LX1695 Просмотр технического описания (PDF) - Microsemi Corporation

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LX1695

Switched Royer CCFL Inverter Monitor IC

Microsemi Corporation 

LX1695

TM

®

Switched Royer CCFL Inverter Monitor IC

PRODUCTION DATA SHEET

SIMPLIFIED BLOCK DIAGRAM

ENABLE

Enable

Enable

I gnore_O LS NS

UVLO

P wrB ad

PWM

P wrB ad

Bias

Generator

3V

1V

2.1V

Fault

Latch

R

Q

S

NoFault

OLSNS

3V

2V

Clock

9 Bit Dual Ramp

DAC

0V

BRITE_IN

48 Count

Ignore fault

Logic

Clock

P wrB ad

PWM

VDD

FAULT_

DLY

DIM_FREQ

3.125% Min

Duty Cycle

2.1V

1V

I gnore_O LS NS

P wrB ad

NoFault

P wrB ad

Enable

Enable

Internal

Clock

Generator

External

Clock

Detector

Figure 1 – Simplified Block Diagram

Power

Buffer

ROYER

MUX

A

OUT

B SEL

Clock

Copyright © 2004

Rev. 1.0a, 2006-01-06

Microsemi

Integrated Products Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 4

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