LTC3539 Boost Converter Overview

Description

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DC/DC Converter
Sub-Category
Boost

LTC3539 is a 5.25 V, 2.30 A switch current limit sync Boost Converter from . The input voltage from 0.50 V to 5.00 V  can be boosted into an output voltage ranging from 1.50 V to 5.25 V.

Features of the Boost Converter are fixed 1000 kHz switching frequency, a typical inductor size of 4.7 µH and it offers a peak efficiency of  up to 94 %. The minimum external component count is 6 and LTC3539 is available in 1 package option(s): DFN-8 .

For LTC3539 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. 0.50 V
V-IN max. 5.00 V
Current-Limit typ.? 2.30 A
V-OUT min. 1.50 V
V-OUT max. 5.25 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 500 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 160 °C
Inductor size typ. 4.7 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 94 %
Component count min. 6
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-8
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3539 Datasheet

Link to the most up-to-date LTC3539 datasheet and the product page for EVM, tools and support information.

LTC3539

LTC3539 Price breaks and distributor sample stock

LTC3539 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 5

Digi-Key (5)

ProductStockPriceBuy
LTC3539EDCB#TRPBF2500
25003.10 USD
Buy Now
LTC3539EDCB#TRPBF2683
16.11 USD
255.46 USD
1003.72 USD
2503.41 USD
Buy Now
LTC3539EDCB#TRPBF2683
16.11 USD
255.46 USD
1003.72 USD
2503.41 USD
Buy Now
LTC3539EDCB-2#TRMPBF0
5003.10 USD
Buy Now
LTC3539EDCB-2#TRMPBF490
16.23 USD
255.56 USD
1003.72 USD
2503.41 USD
Buy Now
LTC3539EDCB-2#TRMPBF490
16.23 USD
255.56 USD
1003.72 USD
2503.41 USD
Buy Now
LTC3539EDCB#TRMPBF0
5003.10 USD
Buy Now
LTC3539EDCB#TRMPBF0
16.23 USD
255.56 USD
1003.72 USD
2503.41 USD
Buy Now
LTC3539EDCB#TRMPBF0
16.23 USD
255.56 USD
1003.72 USD
2503.41 USD
Buy Now
LTC3539EDCB-2#TRPBF0
25003.10 USD
Buy Now
DC1260A-A0
1102.00 USD
Buy Now
DC1260A-B0
1102.00 USD
Buy Now

Element14 (2)

ProductStockPriceBuy
LTC3539EDCB#TRMPBF6
19.79 USD
258.74 USD
1005.85 USD
2505.36 USD
Buy Now
LTC3539EDCB#TRMPBF6
19.79 USD
258.74 USD
1005.85 USD
2505.36 USD
Buy Now

Mouser-Electronics (3)

ProductStockPriceBuy
LTC3539EDCB-2#TRPBF2500 On Order
16.28 USD
105.83 USD
255.60 USD
1003.81 USD
2503.50 USD
25003.18 USD
Buy Now
LTC3539EDCB#TRMPBF498 On Order
16.40 USD
105.94 USD
255.70 USD
1003.81 USD
2503.50 USD
5003.18 USD
Buy Now
LTC3539EDCB-2#TRMPBF500 On Order
16.40 USD
105.94 USD
255.70 USD
1003.81 USD
2503.50 USD
5003.18 USD
Buy Now
LTC3539EDCB#TRPBFNone
16.28 USD
105.83 USD
255.60 USD
1003.81 USD
2503.50 USD
25003.18 USD
Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LTC3539EDCB-2#TRMPBF33
10.36 USD
250.36 USD
1000.36 USD
2500.36 USD
Buy Now
LTC3539EDCB#TRMPBF0
10.36 USD
Buy Now

RS Components (1)

ProductStockPriceBuy
LTC3539EDCB#TRMPBF406Buy Now

Available Distributors without stock: 2

Farnell Element14 (0)

ProductStockPriceBuy
LTC3539EDCB#TRMPBF0Buy Now
LTC3539EDCB#TRMPBF0Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 6

Arrow Electronics

ProductStockPriceBuy
LTC3539EDCB-2#TRMPBF 459
13.57 $
1003.04 $
Buy Now
LTC3539EDCB#TRMPBF 51
13.57 $
1003.04 $
Buy Now
LTC3539EDCB-2#TRMPBF 0
13.57 $
1003.04 $
Buy Now
LTC3539EDCB#TRMPBF 0
13.57 $
1003.04 $
Buy Now
LTC3539EDCB#TRMPBF 0
13.57 $
1003.04 $
Buy Now
LTC3539EDCB-2#TRPBF 0
13.57 $
1003.04 $
Buy Now
LTC3539EDCB-2#TRPBF 0
13.57 $
1003.04 $
Buy Now
LTC3539EDCB#TRPBF 0
13.57 $
1003.04 $
Buy Now
LTC3539EDCB#TRPBF 0
13.57 $
1003.04 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3539EDCB#TRPBF 2683
16.11 $
255.46 $
1003.72 $
2503.41 $
Buy Now
LTC3539EDCB#TRPBF 2683
16.11 $
255.46 $
1003.72 $
2503.41 $
Buy Now
LTC3539EDCB#TRPBF 2500
25003.10 $
Buy Now
LTC3539EDCB-2#TRMPBF 490
16.23 $
255.56 $
1003.72 $
2503.41 $
Buy Now
LTC3539EDCB-2#TRMPBF 490
16.23 $
255.56 $
1003.72 $
2503.41 $
Buy Now
LTC3539EDCB#TRMPBF 225
16.23 $
255.56 $
1003.72 $
2503.41 $
Buy Now
LTC3539EDCB#TRMPBF 225
16.23 $
255.56 $
1003.72 $
2503.41 $
Buy Now
LTC3539EDCB#TRMPBF 0
5003.10 $
Buy Now
LTC3539EDCB-2#TRPBF 0
25003.10 $
Buy Now
LTC3539EDCB-2#TRMPBF 0
5003.10 $
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LTC3539EDCB-2#TRMPBF 33
10.36 $
250.36 $
1000.36 $
2500.36 $
Buy Now

Quest Components

ProductStockPriceBuy
LTC3539EDCB-2#TRPBF 1338
11372.52 $
6952.64 $
17.20 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LTC3539EDCB#TRMPBF 6
17.83 $
256.99 $
1004.68 $
2504.28 $
Buy Now
LTC3539EDCB#TRMPBF 6
17.83 $
256.99 $
1004.68 $
2504.28 $
Buy Now

RS Components

ProductStockPriceBuy
LTC3539EDCB#TRMPBF 406
55.65 GBP
255.19 GBP
1254.74 GBP
2504.28 GBP
Buy Now

Available Distributors without stock: 2

Mouser Electronics

ProductStockPriceBuy
LTC3539EDCB-2#TRPBF 0
16.12 $
105.68 $
255.46 $
1003.72 $
2503.41 $
25003.10 $
Buy Now
LTC3539EDCB#TRMPBF 0
16.24 $
105.79 $
255.56 $
1003.72 $
2503.41 $
5003.10 $
Buy Now
LTC3539EDCB-2#TRMPBF 0
16.24 $
105.79 $
255.56 $
1003.72 $
2503.41 $
5003.10 $
Buy Now
LTC3539EDCB#TRPBF 0
16.12 $
105.68 $
255.46 $
1003.72 $
2503.41 $
25003.10 $
Buy Now
LTC3539EDCB#PBF 0 Buy Now
LTC3539EDCB-2#PBF 0 Buy Now

Farnell element14

ProductStockPriceBuy
LTC3539EDCB#TRMPBF 0
15.13 GBP
104.65 GBP
252.52 GBP
502.51 GBP
1002.50 GBP
Buy Now

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LTC3539. Optional, compare LTC3539 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3539-2 LTC3539-2 product overviewLTC3539-2 product overview Linear Technology DFN-8
25% XC9131 XC9131 product overviewXC9131 product overview Torex USP-10B
25% XC9135 XC9135 product overviewXC9135 product overview Torex USP-10
25% XC9136 XC9136 product overviewXC9136 product overview Torex USP-10
25% RP402-K001A-B-C-D RP402-K001A-B-C-D product overviewRP402-K001A-B-C-D product overview Ricoh DFN-8
50% ISL9113 ISL9113 product overviewISL9113 product overview Intersil WLCSP-6, DFN-8
50% LTC3528 LTC3528 product overviewLTC3528 product overview Linear Technology DFN-8
50% MP3120 MP3120 product overviewMP3120 product overview MPS TSOT23-6
50% MP3414 MP3414 product overviewMP3414 product overview MPS TSOT23-8
50% NCP1423 NCP1423 product overviewNCP1423 product overview ON Semiconductor Micro-10
50% TPS61200 TPS61200 product overviewTPS61200 product overview Texas Instruments QFN-10
50% XC9128 XC9128 product overviewXC9128 product overview Torex MSOP-10, USP-10B
50% XC9129 XC9129 product overviewXC9129 product overview Torex MSOP-10, USP-10B
50% ISL9113A ISL9113A product overviewISL9113A product overview Intersil DFN-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3539.

V-IN min. 0.5 V, Current-Limit typ. 2.3 A, V-OUT max. 5.25 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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