LT3479 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LT3479 is a 36.00 V, 4.50 A switch current limit non-sync Boost Converter from . The input voltage from 2.50 V to 24.00 V  can be boosted into an output voltage ranging from 2.50 V to 36.00 V.

Features of the Boost Converter are adjustable 1000 kHz switching frequency, a typical inductor size of 4.7 µH and it offers a peak efficiency of  up to 89 %. The minimum external component count is 10 and LT3479 is available in 2 package option(s): DFN-14 TSSOP-16 .

For LT3479 replacement search, select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

ParameterValueReplacement
Search Filter
V-IN min. 2.50 V
V-IN max. 24.00 V
Current-Limit typ.? 4.50 A
V-OUT min. 2.50 V
V-OUT max. 36.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 1000 kHz
Frequency adjustable adjustable
Frequency selectable
Frequency adj. min. 200 kHz
Frequency adj. max. 3500 kHz
extern clock sync. no
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 7500 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 4.7 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 89 %
Component count min. 10
current limit adjustable no
Nr.of package options 2
CSP
SC70
SOT
MSOP
QFN/DFN DFN-14
SO/SOIC
SOP TSSOP-16
DIP
TO
DDPAK

LT3479 Datasheet

Link to the most up-to-date LT3479 datasheet and the product page for EVM, tools and support information.

LT3479

LT3479 Price breaks and distributor sample stock

LT3479 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 6

Chip One Stop (5)

ProductStockPriceBuy
LT3479EDE#PBF52
16.41 USD
104.12 USD
503.65 USD
Buy Now
LT3479EDE#PBF375
16.31 USD
1004.94 USD
Buy Now
LT3479EFE1045
25006.70 USD
Buy Now
LT3479EFE#PBF98
16.10 USD
106.01 USD
503.95 USD
Buy Now
LT3479EFE#PBF1161
16.31 USD
1004.94 USD
Buy Now

Conrad (1)

ProductStockPriceBuy
LT3479EFE#PBF17Buy Now

Digi-Key (4)

ProductStockPriceBuy
LT3479EDE#PBF1965
16.03 USD
254.00 USD
1003.18 USD
Buy Now
LT3479EFE#PBF1782
16.03 USD
254.00 USD
1003.18 USD
Buy Now
DC843A4
1100.50 USD
Buy Now
DC765B3
1175.88 USD
Buy Now
LT3479EFE#TRPBF0
25003.28 USD
Buy Now
LT3479EDE#TRPBF0
25003.28 USD
Buy Now

Element14 (2)

ProductStockPriceBuy
LT3479EDE#PBF375
19.30 USD
256.17 USD
1004.98 USD
Buy Now
LT3479EFE#PBF87
19.30 USD
256.17 USD
1004.98 USD
Buy Now

Farnell Element14 (2)

ProductStockPriceBuy
LT3479EDE#PBF489Buy Now
LT3479EFE#PBF137Buy Now

RS Components (2)

ProductStockPriceBuy
LT3479EDE#PBF82Buy Now
LT3479EFE#PBF422Buy Now

Available Distributors with stock: 10

Arrow Electronics

ProductStockPriceBuy
LT3479EFE 1338
135.56 $
2510.44 $
1004.80 $
5004.00 $
10003.59 $
25003.48 $
50003.39 $
100003.34 $
250003.29 $
500003.21 $
Buy Now
LT3479EFE#PBF 1161
13.56 $
1003.18 $
Buy Now
LT3479EDE#PBF 400
13.56 $
1003.18 $
Buy Now
LT3479EDE 0
176.80 $
Buy Now
LT3479EDE#TRPBF 0
25003.28 $
Buy Now
LT3479EFE#TRPBF 0
25003.28 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT3479EDE#PBF 1965
1002.70 €
253.40 €
15.12 €
Buy Now
LT3479EFE#PBF 1782
1002.70 €
253.40 €
15.12 €
Buy Now
DC843A 4
185.27 €
Buy Now
DC765B 3
1149.23 €
Buy Now
LT3479EFE#TRPBF 0
25002.78 €
Buy Now
LT3479EDE#TRPBF 0
25002.78 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LT3479EDE#PBF 8
16.01 $
253.98 $
1003.18 $
Buy Now
LT3479EFE#PBF 0
16.01 $
253.98 $
1003.18 $
Buy Now
LT3479EDE#TRPBF 0
15.17 $
25003.71 $
Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT3479EFE#PBF 44 Buy Now

Quest Components

ProductStockPriceBuy
LT3479EDE 1 Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LT3479EDE#PBF 375
17.44 $
254.94 $
1003.98 $
Buy Now
LT3479EFE#PBF 87
17.44 $
254.94 $
1003.98 $
Buy Now

Farnell element14

ProductStockPriceBuy
LT3479EDE#PBF 482
15.14 GBP
253.09 GBP
1002.59 GBP
Buy Now
LT3479EFE#PBF 137
15.14 GBP
253.09 GBP
1002.59 GBP
Buy Now

Chip One Exchange

ProductStockPriceBuy
LT3479EFE#PBF 9

Chip1Stop

ProductStockPriceBuy
LT3479EFE 1045
25006.70 $
Buy Now
LT3479EDE#PBF 52
16.41 $
104.12 $
503.65 $
Buy Now
LT3479EFE#PBF 98
16.10 $
106.01 $
503.95 $
Buy Now

RS Components

ProductStockPriceBuy
LT3479EDE#PBF 82
103.85 GBP
253.56 GBP
503.52 GBP
753.48 GBP
Buy Now
LT3479EFE#PBF 422
14.61 GBP
103.90 GBP
203.38 GBP
Buy Now

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LT3479. Optional, compare LT3479 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT3477 LT3477 product overviewLT3477 product overview Linear Technology QFN-20, TSSOP-20
0% LT3579 LT3579 product overviewLT3579 product overview Linear Technology QFN-20, TSSOP-20
0% LT3581 LT3581 product overviewLT3581 product overview Linear Technology MSOP-16, DFN-14
0% LT3959 LT3959 product overviewLT3959 product overview Linear Technology QFN-36
25% LT3957 LT3957 product overviewLT3957 product overview Linear Technology QFN-36
25% LT3957A LT3957A product overviewLT3957A product overview Linear Technology QFN-36
25% MAX8740 MAX8740 product overviewMAX8740 product overview Maxim Integrated TDFN-EP-10
25% MP3425 MP3425 product overviewMP3425 product overview MPS QFN-14
25% TPS61175 TPS61175 product overviewTPS61175 product overview Texas Instruments HTSSOP-14
25% G5120 G5120 product overviewG5120 product overview GMT TDFN-10
25% TS1910ACS TS1910ACS product overviewTS1910ACS product overview Taiwan Semi SOP-8
25% TPS61175-Q1 TPS61175-Q1 product overviewTPS61175-Q1 product overview Texas Instruments HTSSOP-14
50% AOZ1905DI AOZ1905DI product overviewAOZ1905DI product overview Alpha Omega DFN10
50% AOZ1905FI AOZ1905FI product overviewAOZ1905FI product overview Alpha Omega MSOP-8
50% ADP1614 ADP1614 product overviewADP1614 product overview Analog Devices QFN-10
50% ISL97656 ISL97656 product overviewISL97656 product overview Intersil TDFN-10
50% LT3580 LT3580 product overviewLT3580 product overview Linear Technology MSOP-8, DFN-8
50% MAX17062 MAX17062 product overviewMAX17062 product overview Maxim Integrated TDFN-EP-10
50% MAX17067 MAX17067 product overviewMAX17067 product overview Maxim Integrated uMAX-8
50% MAX8727 MAX8727 product overviewMAX8727 product overview Maxim Integrated TDFN-EP-10
50% MP3213 MP3213 product overviewMP3213 product overview MPS MSOP-8, QFN-10
50% NJU7678 NJU7678 product overviewNJU7678 product overview New Japan Radio QFN-24
50% RT9297 RT9297 product overviewRT9297 product overview Richtek WDFN-10
50% SC4501 SC4501 product overviewSC4501 product overview Semtech MSOP-8, MLPD-10
50% LM3224 LM3224 product overviewLM3224 product overview Texas Instruments VSSOP-8
50% LM3310 LM3310 product overviewLM3310 product overview Texas Instruments WQFN-24
50% LM3311 LM3311 product overviewLM3311 product overview Texas Instruments WQFN-24
50% TPS61085 TPS61085 product overviewTPS61085 product overview Texas Instruments MSOP-8, TSSOP-8
50% TPS61087 TPS61087 product overviewTPS61087 product overview Texas Instruments QFN-10
50% G5110 G5110 product overviewG5110 product overview GMT TDFN-10
50% TS1910CS TS1910CS product overviewTS1910CS product overview Taiwan Semi SOP-8
50% TPS61085-Q1 TPS61085-Q1 product overviewTPS61085-Q1 product overview Texas Instruments MSOP-8
50% TPS61087-Q1 TPS61087-Q1 product overviewTPS61087-Q1 product overview Texas Instruments QFN-10
50% LT8494 LT8494 product overviewLT8494 product overview Linear Technology QFN-20, TSSOP-20
50% LT8495 LT8495 product overviewLT8495 product overview Linear Technology QFN-20, TSSOP-20

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3479.

V-IN min. 2.5 V, Current-Limit typ. 4.5 A, V-OUT max. 36 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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