LX1990ILM MICROSEMI, LX1990ILM Datasheet
LX1990ILM
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LX1990ILM Summary of contents
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... IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com 5V - Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX1990ILM-TR) Copyright © 2001 Rev. 1.0d, 2005-03-14 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Dual Programmable LED Current Sink ® ...
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... SET Copyright © 2001 Rev. 1.0d, 2005-03-14 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Dual Programmable LED Current Sink ® θ A 41°C/W MBIENT JA x θ ESCRIPTION Microsemi Integrated Products LX1990 ISET OUTA VDD 2 GND ENA ACKAGE (Top View) ...
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... I = 0µA OUT_ZERO OUT LOAD SET 20mA DROPOUT OUT 30mA DROPOUT OUT Zero Volts; VDD=5V SC ISET ≤ I ENA 0.4V OUTOFF Microsemi Integrated Products LX1990 LX1990 Units Min Typ Max 2.7 5 1.25 0 300 0.1 10 0.1 30 ≤ ≤ T 85°C and the A ≤ ...
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... Copyright © 2001 Rev. 1.0d, 2005-03-14 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Dual Programmable LED Current Sink ® 1:1 Current Mirror 1.25V REF - ISET Figure 1 – Simplified Block Diagram Microsemi Integrated Products LX1990 I I OUTA OUTB 100X 100X GND Page 4 ...
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... ENA signal has very fast rise times. This is not harmful to the LED, but will cause dimming linearity errors when operating at very low ) duty cycles. − Microsemi Integrated Products LX1990 = Number of outputs used = Current from each output = Output Supply Voltage ...
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... IOUTB @ 0.1 250 300 350 400 ENA 2V / AOUT DIV BOUT IOUT 10mA / DIV 4.7 5.7 Microsemi Integrated Products LX1990 ENA=0.4V OUT 5. (V) OUT V vs. Current DROPOUT 30mA 25mA 20mA 15mA 10mA 5mA 0.2 0.3 0.4 0.5 0.6 0.7 0.8 ...
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... Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Dual Programmable LED Current Sink ® 3.3V ON/OFF 4K O pen Collector or Open Drain Drive .1µF GRN UTB GRN I O UTA ON/OFF Microsemi Integrated Products LX1990 VDD I O UTB I ENA O UTA ISET GND .1µF + Volts LOAD I VDD ...
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... OUTA ISET GND 8.2nF 1K C SLOPE 5K PWM 2N2222A 10K 100K 1V / DIV 10µA / DIV 20µs / DIV Figure 9 – PWM – Low EMI Wide Range Microsemi Integrated Products LX1990 3V VDD I OUTB ENA I OUTA ISET GND R MIN R MAX Figure 7 – Manual Control ON / OFF I VDD ...
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... Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Dual Programmable LED Current Sink ® Optional circuit for 10 W hite higher efficiency LEDs each output LX432SC 2.2K VDD I OUTB 20K ENA I OUTA ISET GND R SET Microsemi Integrated Products LX1990 48V .47µF BC846B x2 20K Page 9 ...
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... Rev. 1.0d, 2005-03-14 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Dual Programmable LED Current Sink ® Internally Connected Note: together, but isolated from all other terminals Microsemi Integrated Products LX1990 M I ILLIMETERS NCHES Dim MIN MAX MIN A 2.90 3.10 0.114 B 2.90 3 ...
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... This document may not be modified in any way without the express written consent of Microsemi. Product processing does not necessarily include testing of all parameters. Microsemi reserves the right to change the configuration and performance of the product and to discontinue product at any time. ...