ICE3B0365J_13 datasheet(5/28 Pages) INFINEON

5 / 28 page

Version 2.9

25 Mar 2013

CoolSET®-F3

ICE3Bxx65J

Pin Configuration and Functionality

1.1

Pin Configuration with PG-DIP-8

Figure 1

Pin Configuration PG-DIP-8(top view)

Note:

Pin 4 and 5 are shorted within the DIP

package.

1.2

Pin Functionality

SoftS (Soft Start, Auto Restart & Frequency

Jittering Control)

The SoftS pin combines the function 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. Furthermore this pin is

also used to control the period of frequency jittering

during normal load.

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 CoolMOS

®. If CS reaches the internal

threshold of the Current Limit Comparator, the Driver

output is immediately switched off. Furthermore the

current

information

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

CoolMOS

TM.

VCC (Power supply)

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

operating range is between 10.3V and 26V.

GND (Ground)

The GND pin is the ground of the controller.

Symbol

Function

SoftS

Soft-Start

Feedback

Current Sense/

650V

1) CoolMOS® Source

Drain

650V

1) CoolMOS® Drain

at Tj = 110°C

Drain

650V

1) CoolMOS® Drain

N.C.

Not Connected

VCC

Controller Supply Voltage

GND

Controller Ground

Package PG-DIP-8

GND

SoftS

VCC

N.C

Drain

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