Q67100-H6278 datasheet(3/20 Pages) SIEMENS

Part #	Q67100-H6278

Description	ISDN Remote Power Controller

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

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Semiconductor Group

3

PSB 2120

Pin Definitions and Functions

No.

P-DSO

No.

P-DIP

Symbol

Input (I)

Output (O)

Definition

Function

1

SYNC

I/O

Synchronization

Input for synchronization of the

oscillator to an external frequency,

or output to synchronize multiple

devices.

2

RC

I

RC-Oscillator

The external timing components of

the ramp generator are attached to

this pin.

3

COMP

O

Compensation

Error amplifier output and Pulse

Width Modulator (PWM) input for

loop stabilization network.

44

V

P

I

Positive Voltage

Sense

Non-inverting input of the error

amplifier.

55

V

N

I

Negative Voltage

Sense

Inverting input of the error amplifier.

66

C

SS

I

Soft Start

Capacitor

The capacitor at this pin determines

the soft-start characteristic.

77

EME

O

Emergency

A low input voltage at POL will

activate the output EME.

8

POL

I

Polarity

Detection

POL is the input to a non inverting

Schmitt-trigger.

11

9

GA

O

Gate

Output of the FET-driver.

N.C.

10

DR

O

Drain

Drain connection of the power FET.

N.C.

11

SO

O

Source

Source connection of the power

FET.

14

12

C

IN

I

Input Capacitor

C

IN has to be connected to the input

buffer-capacitor and a current

limiting charging-resistor.

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Q67100-H6278 Datasheet(PDF) 3 Page - Siemens Semiconductor Group

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