TOP257MN View Datasheet(PDF) - Power Integrations, Inc

Part Name

Description

Manufacturer

TOP257MN

AC/DC Converters Off-Line Switcher IC 26W/64W PK

Power Integrations, Inc 

TOP252-262

Input Filter

Capacitor

J1

+

HV

-

JP1

HS1

C1

R1

R3

C2

R3

Isolation Barrier

R4

T1

Y1-

Capacitor

C6

D1

U1

D

SF

C

X

V

Transformer

R12

C10

Output

Rectifier

Output Filter

D3

Capacitor

C7

L1

C4

R7

R10

R2

C5

D2

C9

U3

R4

JP2

U2

R15

R17

VR2

R12

R13

C8

J2

Figure 48. Layout Considerations for TOPSwitch-HX Using TOP254-258 Y Package.

- ODuCt+

PI-4751-070307

Input Filter

Capacitor

C6

VR1 R6

Isolation Barrier

R7

T1

D5

Y1-

Capacitor

C7

C16 R12

Output Filter

Capacitor

J1

C4

+

HV

-

JP1

HS1

R3

R11

D

S G U5

C

X

V

C8

R4

C9

R22

R14

R8

R9

R5

VR2

D8

Transformer

D6 C10

JP2

U2

C17

L3

U4 C21

R21

R20

C18

R17

R13

J2

Figure 49. Layout Considerations for TOPSwitch-HX Using TOP259-261 Y Package.

- ODuCt+

PI-4977-021408

www.powerint.com

29

Rev. H 06/13

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