ICE3A1065 datasheet(9/32 Pages) INFINEON

Part #	ICE3A1065

Description	Off-Line SMPS Cur rent Mode Controller with integrated 650V Startup Cell /Depletion CoolMOS?

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Manufacturer	INFINEON [Infineon Technologies AG]

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9 / 32 page

Version 2.3

9

02 Apr 2013

CoolSET™-F3

Pin Configuration and Functionality

1.5

Pin Functionality

SoftS (Soft Start & Auto Restart Control)

The SoftS pin combines the functions of Soft Start

during Start Up and error detection for Auto Restart

Mode. These functions are implemented and can be

adjusted by means of an external capacitor at SoftS to

ground. This capacitor also provides an adjustable

blanking window for high load jumps, before the IC

enters into Auto Restart Mode.

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. The FB-

Signal controls in case of light load the Active Burst

Mode of the controller.

CS (Current Sense)

The Current Sense pin senses the voltage developed

on the series resistor inserted in the source of the

integrated Depl. CoolMOS™. If CS reaches the internal

threshold of the Current Limit Comparator, the Driver

output is immediately switched off. Furthermore the

current information is provided for the PWM-

Comparator to realize the Current Mode.

Drain (Drain of integrated Depl. CoolMOS™)

Pin Drain is the connection to the Drain of the internal

Depl. CoolMOSTM.

VCC (Power supply)

The VCC pin is the positive supply of the IC. The

operating range is between 8.5V and 21V.

GND (Ground)

The GND pin is the ground of the controller.

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ICE3A1065 Datasheet(PDF) 9 Page - Infineon Technologies AG

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