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: 7

ARROW-NAC (2)

ProductStockPriceBuy
LT3479EDE#PBF1067
13.56 USD
1003.18 USD
Buy Now
LT3479EFE#PBF531
13.56 USD
1003.18 USD
Buy Now

Chip-One-Stop (4)

ProductStockPriceBuy
LT3479EDE#PBF91
15.15 USD
103.63 USD
503.51 USD
Buy Now
LT3479EDE#PBF585
15.88 USD
104.95 USD
254.89 USD
504.66 USD
1004.55 USD
2004.34 USD
Buy Now
LT3479EFE1045
10455.90 USD
Buy Now
LT3479EFE#PBF25
15.46 USD
105.42 USD
Buy Now

DIGI-KEY (4)

ProductStockPriceBuy
LT3479EDE#PBF1391
16.03 USD
254.00 USD
1003.18 USD
Buy Now
LT3479EFE#PBF954
16.03 USD
254.00 USD
1003.18 USD
Buy Now
DC843A4
1100.50 USD
Buy Now
DC765B2
1175.88 USD
Buy Now
LT3479EFE#TRPBF0
25003.28 USD
Buy Now
LT3479EDE#TRPBF0
25003.28 USD
Buy Now

Element14 (2)

ProductStockPriceBuy
LT3479EDE#PBF20
19.64 USD
256.40 USD
1005.09 USD
Buy Now
LT3479EFE#PBF54
19.64 USD
256.40 USD
1005.09 USD
Buy Now

FARNELL-ELEMENT14 (2)

ProductStockPriceBuy
LT3479EDE#PBF27Buy Now
LT3479EFE#PBF54Buy Now

NEWARK (1)

ProductStockPriceBuy
LT3479EDE#PBF8
13.18 USD
253.18 USD
1003.18 USD
Buy Now
LT3479EDE#TRPBF0
15.17 USD
25003.71 USD
Buy Now
LT3479EFE#PBF0
16.05 USD
254.01 USD
1003.18 USD
Buy Now
LT3479EFE#TRPBF0
15.17 USD
25003.71 USD
Buy Now

RS-COMPONENTS (2)

ProductStockPriceBuy
LT3479EDE#PBF55Buy Now
LT3479EFE#PBF454Buy Now

Available Distributors with stock: 7

RS Components

ProductStockPriceBuy
LT3479EDE#PBF 55
14.06 GBP
103.85 GBP
253.56 GBP
503.52 GBP
753.48 GBP
Buy Now
LT3479EFE#PBF 454
14.61 GBP
103.90 GBP
203.38 GBP
Buy Now

Bristol Electronics

ProductStockPriceBuy
LT3479EFE#PBF 44 Buy Now

Conrad Electronic

ProductStockPriceBuy
LT3479EDE#PBF 99999999
17.57 €
107.19 €
Buy Now
LT3479EFE#PBF 20
15.31 €
104.78 €
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LT3479EDE#PBF 20
17.71 $
255.12 $
1004.07 $
Buy Now
LT3479EFE#PBF 54
17.71 $
255.12 $
1004.07 $
Buy Now

Newark element14

ProductStockPriceBuy
LT3479EDE#PBF 8
13.18 $
253.18 $
1003.18 $
Buy Now
LT3479EDE#TRPBF 0
15.17 $
25003.71 $
Buy Now
LT3479EFE#PBF 0
16.05 $
254.01 $
1003.18 $
Buy Now
LT3479EFE#TRPBF 0
15.17 $
25003.71 $
Buy Now
show stock=0hide stock=0

Chip One Exchange

ProductStockPriceBuy
LT3479EFE#PBF 9

Chip1Stop

ProductStockPriceBuy
LT3479EDE#PBF 55
16.47 $
104.15 $
503.68 $
Buy Now
LT3479EFE#PBF 59
16.42 $
106.01 $
505.95 $
Buy Now

Available Distributors without stock: 1

Farnell element14

ProductStockPriceBuy
LT3479EDE#PBF 0
16.25 €
1003.01 €
16.25 €
253.78 €
1003.01 €
Buy Now
LT3479EFE#PBF 0
16.25 €
1003.01 €
16.25 €
253.78 €
1003.01 €
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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