LT3596 Buck LED driver IC overview

Description

Manufacturer
 
Category
Sub-Category

LT3596 is a non-sync DC/DC Buck LED driver IC from . Maximum input voltage is 55.0 V and it drives an output current of up to 0.30 A. Assuming a typical 3.5V LED forward voltage LT3596 can drive up to 10 LED in series.

The LED Buck driver IC features adjustable 1000 kHz switching frequency, a feedback voltage of 1.21 V and requires a typical inductor size of 100.0 uH. This combination results in a peak efficiency of ~80 %. LT3596 comes in 1 package option(s) - QFN-52 .

Parameter and feature overview

ParameterValueReplacement
Search Filter
Nr. of Channel 3
V-IN min. 6.0 V
V-IN max. 55.0 V
Nr.of LEDs max. 10
I-OUT? 0.30 A
MOSFET intern
ext.clock sync. yes
sync/non-sync non-sync
Frequency typ. 1000 kHz
Frequency adjustable adjustable
Frequency min. 200 kHz
Frequency max. 1000 kHz
Softstart yes
Softstart adjustable no
Quiescent current max. 5000 uA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size 100.0 uH
Inductor suggested by Würth Elektronik
Feedback Voltage 1.21 V
Automotive AEC-Q100 no
Topology Buck
Peak Efficiency 80 %
Component count min. 19
DC Dimming yes
PWM Dimming yes
digital dimming no
Nr. of package options 1
SC70
SOT
MSOP
QFN/DFN QFN-52
SO/SOIC
SOP
DIP
TO
Variation
LED temperature compensation yes

LT3596 Datasheet

Link to the most up-to-date LT3596 datasheet and the product page for EVM, tools and support information.

LT3596

LT3596 inventory, samples and price

OEMSecrets.com
findchips.com

Available Distributors with stock: 3

ARROW-NAC (2)

ProductStockPriceBuy
LT3596IUHG#PBF315
16.13 USD
1005.21 USD
Buy Now
LT3596EUHG#PBF327
15.22 USD
1004.43 USD
Buy Now

Chip-One-Stop (4)

ProductStockPriceBuy
LT3596EUHG#PBF327
110.10 USD
510.00 USD
107.88 USD
506.25 USD
1005.89 USD
2005.76 USD
Buy Now
LT3596EUHG#PBF327
110.10 USD
510.00 USD
107.88 USD
506.25 USD
1005.89 USD
2005.76 USD
Buy Now
LT3596EUHG#TRPBF2500
25004.97 USD
Buy Now
LT3596IUHG#PBF315
17.76 USD
106.14 USD
255.85 USD
505.35 USD
1004.95 USD
2004.75 USD
Buy Now

DIGI-KEY (2)

ProductStockPriceBuy
LT3596EUHG#PBF73
17.79 USD
255.22 USD
1004.43 USD
Buy Now
LT3596IUHG#PBF6
19.17 USD
256.13 USD
1005.21 USD
Buy Now
LT3596EUHG#TRPBF0
25004.53 USD
Buy Now
LT3596IUHG#TRPBF0
25005.31 USD
Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LT3596EUHG#PBF0
17.80 USD
255.23 USD
1004.43 USD
Buy Now

Available Distributors with stock: 2

Conrad Electronic

ProductStockPriceBuy
LT3596EUHG#PBF 99999999
19.79 €
109.30 €
Buy Now

Chip1Stop

ProductStockPriceBuy
LT3596IUHG#PBF 315
16.13 $
1005.21 $
Buy Now

Available Distributors without stock: 1

Newark element14

ProductStockPriceBuy
LT3596EUHG#PBF 0
17.80 $
255.23 $
1004.43 $
Buy Now

Equivalents and alternatives

The following DC/DC LED Buck driver are similar to LT3596. Optional, compare LT3596 side-by-side with other LED driver via the Comparison function.

Variation Compare Product Manufacturer Package
50% LT3597 LT3597 product overviewLT3597 product overview Linear Technology QFN-52

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3596.

V-IN min. 6 V, V-IN max. 55 V, I-OUT 0.3 A, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025330 33.0 0.4 0.6 840.00 2.8 x 2.8 x 3
74404024330 33.0 0.4 0.4 1,530.00 2.5 x 2 x 1.2
74404032330 33.0 0.5 0.5 911.00 3 x 3 x 1.5
74404032470 47.0 0.4 0.4 1,050.00 3 x 3 x 1.5
74404041330 33.0 0.7 0.6 628.00 4 x 4 x 1.2
74404041470 47.0 0.6 0.6 987.00 4 x 4 x 1.2
74404042470 47.0 0.6 0.7 620.00 4 x 4 x 1.8
744042330 33.0 0.7 0.5 382.00 4.8 x 4.8 x 2
744042470 47.0 0.6 0.5 540.00 4.8 x 4.8 x 2
744043330 33.0 0.8 0.6 195.00 4.8 x 4.8 x 3
744043390 39.0 0.8 0.5 215.00 4.8 x 4.8 x 3
744043470 47.0 0.8 0.5 250.00 4.8 x 4.8 x 3
744052470 47.0 0.8 0.7 530.00 5.8 x 5.8 x 2
744053330 33.0 0.9 0.8 180.00 5.8 x 5.8 x 3
744053470 47.0 0.8 0.7 220.00 5.8 x 5.8 x 3
744062330 33.0 0.9 0.8 150.00 6.8 x 6.8 x 2.5
744062470 47.0 0.7 0.6 260.00 6.8 x 6.8 x 2.5
74408941470 47.0 0.4 0.8 1,133.00 4.8 x 4.8 x 2.1
744773147 47.0 0.7 0.8 523.00 4 x 4.5 x 3.5
744773156 56.0 0.6 0.8 714.00 4 x 4.5 x 3.5
7447785147 47.0 0.9 0.7 500.00 5.9 x 6.2 x 3.3
7447786147 47.0 1.4 0.8 260.00 5.9 x 6.2 x 5.1
784773147 47.0 0.7 0.8 523.00 4 x 4.5 x 3.5
784773156 56.0 0.6 0.8 714.00 4 x 4.5 x 3.5
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Last Tweets
With the help of #OEMsecrets we show for all Selectors and products worldwide distributor inventory and prices. https://t.co/udaDPmshky
Update for the DC/DC Buck-Boost Converter Selector with additional products, fresh equivalent suggestions and more: https://t.co/C8PXhcizYQ
Meet us at the Electronica Tradeshow in Munich, appointments under info@dcdcselector.com https://t.co/1uiualLN1x
Feedback
ajax-loader.gif
Loading. Please wait.