ICE2A180Z datasheet(8/35 Pages) INFINEON

Part #	ICE2A180Z

Description	Off-Line SMPS Current Mode Controller with integrated 650V/ 800V CoolMOS

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Manufacturer	INFINEON [Infineon Technologies AG]

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8 / 35 page

Version 2.6

8

25 Dec 2006

CoolSET™-F2

Pin Configuration and Functionality

1.5

Pin Functionality

SoftS (Soft Start & Auto Restart Control)

This pin combines the function of Soft Start in case of

Start Up and Auto Restart Mode and the controlling of

the Auto Restart Mode in case of an error detection.

FB (Feedback)

The information about the regulation is provided by the

FB Pin to the internal Protection Unit and to the internal

PWM-Comparator to control the duty cycle.

Isense (Current Sense)

The Current Sense pin senses the voltage developed

on the series resistor inserted in the source of the

integrated CoolMOS™. When Isense reaches the

internal threshold of the Current Limit Comparator, the

Driver output is disabled. By this means the Over

Current Detection is realized.

Furthermore the current information is provided for the

PWM-Comparator to realize the Current Mode.

Drain (Drain of integrated CoolMOS™)

Pin Drain is the connection to the Drain of the internal

CoolMOSTM.

VCC (Power supply)

This pin is the positive supply of the IC. The operating

range is between 8.5V and 21V.

To provide overvoltage protection the driver gets

disabled when the voltage becomes higher than 16.5V

during Start Up Phase.

GND (Ground)

This pin is the ground of the primary side of the SMPS.

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