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LM3590MFXNSN/a738avaiSeries White LED Driver


LM3590MFX ,Series White LED DriverPin Description#Pin Name Function1I Programmable LED current Input. The LED current has the followi ..
LM3595LD ,Parallel White-LED DriverApplicationsness control to be disabled.Alternatively, a PWM signal cann Portable devices using whi ..
LM3595LDX ,Parallel White-LED DriverFeatures±n Regulated I with 0.5% matching between constantThe LM3595 is a parallel white-LED driver ..
LM359M ,Dual, High Speed, Programmable, Current Mode (Norton) AmplifiersFeaturesn User programmable gain bandwidth product, slew rate,The LM359 consists of two current dif ..
LM359MX ,Dual, High Speed, Programmable, Current Mode (Norton) AmplifiersElectrical CharacteristicsI =I = 0.5 mA, V = 12V, T = 25˚C unless otherwise notedSET(IN) SET(OUT) s ..
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LMV331ICT ,General purpose low voltage comparatorAbsolute maximum ratingsSymbol Parameter Value Unit(1)V Supply voltage 5.5 VCCV Differential input ..
LMV331IDBVR ,Single General Purpose Low-Voltage ComparatorSample & Support &Product Tools &TechnicalCommunityBuyFolder Documents SoftwareLMV331, LMV393, LMV3 ..
LMV331IDBVRG4 ,Single General Purpose Low-Voltage Comparator 5-SOT-23 -40 to 125Maximum Ratings(1)over operating free-air temperature range (unless otherwise noted)MIN MAX UNIT(2) ..
LMV331IDBVT ,Single General Purpose Low-Voltage ComparatorMaximum Ratings from 5.5 V to V ...... 4I CC+Changes from Revision M (November 2005) to Revision N ..
LMV331IDBVTE4 ,Single General Purpose Low-Voltage Comparator 5-SOT-23 -40 to 125Maximum Ratings.. 411 Layout.... 127.2 ESD Ratings........ 411.1 Layout Guidelines.... 127.3 Recomm ..
LMV331IDBVTG4 ,Single General Purpose Low-Voltage Comparator 5-SOT-23 -40 to 125Sample & Support &Product Tools &TechnicalCommunityBuyFolder Documents SoftwareLMV331, LMV393, LMV3 ..


LM3590MFX
Series White LED Driver
LM3590
Series White LED Driver
General Description

The LM3590isa White LED constant current driver capable supplyingupto3 White LEDs connectedin series with
20mA. This device operates overa wide 6V-12.6V input
voltage range. The output can accomodate LEDs witha
combined forward voltageofupto 11.5V, froma 12V input
supply. The LED drive currentis programmedby usingan
external resistoron the ISET pin.
LED brightness canbe linearly varieduptothe programmed
LED currentby applyinga Pulse Width Modulated (PWM)
signaltotheENpinofthe device. The LED output currentof
the LM3590is tightly controlled over temperature and volt-
age. LED Current matchingis guaranteed dueto the series
configurationof the LEDs. The series topology also simpli-
fies the connection between the White LEDsinthe display
module and the LM3590 since only one connectionisre-
quired.
The LM3590 typically draws only 50µAwhen operatinginthe
no-load condition and draws less than 0.1µA whenthe de-
viceis shut down.
The LM3590is availableina small 5-pin SOT23 package.
Features
Drivesupto3 stacked white LEDs 6.0V-12.6V input voltage range Upto 20mA LED output current Excellent LED current matching guaranteedby series
configuration Single connectiontothe White LEDsinthe display
module Tightly controlled programmable current source Low shutdown current (0.1µA typ.) PWM brightness control Very small solution size SOT23-5 package: 3mmx 3mmx 1.0mm (LxWxH)
Applications
White LED Display Backlights Keypad Backlights General purpose constant current driverfor high
forward-voltage LEDs
Typical Application Circuit

November 2003
LM3590
Series
White
LED
Driver
ic,good price


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