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LT3590ESC8#PBF

Description
LED Driver 10 Segment 700uA Supply Current 8-Pin SC-70 T/R
File Size216KB,16 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric Compare View All

LT3590ESC8#PBF Overview

LED Driver 10 Segment 700uA Supply Current 8-Pin SC-70 T/R

LT3590ESC8#PBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)0
Part StatusUnconfirmed
HTS8542.39.00.01
Number of Segments10
Minimum Operating Supply Voltage (V)4.5
Maximum Operating Supply Voltage (V)55
Typical Operating Supply Voltage (V)9|12|15|18|24|5
Maximum Supply Current (uA)700
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Supplier Temperature GradeExtended
PackagingTape and Reel
Standard Package NameSOT-323
Pin Count8
Supplier PackageSC-70
MountingSurface Mount
Package Height1(Max)
Package Length2.2(Max)
Package Width1.35(Max)
PCB changed8
Lead ShapeGull-wing
FEATURES
LT3590
48V Buck Mode
LED Driver in SC70
and 2mm x 2mm DFN
DESCRIPTION
The LT
®
3590 is a fixed frequency buck mode converter
specifically designed to drive up to 10 LEDs in series from
a 48V DC source. Series connection of the LEDs provides
identical LED currents of up to 50mA, resulting in uniform
brightness and eliminating the need for ballast resistors.
A fixed frequency, current mode architecture results in
stable operation over a wide range of input voltage and
output voltage.
The high switching frequency of 850kHz permits the use
of tiny, low profile inductors and capacitors. A single pin
performs both shutdown and accurate LED dimming
control. The power switch, Schottky diode and control
circuitry are all contained inside a space saving SC70
package or 2mm × 2mm DFN package to allow a small
converter footprint and lower parts cost.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
4.5V to 55V Input Voltage Range
Up to 50mA LED Current
80mA, 55V Switch
Internal Schottky Diode
15μA Supply Current in Shutdown
500μA Supply Current Operating, Not Switching
Switching Frequency: 850kHz
200mV Feedback Voltage with ±5% Accuracy
CTRL Input Performs Dimming and Shutdown
91% Efficiency (10 LEDs, 50mA)
Requires Only 1μF Output Capacitor
8-Lead SC70 Package
6-Lead 2mm × 2mm DFN Package
APPLICATIONS
LED Fixed Signage
Traffic Signs
Neon Sign Replacement
TYPICAL APPLICATION
Buck Mode Driver for Ten White LEDs
1μF
50mA
V
IN
48V
1μF
CONTROL
V
IN
CTRL
LT3590
VREG
0.1μF
GND
SW
50
3590 TA01a
Conversion Efficiency
100
90
EFFICIENCY (%)
80
70
60
LED
470μH
40
0
10
20
30
LED CURRENT (mA)
40
50
3590 TA01b
3590f
1

LT3590ESC8#PBF Related Products

LT3590ESC8#PBF LT3590EDC#PBF LT3590EDC#TRMPBF LT3590EDC#TRPBF LT3590ESC8#TRMPBF LT3590ESC8#TRPBF
Description LED Driver 10 Segment 700uA Supply Current 8-Pin SC-70 T/R LED Driver 10 Segment 700uA Supply Current 6-Pin DFN EP T/R LED Driver 10 Segment 700uA Supply Current 6-Pin DFN EP T/R LED Driver 10 Segment 700uA Supply Current 6-Pin DFN EP T/R LED Driver 10 Segment 700uA Supply Current 8-Pin SC-70 T/R LED Driver 10 Segment 700uA Supply Current 8-Pin SC-70 T/R
EU restricts the use of certain hazardous substances Compliant Compliant Compliant Compliant Compliant Compliant
ECCN (US) - - EAR99 EAR99 EAR99 EAR99
Part Status Unconfirmed Unconfirmed Active Active Active Active
Number of Segments 10 10 10 10 10 10
Minimum Operating Supply Voltage (V) 4.5 4.5 4.5 4.5 4.5 4.5
Maximum Operating Supply Voltage (V) 55 55 55 55 55 55
Typical Operating Supply Voltage (V) 9|12|15|18|24|5 5|9|12|15|18|24 5|9|12|15|18|24 5|9|12|15|18|24 5|9|12|15|18|24 5|9|12|15|18|24
Maximum Supply Current (uA) 700 700 700 700 700 700
Minimum Operating Temperature (°C) -40 -40 -40 -40 -40 -40
Maximum Operating Temperature (°C) 85 85 85 85 85 85
Supplier Temperature Grade Extended Extended Extended Extended Extended Extended
Packaging Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel
Standard Package Name SOT-323 DFN DFN DFN SOT-323 SOT-323
Pin Count 8 6 6 6 8 8
Supplier Package SC-70 DFN EP DFN EP DFN EP SC-70 SC-70
Mounting Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 1(Max) 0.75(Max) 0.75(Max) 0.75(Max) 1(Max) 1(Max)
Package Length 2.2(Max) 2 2 2 2.2(Max) 2.2(Max)
Package Width 1.35(Max) 2 2 2 1.35(Max) 1.35(Max)
PCB changed 8 6 6 6 8 8
Lead Shape Gull-wing No Lead No Lead No Lead Gull-wing Gull-wing
HTS 8542.39.00.01 8542.39.00.01 8542.39.00.01 - 8542.39.00.01 8542.39.00.01
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