Power supply circuit

Example of flyback type AC-DC converter circuit

Power supply circuit

Lineup

π-MOS Series MOSFET

Part number TK2K2A60F
Package TO-220SIS

VDSS [V]

600
ID [A] 3.5
Ciss (Typ.) [pF] 450
RDS(ON) [Ω] Typ. 1.82
Max 2.2
Polarity N-ch

Transistor output photocoupler

Part number TLP383 TLP385 TLP387 TLP388
Package 4pin SO6L

VCEO [V]

80 80 300 350
BVS [Vrms] 5000 5000 5000 5000
Topr [°C] -55 to 125 -55 to 110 -55 to 110 -55 to 125

Bipolar transistor

Part number TMBT3904
Package SOT23

VCEO [V]

50
IC [mA] 200
VCE(sat) (Max) [V] 0.3 @IC = 50 mA, IB = 5 mA
hFE 100 to 300 @VCE =1 V, IC = 10 mA
Polarity NPN

Schottky barrier diode

Part number CMS15 CUHS20F60
Package M-FLAT™ US2H
VRRM / VR [V] 60 60

IF(AV) / IO [A]

3.0 2.0
VFM / VF (Max) [V] 0.58 @IFM = 3.0 A 0.59 @IF = 2.0 A
Cj (Typ.) [pF] 102 300

Fast recovery diode

Part number CRF03A
Package S-FLAT™

VRRM [V]

600
IF(AV) [A] 0.7
VFM (Max) [V] 2.0 @IFM = 0.7 A
IRRM (Max) [μA] 50

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* M-FLAT™ and S-FLAT™ are trademarks of Toshiba Electronic Devices & Storage Corporation.
* Other company names, product names, and service names may be trademarks of their respective companies.

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