LTC3459 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LTC3459 is a 10.00 V, 0.08 A switch current limit sync Boost Converter from . The input voltage from 1.50 V to 5.50 V  can be boosted into an output voltage ranging from 2.50 V to 10.00 V.

Features of the Boost Converter are fixed 2000 kHz switching frequency, a typical inductor size of 22.0 µH and it offers a peak efficiency of  up to 89 %. The minimum external component count is 6 and LTC3459 is available in 3 package option(s): TSOT23-6 DFN-6 .

For LTC3459 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. 1.50 V
V-IN max. 5.50 V
Current-Limit typ.? 0.08 A
V-OUT min. 2.50 V
V-OUT max. 10.00 V
VOUT adjustable
VOUT programmable yes
sync/non-sync sync
Frequency typ. 2000 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 20 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 22.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 89 %
Component count min. 6
current limit adjustable no
Nr.of package options 3
CSP
SC70
SOT TSOT23-6
MSOP
QFN/DFN DFN-6
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3459 Datasheet

Link to the most up-to-date LTC3459 datasheet and the product page for EVM, tools and support information.

LTC3459

LTC3459 Price breaks and distributor sample stock

LTC3459 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LTC3459 stock available

Available Distributors with stock: 7

Arrow Electronics

ProductStockPriceBuy
LTC3459ES6#TRMPBF 1
1002.34 $
Buy Now

Digi-Key

ProductStockPriceBuy
LTC3459ES6#TRMPBF 517
2502.42 €
1002.64 €
253.65 €
14.09 €
Buy Now
LTC3459ES6#TRMPBF 517
2502.42 €
1002.64 €
253.65 €
14.09 €
Buy Now
LTC3459ES6#TRMPBF 500
5002.20 €
Buy Now
LTC3459ES6#TRPBF 0
25002.53 €
Buy Now
LTC3459EDC#TRPBF 0
25002.56 €
Buy Now
LTC3459EDCB#TRPBF 0
25002.56 €
Buy Now
LTC3459EDC#TRMPBF 0
5002.56 €
Buy Now
LTC3459EDCB#TRMPBF 0
5002.56 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LTC3459ES6#TRPBF 772
11.97 $
251.97 $
1001.97 $
2501.97 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3459ES6#TRPBF 564
14.57 $
104.24 $
504.07 $
2502.86 $
Buy Now
LTC3459ES6#TRMPBF 347
14.68 $
104.35 $
504.18 $
2502.86 $
Buy Now
LTC3459EDCB#TRMPBF 0
5002.99 $
Buy Now
LTC3459EDC#TRMPBF 0
5002.99 $
Buy Now
LTC3459EDC#TRPBF 0
25002.99 $
Buy Now
LTC3459EDCB#TRPBF 0
25002.99 $
Buy Now
LTC3459ES6 0 Buy Now
LTC3459ES6#TRM 0 Buy Now
LTC3459EDC#PBF 0 Buy Now
LTC3459EDCB#PBF 0 Buy Now
LTC3459ES6#TR 0 Buy Now
show stock=0hide stock=0

Quest Components

ProductStockPriceBuy
LTC3459ES6#TRPBF 162
792.21 $
82.55 $
15.10 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LTC3459ES6TRMPBF 980

RS Components

ProductStockPriceBuy
LTC3459ES6#TRMPBF 10
503.27 GBP
253.91 GBP
54.55 GBP
15.19 GBP
Buy Now

Available Distributors without stock: 1

Richardson RFPD

ProductStockPriceBuy
LTC3459EDC#TRMPBF 0
5002.70 $
10002.63 $
50002.53 $
Buy Now
LTC3459EDC#TRPBF 0
25002.56 $
50002.47 $
Buy Now
LTC3459EDCB#TRMPBF 0
5002.70 $
10002.63 $
50002.53 $
Buy Now
LTC3459ES6#TRPBF 0
25002.56 $
50002.47 $
Buy Now
LTC3459EDCB#TRPBF 0
25002.56 $
50002.47 $
Buy Now
LTC3459ES6#TRMPBF 0
5002.66 $
10002.59 $
50002.49 $
Buy Now

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LTC3459. Optional, compare LTC3459 side-by-side with other Boost Converter via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3459.

V-IN min. 1.5 V, Current-Limit typ. 0.075 A, V-OUT max. 10 V, Frequency typ. 2000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744028002 2.2 1.3 1.0 125.00 2.8 x 2.8 x 1.2
744028003 3.3 1.0 0.9 185.00 2.8 x 2.8 x 1.2
744029003 3.3 1.3 1.0 110.00 2.8 x 2.8 x 1.5
744030002 2.2 0.7 0.8 140.00 3.3 x 3.5 x 1.05
744030003 3.3 0.7 0.7 198.00 3.3 x 3.5 x 1.05
744031003 3.6 1.4 1.1 66.00 3.8 x 3.8 x 1.8
74479775222A 2.2 1.0 0.6 200.00 2 x 1.2 x 1.2
74479776222A 2.2 1.3 0.6 110.00 2 x 1.6 x 1
74479787222A 2.2 1.8 0.7 85.00 2.5 x 2 x 1
74479887222A 2.2 1.4 0.8 140.00 2.5 x 2 x 1
74479887233A 3.3 1.2 0.6 180.00 2.5 x 2 x 1
74479888233 3.3 1.1 1.1 250.00 2.5 x 2 x 1
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