LT3579-1 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LT3579-1 is a 40.00 V, 7.50 A switch current limit non-sync Boost Converter from . The input voltage from 2.30 V to 16.00 V  can be boosted into an output voltage ranging from 3.50 V to 40.00 V.

Features of the Boost Converter are adjustable 2500 kHz switching frequency, a typical inductor size of 2.2 µH and it offers a peak efficiency of  up to 90 %. The minimum external component count is 15 and LT3579-1 is available in 2 package option(s): QFN-20 TSSOP-20 .

For LT3579-1 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. 2.30 V
V-IN max. 16.00 V
Current-Limit typ.? 7.50 A
V-OUT min. 3.50 V
V-OUT max. 40.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 2500 kHz
Frequency adjustable adjustable
Frequency selectable
Frequency adj. min. 200 kHz
Frequency adj. max. 2500 kHz
extern clock sync. yes
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min. 200 kHz
Frequency sync. max. 2500 kHz
Down Mode no
Quiescent current max. 2400 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 165 °C
Inductor size typ. 2.2 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 90 %
Component count min. 15
current limit adjustable no
Nr.of package options 2
CSP
SC70
SOT
MSOP
QFN/DFN QFN-20
SO/SOIC
SOP TSSOP-20
DIP
TO
DDPAK

LT3579-1 Datasheet

Link to the most up-to-date LT3579-1 datasheet and the product page for EVM, tools and support information.

LT3579-1

LT3579-1 Price breaks and distributor sample stock

LT3579-1 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 5

Chip One Stop (4)

ProductStockPriceBuy
LT3579EFE#PBF64
18.05 USD
105.17 USD
504.58 USD
Buy Now
LT3579EUFD-1#PBF121
14.94 USD
1004.71 USD
Buy Now
LT3579IFE-1#PBF6
15.73 USD
Buy Now
LT3579IUFD#PBF956
15.47 USD
1005.22 USD
Buy Now

Digi-Key (5)

ProductStockPriceBuy
LT3579EUFD#PBF173
17.20 USD
254.80 USD
1004.09 USD
Buy Now
LT3579EFE#PBF993
17.51 USD
255.03 USD
1004.27 USD
Buy Now
LT3579EFE-1#PBF411
17.51 USD
255.03 USD
1004.27 USD
Buy Now
LT3579IUFD-1#PBF165
18.00 USD
255.34 USD
1004.55 USD
Buy Now
LT3579IUFD#PBF85
18.00 USD
255.34 USD
1004.55 USD
Buy Now
LT3579EUFD-1#PBF0
2194.09 USD
Buy Now
LT3579EUFD#TRPBF0
25004.19 USD
Buy Now
LT3579EUFD-1#TRPBF0
25004.19 USD
Buy Now
LT3579EFE#TRPBF0
25004.38 USD
Buy Now
LT3579EFE-1#TRPBF0
25004.38 USD
Buy Now
LT3579IUFD#TRPBF0
25004.65 USD
Buy Now
LT3579IUFD-1#TRPBF0
25004.65 USD
Buy Now
LT3579IFE#PBF0
2224.74 USD
Buy Now
LT3579IFE-1#PBF0
2224.74 USD
Buy Now
LT3579IFE#TRPBF0
25004.85 USD
Buy Now
LT3579IFE-1#TRPBF0
25004.85 USD
Buy Now

Element14 (3)

ProductStockPriceBuy
LT3579EFE-1#PBF40
111.71 USD
257.85 USD
1006.67 USD
Buy Now
LT3579EFE#PBF186
111.71 USD
257.85 USD
1006.67 USD
Buy Now
LT3579IUFD#PBF2
15.54 USD
Buy Now

Farnell Element14 (2)

ProductStockPriceBuy
LT3579EFE-1#PBF40Buy Now
LT3579EFE#PBF196Buy Now
LT3579IUFD#PBF0Buy Now

RS Components (1)

ProductStockPriceBuy
LT3579EFE#PBF142Buy Now

Available Distributors with stock: 7

Arrow Electronics

ProductStockPriceBuy
LT3579IFE-1#PBF 180
15.47 $
1004.65 $
Buy Now
LT3579EUFD-1#PBF 121
14.71 $
1004.01 $
Buy Now
LT3579IFE-1#PBF 6
15.47 $
1004.65 $
Buy Now
LT3579IUFD-1#TRPBF 0
1004.56 $
Buy Now
LT3579IUFD-1#PBF 0
15.24 $
1004.46 $
Buy Now
LT3579IUFD-1#PBF 0
15.24 $
1004.46 $
Buy Now
LT3579EUFD#TRPBF 0
1004.11 $
Buy Now
LT3579EUFD#TRPBF 0
1004.11 $
Buy Now
LT3579IFE#TRPBF 0
1004.75 $
Buy Now
LT3579IFE#PBF 0
15.47 $
1004.65 $
Buy Now
LT3579EUFD#PBF 0
14.71 $
1004.01 $
Buy Now
LT3579EFE-1#PBF 0
14.93 $
1004.19 $
Buy Now
LT3579EFE-1#PBF 0
14.93 $
1004.19 $
Buy Now
LT3579IUFD#PBF 0
15.24 $
1004.46 $
Buy Now
LT3579IUFD#TRPBF 0
1004.56 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT3579EFE#PBF 993
1003.44 €
254.05 €
16.04 €
Buy Now
LT3579EFE-1#PBF 411
1003.44 €
254.05 €
16.04 €
Buy Now
LT3579EUFD#PBF 173
1003.29 €
253.86 €
15.79 €
Buy Now
LT3579IUFD-1#PBF 165
1003.66 €
254.30 €
16.44 €
Buy Now
LT3579IUFD#PBF 85
1003.66 €
254.30 €
16.44 €
Buy Now
LT3579EUFD-1#PBF 0
2193.29 €
Buy Now
LT3579EUFD#TRPBF 0
25003.37 €
Buy Now
LT3579EUFD-1#TRPBF 0
25003.37 €
Buy Now
LT3579EFE#TRPBF 0
25003.52 €
Buy Now
LT3579EFE-1#TRPBF 0
25003.52 €
Buy Now
LT3579IUFD#TRPBF 0
25003.74 €
Buy Now
LT3579IUFD-1#TRPBF 0
25003.74 €
Buy Now
LT3579IFE#PBF 0
2223.82 €
Buy Now
LT3579IFE-1#PBF 0
2223.82 €
Buy Now
LT3579IFE#TRPBF 0
25003.90 €
Buy Now
show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
LT3579EUFD#PBF 194
17.21 $
106.61 $
254.80 $
1004.09 $
Buy Now
LT3579EFE#PBF 92
17.52 $
106.89 $
255.03 $
1004.27 $
Buy Now
LT3579IUFD-1#PBF 0
18.01 $
107.34 $
255.34 $
1004.55 $
Buy Now
LT3579EUFD-1#PBF 0
17.21 $
106.61 $
254.80 $
1004.09 $
Buy Now
LT3579IUFD#PBF 0
18.01 $
107.34 $
255.34 $
1004.55 $
Buy Now
LT3579IFE-1#PBF 0
18.37 $
107.67 $
255.58 $
1004.74 $
Buy Now
LT3579EFE#TRPBF 0
18.56 $
107.95 $
257.64 $
1005.25 $
2504.81 $
Buy Now
LT3579EUFD#TRPBF 0
18.22 $
107.63 $
257.33 $
1005.03 $
2504.61 $
Buy Now
LT3579IUFD-1#TRPBF 0
19.11 $
108.45 $
258.12 $
1005.58 $
2505.12 $
Buy Now
LT3579IFE-1#TRPBF 0
19.51 $
108.83 $
258.48 $
1005.81 $
2505.33 $
Buy Now
LT3579EFE-1#PBF 0
17.52 $
106.89 $
255.03 $
1004.27 $
Buy Now
LT3579EUFD-1#TRPBF 0
18.22 $
107.63 $
257.33 $
1005.03 $
2504.61 $
Buy Now
LT3579IFE#PBF 0
18.37 $
107.67 $
255.58 $
1004.74 $
Buy Now
LT3579EFE-1#TRPBF 0
18.56 $
107.95 $
257.64 $
1005.25 $
2504.81 $
Buy Now
LT3579IUFD#TRPBF 0
19.11 $
108.45 $
258.12 $
1005.58 $
2505.12 $
Buy Now
show stock=0hide stock=0

element14 Asia-Pacific

ProductStockPriceBuy
LT3579EFE#PBF 186
19.37 $
256.28 $
1005.33 $
Buy Now
LT3579IUFD#PBF 2
14.43 $
Buy Now
LT3579EFE-1#PBF 38
19.37 $
256.28 $
1005.33 $
Buy Now

Farnell element14

ProductStockPriceBuy
LT3579EFE#PBF 196
16.16 GBP
105.63 GBP
253.46 GBP
503.45 GBP
1003.44 GBP
Buy Now
LT3579IUFD#PBF 0
16.67 GBP
254.09 GBP
1003.64 GBP
Buy Now
LT3579EFE-1#PBF 38
15.82 GBP
253.56 GBP
1003.25 GBP
Buy Now
show stock=0hide stock=0

Chip1Stop

ProductStockPriceBuy
LT3579EFE#PBF 64
504.58 $
105.17 $
18.05 $
Buy Now
LT3579EUFD-1#PBF 121
1004.71 $
14.94 $
Buy Now
LT3579IFE-1#PBF 6
15.73 $
Buy Now
LT3579IUFD#PBF 956
1005.22 $
15.47 $
Buy Now

RS Components

ProductStockPriceBuy
LT3579EFE#PBF 142
25.12 GBP
104.88 GBP
204.64 GBP
503.70 GBP
Buy Now

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LT3579-1. Optional, compare LT3579-1 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
25% LT3959 LT3959 product overviewLT3959 product overview Linear Technology QFN-36
25% TPS55340 TPS55340 product overviewTPS55340 product overview Texas Instruments WQFN-16, HTSSOP-14
25% TPS55340-Q1 TPS55340-Q1 product overviewTPS55340-Q1 product overview Texas Instruments WQFN-16, HTSSOP-14
25% TPS55340-EP TPS55340-EP product overviewTPS55340-EP product overview Texas Instruments WQFN-16
50% LT3579 LT3579 product overviewLT3579 product overview Linear Technology QFN-20, TSSOP-20
50% LT3581 LT3581 product overviewLT3581 product overview Linear Technology MSOP-16, DFN-14
50% LT3957 LT3957 product overviewLT3957 product overview Linear Technology QFN-36
50% LT3957A LT3957A product overviewLT3957A product overview Linear Technology QFN-36
50% TPS61175 TPS61175 product overviewTPS61175 product overview Texas Instruments HTSSOP-14
50% TPS55330 TPS55330 product overviewTPS55330 product overview Texas Instruments WQFN-16
50% TPS55332-Q1 TPS55332-Q1 product overviewTPS55332-Q1 product overview Texas Instruments HTSSOP-20
50% TPS61175-Q1 TPS61175-Q1 product overviewTPS61175-Q1 product overview Texas Instruments HTSSOP-14

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3579-1.

V-IN min. 2.3 V, Current-Limit typ. 7.5 A, V-OUT max. 40 V, Frequency typ. 2500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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