LX1688IPW Microsemi Analog Mixed Signal Group, LX1688IPW Datasheet
LX1688IPW
Specifications of LX1688IPW
Related parts for LX1688IPW
LX1688IPW Summary of contents
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... RoHS compliant / Pb-free Transition DC: 0442 3.0V 5.5V LX1688CPW 3.0V 5.5V LX1688IPW Microsemi Integrated Products Division LX1688 D S ATA HEET Provision to Synchronize Lamp Current & Frequency With Other Controllers Dimming With Analog or Digital (PWM) Methods (>20:1) Programmable Fixed Frequency Adjustable Power-up Reset ...
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Supply Voltage (VDD_P, VDD)................................................................................ 6.5V Digital Inputs ................................................................................... -0.3V to VDD +0.5V Analog Inputs.................................................................................. –0.1V to VDD ...
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Supply Voltage ( DDP BRITE Linear ...
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Parameter STRIKE AND ...
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Typical Operating Current (VDD) 6 5.5 VDD=5.5V 5 4.5 VDD=3V 4 3.5 3 -40 -15 10 Temperature (°C) Output ...
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TM Pin BEPOL V DD FLOAT Conventional polarity means that the lamp brightness increases with increasing voltage on the BRITE pin. Reverse polarity means that brightness decreases with increasing voltage Controller Controller Input Pin: Mode Operation OLSNS ...
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TM The LX1688 is a backlight controller specifically designed with a special feature set needed in multiple lamp desktop monitors, and other multiple lamp displays. While utilizing the same architecture as Microsemi’s LX1686 controller it eliminates the synchronized digital dimming ...
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TM and may or may not be externally synchronized to the LCD video frame rate. It will directly gate the signal BRT. CPWM should not be used in this case AULT IN The fault pin is a digital ...
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TM CN1 VIN 1 C1 VIN 2 GND 3 GND 4 5 VBRITE 6 RMP_RST 7 RMP_RST PHA_SYNC PHA_SYNC 8 ENABLE 9 VDDSW AOUT 16V 10% 470nF 2 VSS_P Analog Ground must 3 VSS connect to power ...
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TM A LX1688 PPLICATION EXAMPLE WITH This section will highlight the features of LX1688 controller by showing a practical example. Three identical inverter modules are connected to each other and each module drives a single lamp. One module configured as ...
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470nF 16V 1 10% VIN 1 VIN 2 GND 3 GND 4 5 VBRITE 6 RMP_RST 7 PHA_SYNC 8 ENABLE 9 1 VDDSW 0 VBRITE C5 : 220nF 16V 10 82nF 16V 10 ...
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TM Multiple Lamp Sync The figure 3 shows the sync signals (PHA_SYNC and RMP_RST) timing relationship to Gate signal AOUT, for the master module. AOUT and PHA_SYNC running at the same frequency and RMP_RST signal has the twice frequency. Figure ...
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TM Digital Dimming The following oscilloscope waveforms are showing gate signals of Master and slaves during digital dimming at 50% and 5% duty cycle. Figure 6- Gate signals during digital dimming with 50% duty cycle CH2= A CH3=A (Slave1), CH4=A ...
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Reference Part Description Designator Backlight Controller U1 Dual ...
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TM PW 24-Pin Thin Small Shrink Outline (TSSOP) Package E F SEATING PLANE * Lead Coplanarity Note: 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. ...
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TM PRODUCTION DATA – Information contained in this document is proprietary to Microsemi and is current as of publication date. This document may not be modified in any way without the express written consent of Microsemi. Product processing does not ...