TOP242R- View Datasheet(PDF) - Power Integrations, Inc

Part Name

Description

MFG CO.

TOP242R-

TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher

Power Integrations, Inc 

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Typical Uses of MULTI-FUNCTION (M) Pin (cont.)

TOP242-250

+

DC

Input

Voltage

RIL

ON/OFF

QR

4-7 kΩ

QR can be an optocoupler

output or can be replaced

by a manual switch.

For RIL = 12 kΩ

ILIMIT = 69%

D

M

For RIL = 25 kΩ

ILIMIT = 43%

CONTROL

C

S

PI-2520-040501

Figure 38. Active-on Remote ON/OFF with Externally Set Current

Limit (See M Pin Operation Description).

+

QR can be an optocoupler

output or can be replaced

by a manual switch.

QR

DC

ON/OFF

47 kΩ

Input

Voltage

RMC

D

M

RIL 12 kΩ

CONTROL

C

24 kΩ

RMC = 2RIL

-

S

PI-2521-040501

Figure 39. Active-off Remote ON/OFF with Externally Set Current

Limit (See M Pin Operation Description).

+

QR can be an optocoupler

output or can be replaced

RLS 2 MΩ

by a manual switch.

QR

DC ON/OFF

Input

47 kΩ

Voltage

D

M

CONTROL

C

For RLS = 2 MΩ

VUV = 100 VDC

VOV = 450 VDC

-

S

PI-2523-040501

Figure 40. Active-off Remote ON/OFF with LINE-SENSE.

19 M

12/04

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