AC-DC flyback power supply

Example of flyback type AC-DC converter circuit

AC-DC flyback power supply

Lineup

MOSFET

Part number

TK18A50D

TK12P50W

Package

TO-220SIS

DPAK

VDSS [V]

500

500

ID [A]

18

11.5

PD [W]

50

100

Ciss (Typ.) [pF]

2600

890

RDS(ON) (Max) [Ω]

0.27

0.34

Polarity

N-ch

N-ch

SiC Schottky barrier diode

Part number

TRS12A65F

TRS24N65FB

TRS2E65H *

TRS12E65H *

TRS4V65H *

TRS12V65H *

Package

TO-220F-2L

TO-247 (Center tap)

TO-220-2L

DFN8x8

VRRM [V]

650

650

650

650

650

650

IF(DC) [A]

12

12 / 24 **

2 12 4 12

IFSM [A]

92

92 / 184 **

19 74 28 60

VF (Typ.) [V]

1.45
@IF = 12 A

1.45
@IF = 12 A

1.2
@IF = 2 A
1.2
@IF = 12 A
1.2
@IF = 4 A
1.2
@IF = 12 A

*: New product
**: Per Leg / Both Legs

Bipolar transistor (Gate driver)

Part number

HN4B101J

HN4B102J

Package

SMV

SMV

VCEO [V] @Q1 / Q2 

-30 / 30

-30 / 30

IC [A] @Q1 / Q2

-1.0 / 1.2

-1.8 / 2

hFE (Min / Max)

200 / 500

200 / 500

Polarity

Q1: PNP + Q2: NPN

Q1: PNP + Q2: NPN

IC output photocoupler

Part number

TLP2309

TLP2719(LF4)

Package

5pin SO6

SO6L(LF4)

BVS [Vrms]

3750

5000

NRZ (Typ.) [Mbps]

1

CMH, CML (Min) [kV/μs]

±15

±10

Contacts

Technical inquiry

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Frequently Asked Questions

FAQs
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