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

TRS4A65F

TRS4E65F

Package

TO-220F-2L

TO-220-2L

VRRM [V]

650

650

IF(DC) [A]

4

4

IFSM [A]

37

39

IR (Typ. / Max) [μA]

0.2 / 20

0.2 / 20

VF (Typ.) [V] @IF = 4 A

1.45

1.45

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

Contact us

Contact us

Frequently Asked Questions

FAQs
A new window will open