TOP243 View Datasheet(PDF) - Power Integrations, Inc

Part Name

Description

Manufacturer

TOP243

Extended power, design elexible, integrated off-line switcher

Power Integrations, Inc 

TOP242-250

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

+

+

QR can be an optocoupler

output or can be replaced

by a manual switch.

QR can be an optocoupler

output or can be replaced

by a manual switch.

DC

Input

Voltage

ON/OFF

QR

4-7 kΩ

D

M

CONTROL

C

S

Figure 36. Active-on (Fail Safe) Remote ON/OFF.

DC ON/OFF

Input

Voltage

QR

47 kΩ

D

RMC

M 45 kΩ

CONTROL

C

-

S

General PI-2519-040501 Information & Table of Contents PI-2522-040501

Figure 37. Active-off Remote ON/OFF. Maximum Duty Cycle will

be Reduced.

Product Selector Guide 1

+

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.

+

Data Sheets 2 QR can be an optocoupler

output or can be replaced

by a manual switch.

AQRpplication Notes 3

DC

ON/OFF

47 kΩ

Input

Voltage

Design Ideas 4 RMC 24 kΩ RMC = 2RIL

D

M

CONTROL

RIL 12 kΩ

DC esign Tools 5

-

S

Quality and Reliability PI-2521-040501 6

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

Current Limit.

Package Information 7

20 H

9/02

DPA-Switch DC-DC Seminar 8

+

QR can be an optocoupler

output or can be replaced

LinkSwitcRhLS

TinySwitch-II &2 MΩ

by a manual switch.

AC-DC

Seminar

9

QR

DC ON/OFF

Input

47 kΩ

TOPSwitch-GX AC-DC Seminar 10

Voltage

For RLS = 2 MΩ

D

M

Sales

Representatives CONTROL

C

VUV = 100 VDC

VOV = 450 VDC

and

Distributors

11

-

S

PI-2523-040501

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

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