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LT3596IUHG#PBF

Description
LED Driver 30 Segment 5000uA Supply Current Automotive 39-Pin QFN EP Tube
File Size2MB,22 Pages
ManufacturerADI
Websitehttps://www.analog.com
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LT3596IUHG#PBF Overview

LED Driver 30 Segment 5000uA Supply Current Automotive 39-Pin QFN EP Tube

LT3596IUHG#PBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
Number of Segments30
Minimum Operating Supply Voltage (V)6
Maximum Operating Supply Voltage (V)55
Typical Operating Supply Voltage (V)24|18|15|12|9
Maximum Supply Current (uA)5000
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)125
PackagingTube
Standard Package NameQFN
Pin Count39
Supplier PackageQFN EP
MountingSurface Mount
Package Height0.75(Max)
Package Length8
Package Width5
PCB changed39
Lead ShapeNo Lead
LT3596
60V Step-Down LED Driver
FeaTures
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DescripTion
The LT
®
3596 is a 60V step-down LED Driver. It achieves
10,000:1 digital PWM dimming at 100Hz with fast NPN
current sources driving up to 10 LEDs in each channel.
100:1 LED dimming can also be done with analog control
of the CTRL1-3 pin.
The step-down switching frequency is programmable
between 200kHz and 1MHz and is synchronizable to an
external clock. The LT3596 also provides maximum LED
brightness while adhering to manufacturers’ specifica-
tions for thermal derating. The derate temperature is
programmed by placing a negative temperature coefficient
(NTC) resistor on the master control pin.
The LT3596 adaptively controls V
OUT
in order to achieve
optimal efficiency. Other features include: 1.5% LED current
matching between channels, open LED reporting, shorted
LED pin protection and reporting, programmable LED cur-
rent and programmable temperature protection.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation and True Color PWM is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
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300mA Buck Regulator, Drives Up to 10 LEDs per
Channel with Fast NPN Current Sources
Fast Current Sources for <1µs Pulse Widths
(10,000:1 True Color PWM™ Dimming at 100Hz)
LEDs Disconnected in Shutdown
Adaptive V
OUT
for Increased Efficiency
6V to 60V Input Voltage Range
±1.5% Accurate LED Current Matching
External Resistors Set LED Current for Each Channel
Requires No External Compensation
Programmable Switching Frequency (200kHz to 1MHz)
Synchronizable to External Clock
Open, Short LED Detection and Reporting
Programmable LED Thermal Derating and Reporting
Programmable Temperature Protection
5mm
×
8mm Thermally Enhanced QFN Package with
0.6mm High Voltage Pin Spacing
applicaTions
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LED Billboards and Signboards
Mono, Multi, Full Color LED Displays
Large Screen Display LED Backlighting
Automotive, Industrial and Medical Displays
Typical applicaTion
48V 1MHz Step-Down 8W, 100mA LED Driver (Eight White LEDs per Channel)
V
IN
48V
10µF
V
IN
270k
EN/UVLO BOOST
91k
SYNC
33.2k
PWM1
PWM2
PWM3
CTRL1
CTRL2
CTRL3
PWM1
PWM2
PWM3
CTRL1
CTRL2
CTRL3
LED1
LED2
LED3
3696 TA01a
BIAS
4.7µF
100nF 100µH
5V
BIAS
SW
LT3596
DA
SYNC
RT
GND
FB
V
OUT
100k
3.65k
4.7µF
V
OUT
10,000:1 PWM Dimming at 100Hz
28V
PER LED
STRING
PWM
2V/DIV
I
LED
50mA/DIV
BIAS
100k
FAULT
90.9k
10k
FAULT
V
REF
TSET
CTRLM
200ns/DIV
3596 TA01b
I
SET1
I
SET2
I
SET3
20k
20k
20k
49.9k
100k
3596fa


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LT3596IUHG#PBF LT3596EUHG#PBF LT3596EUHG#TRPBF LT3596IUHG#TRPBF
Description LED Driver 30 Segment 5000uA Supply Current Automotive 39-Pin QFN EP Tube LED Driver 30 Segment 5000uA Supply Current Automotive 39-Pin QFN EP Tube LED Driver 30 Segment 5000uA Supply Current Automotive 39-Pin QFN EP T/R LED Driver 30 Segment 5000uA Supply Current Automotive 39-Pin QFN EP T/R
EU restricts the use of certain hazardous substances Compliant Compliant Compliant Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99
Part Status Active Active Active Active
HTS 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01
Number of Segments 30 30 30 30
Minimum Operating Supply Voltage (V) 6 6 6 6
Maximum Operating Supply Voltage (V) 55 55 55 55
Typical Operating Supply Voltage (V) 24|18|15|12|9 9|12|15|18|24 24|18|9|12|15 9|12|15|18|24
Maximum Supply Current (uA) 5000 5000 5000 5000
Minimum Operating Temperature (°C) -40 -40 -40 -40
Maximum Operating Temperature (°C) 125 125 125 125
Packaging Tube Tube Tape and Reel Tape and Reel
Standard Package Name QFN QFN QFN QFN
Pin Count 39 39 39 39
Supplier Package QFN EP QFN EP QFN EP QFN EP
Mounting Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 0.75(Max) 0.75(Max) 0.75(Max) 0.75(Max)
Package Length 8 8 8 8
Package Width 5 5 5 5
PCB changed 39 39 39 39
Lead Shape No Lead No Lead No Lead No Lead
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