lx1695 Microsemi Corporation, lx1695 Datasheet
lx1695
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lx1695 Summary of contents
Page 1
... The LX1695 is a general purpose DC to PWM generator with supervisory functions for switched Royer CCFL inverter modules used in single or multiple lamp desktop monitors and LCD TV sets. integrates a PWM that generates digital (burst mode) dimming from a ...
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... MBIENT JA , θ A 163°C/W MBIENT JA x θ Description Microsemi Integrated Products Division LX1695 RODUCTION ATA HEET DIM_FREQ 8 DD ENABLE ...
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... OLSNS Note 1 DY FLT_DLY TH Microsemi Integrated Products Division LX1695 RODUCTION ATA HEET LX1695 Units Min Typ Max 4.5 5 250 600 =25.2K ohms, Royer = 1000pF DIM_FREQ LX1695 Min Typ Max 4.0 3.5 2 0 -0.01 1 3.7 4 4.3 350 40 75 100 20 100 20 100 1 -600 237 ...
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... Ignore fault Logic 2V 0V 3.125% Min Duty Cycle PwrBad NoFault Ignore_OLSNS Enable PwrBad Enable Internal Clock Generator External Detector Figure 1 – Simplified Block Diagram Microsemi Integrated Products Division LX1695 RODUCTION ATA HEET 3V Bias 1V Generator 2.1V Fault Latch R NoFault Q S Clock PwrBad ...
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... Integrated Products Division LX1695 RODUCTION ATA HEET T1 ROYER VIN 470 Royer Input Voltage (Buck Output) +5V 5VDC for LX1695 5V ±5% 100mA ENABLE CIRCUIT On / Off Signal 5V Logic Level > 2. <0.8V : Off BRITE_IN Burst Duty Control Voltage 3.125% ~ 100% CN2 Page 5 ...
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... PCB, and low leakage ceramic capacitors are recommended. Typically this time-out is in the one to two second range, but can be as long as 5 seconds. Microsemi Integrated Products Division LX1695 RODUCTION ATA HEET ...
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... Microsemi Integrated Products Division LX1695 D S RODUCTION ATA HEET BRITE_IN (V) 85°C V dd=4.5V N40°C V dd=5.5V 25° ...
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... Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Switched Royer CCFL Inverter Monitor IC ® P RODUCTION Figure 3 – Timing Diagram Microsemi Integrated Products Division LX1695 D S ATA HEET 0V 5V (100% Duty (75% Duty (37.5% Duty ...
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... Lead Coplanarity M Note: 1. Dimensions do not include mold flash or protrusions; these shall not exceed 0.155mm(.006”) on any side. Lead dimension shall not include solder coverage. Microsemi Integrated Products Division LX1695 RODUCTION ATA HEET M I ILLIMETERS NCHES MIN MAX ...
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... Copyright © 2004 Rev. 1.0a, 2006-01-06 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Switched Royer CCFL Inverter Monitor IC ® P RODUCTION Microsemi Integrated Products Division LX1695 D S ATA HEET Page 10 ...