (High)
V IN (Low)
P1
N1
Set Size
Package
Polarity
Type No.
[inch]
Nch
2SK3815 (60V/55mΩ)
Pch
2SJ659 (60V/133mΩ)
SMP
at least 32
Nch
2SK3819 (100V/130mΩ)
Pch
2SJ664 (100V/136mΩ)
Nch
2SJ3702 (60V/55mΩ)
Pch
2SJ650 (60V/135mΩ)
Nch
2SK3706 (100V/130mΩ)
TO-220ML
Pch
2SJ655 (100V/136mΩ)
at least 32
TO-220FI
Nch
2SK2161 (200V/350mΩ)
Pch
2SJ405 (200V/500mΩ)
Nch
2SK4096 (500V/710mΩ)
Nch
2SK4084 (500V/400mΩ)
Nch + Pch
VEC2602 (30V/99•168mΩ)
Nch + Pch
ECH8609 (30V/75•120mΩ)
VEC8
Nch
ECH8402 (30V/32mΩ)
(VECxxxx)
2.5 to 8
ECH8
Pch
ECH8302 (30V/48mΩ)
(ECH8xxx)
Nch + Nch
ECH8616 (60V/133mΩ)
Pch + Pch
ECH8615 (60V/295mΩ)
Nch + Pch
FW344 (30V/150•147mΩ)
Nch + Pch
FW340 (30V/83•98mΩ)
Nch + Pch
FW342 (30V/52•98mΩ)
Nch
FSS802 (30V/26mΩ)
Pch
FSS163 (30V/31mΩ)
SOP8
Nch + Pch
FW349 (30V/84•106mΩ)
15 to 19
(FWxxxx(Dual))
Nch + Pch
FW359 (30V/215•205mΩ)
Nch
FSS273 (45V/34mΩ)
Pch
FSS145 (45V/40mΩ)
Nch
2SK3351 (30V/21mΩ)
Pch
2SJ646 (30V/154mΩ)
Nch
2SK3285 (30V/34mΩ)
Nch
2SK3352 (30V/21mΩ)
Nch
SFT1402 (35V/69mΩ)
Pch
SFT1302 (35V/111mΩ)
Nch
SFT1405 (45V/74mΩ)
Pch
SFT1305 (45V/147mΩ)
TP
at least 32
SMP
Nch
2SK3615 (60V/85mΩ)
Pch
2SJ635 (60V/92mΩ)
Nch
2SK3818 (60V/18mΩ)
Pch
2SJ662 (60V/38mΩ)
Nch
2SK3979 (200V/450mΩ)
Pch
2SJ679 (200V/980mΩ)
Nch
2SK1920 (250V/700mΩ)
Pch
2SJ281 (250V/2Ω)
20
Self-excitation Type (collector resonance)
[Feature]
• Multi tubes can be driven by using a power device with large current capacity.
→ also, the number of inverter circuits and used parts can be reduced.
• 4 to 8 tubes can be driven by circuit.
• Best choice for low-cost sets.
Self-excitation
V IN
V IN
[V]
12 to 24
at least 60
2) Recommended Power MOSFETs & Bipolar Transistors by Monitor Size
[Power MOSFET Lineup by Input Voltage and Monitor Size]
12 to 24
PCP Package
V DSS
Type No.
at least 60
[V]
2SK3614
60
2SK3944
60
2SJ632
60
2SK3489
30
5 to 12
2SK3490
30
2SJ616
30
15 to 24
5 to 12
[Bipolar Transistor Lineup by Input Voltage and Monitor Size]
15 to 24
VEC8 Package
V CES
Type No.
[V]
VEC2202
120
VEC2201
100
5 to 12
CPH3 Package
V CES
Type No.
[V]
CPH3252
180
15 to 24
CPH3251
150
CPH3247
120
CPH3239
100
CPH3236
100
CPH3223
100
at least 120
8
Package
Type No.
2SC5915 (120V/10A)
SMP
2SC5999 (120V/25A)
Q1
2SC5888 (80V/10A)
Q2
TO-220ML
TO-220FI
2SC6080 (80V/13A)
2SC5264 (800V/5A)
SOP8 Package
I D
V DSS
I D
Type No.
[A]
[V]
[A]
4
FW250
60
3
2
FW359
60
3
2
FW248
45
6
8
FW349
45
4
8
6
Monitor Size [inch] (Standard)
20
PCP Package
TP Package
I C
V CES
V CES
I C
[A]
Type No.
* V CBO
Type No.
* V CBO
[A]
[V]
[V]
2.5
3
PCP1201
150
2.5
2SC6071
120
PCP1202
180
2
2SD1816
120*
2SC6095
120
2.5
2SD1815
120*
2SC6096
120
2
2SC6098
120
I C
2SC3647
120*
2
2SC6099
120
[A]
2SC5991
100
7
2SC5980
100
2
2SC5990
100
4
2SC5979
100
2
2SC5964
100
3
2SC5707
80
2.5
2SC5994
100
2
2SC5706
80
5
2SC6022
40*
3
2SC6020
40*
3
Monitor Size [inch] (Standard)
20
21
Set Size
V IN
[inch]
[V]
at least 32
15 to 24V
up to 15V
at least 32
up to 15V
at least 100V
TP Package
V DSS
I D
Type No.
[V]
[A]
2SK3978
200
4
2SK3977
100
4
SFT1202
180
2
SFT1201
150
2.5
SFT1305
45
10
SFT1307
45
14
SFT1405
45
10
SFT1407
45
14
SFT1403
35
11
SFT1402
35
14
32
SMP Package
V CES
I C
I C
Type No.
[V]
[A]
[A]
2SC5974
700
7
10
2SC5999
120
25
4
2SC5915
120
10
3
2.5
2
8
5
8
5
9
6
32
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