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IK3466

IC for AC/DC Converter with built–in Power DMOS Transistor with Operating Frequency 132 ± 8 kHz

IK Semicon Co., Ltd 

TECHNICAL DATA

IC for AC/DC Converter with built–in Power DMOS

Transistor with Operating Frequency 132 ± 8 kHz

Functional equivalent of TNY266 (Power Integrations)

IK3466

Description

IK3466 is IC for AC/DC converter with build–in power

switch with operating frequency 132 ± 8 kHz realized on the

base of high-voltage BiCDMOS process.

IC performs driving of power built in MOSFET switch,

quantity of energy transferred to load is regulated by means

of MOSFET on-time. So output voltage practically doesn’t

depend from load.

The IC is purposed for adapter battery chargers of the

mobile phones, reserve power supply of PC, TV-sets, AC-

adapters, electrical equipment control units, Integrated

Services Digital Network (ISDN) or Digital Subscriber Line

(DSL) network termination.

ORDERING INFORMATION

Device

IK3466N

IK3466D

IK3466DT

Operating

Temperature Range

ТА = -40… + 125 С

Package

DIP-8

SOP-8

SOP-8

Packing

Tube

Tube

Tape& Reel

ORDERING INFORMATION

IK3466N Plastic

IK3466D SOIC

Features

 Programmable line under-voltage detect circuit

prevents power on/off glitches and minimizes

quantity of external components

 132 kHz operation frequency

 High output voltage stability

 Simple ON/OFF control, no loop compensation

needed

 No load consumption < 50 mW with bias winding

and < 250 mW without bias winding at 265 V (AC)

input

 High input (supply) voltage makes IC ideal for

charger applications

 High bandwidth provides fast turn on with no

overshoot

 Built-in current limit and thermal protection circuits

provide high safety

 Built-in automatic restart circuit provides short circuit

and open loop protection

 Undervoltage detection function

Pin Configuration

2012, April Ver. 00

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