TOP232GN View Datasheet(PDF) - Power Integrations, Inc

Part Name

Description

MFG CO.

TOP232GN

Design Flexible, EcoSmart®, Integrated Off-line Switcher

Power Integrations, Inc 

Typical Uses of FREQUENCY (F) Pin

TOP232-234

+

+

DC

Input

Voltage

-

D

CONTROL

C

S

F

Figure 10. Full Frequency Operation (132 kHz).

PI-2505-081199

DC

Input

Voltage

-

D

CONTROL

C

S

F

Figure 11. Half Frequency Operation (66 kHz).

PI-2506-081199

+

QS can be an optocoupler output.

DC

Input

Voltage

D

CONTROL

C

S

F

STANDBY

QS47 kΩ

-

RHF 20 kΩ 1 nF

PI-2507-040401

Figure 12. Half Frequency Standby Mode (For High Standby

Efficiency).

11 B

7/01

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