LTC3458 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LTC3458 is a 7.50 V, 1.60 A switch current limit sync Boost Converter from . The input voltage from 1.50 V to 6.00 V  can be boosted into an output voltage ranging from 2.00 V to 7.50 V.

Features of the Boost Converter are adjustable 1500 kHz switching frequency, a typical inductor size of 10.0 µH and it offers a peak efficiency of  up to 93 %. The minimum external component count is 14 and LTC3458 is available in 1 package option(s): DFN-12 .

For LTC3458 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. 6.00 V
Current-Limit typ.? 1.60 A
V-OUT min. 2.00 V
V-OUT max. 7.50 V
VOUT adjustable
VOUT programmable yes
sync/non-sync sync
Frequency typ. 1500 kHz
Frequency adjustable adjustable
Frequency selectable
Frequency adj. min. 400 kHz
Frequency adj. max. 1400 kHz
extern clock sync. yes
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min. 400 kHz
Frequency sync. max. 1400 kHz
Down Mode no
Quiescent current max. 3000 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 150 °C
Inductor size typ. 10.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 93 %
Component count min. 14
current limit adjustable yes
Nr.of package options 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-12
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3458 Datasheet

Link to the most up-to-date LTC3458 datasheet and the product page for EVM, tools and support information.

LTC3458

LTC3458 Price breaks and distributor sample stock

LTC3458 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 3

Digi-Key (4)

ProductStockPriceBuy
LTC3458EDE#PBF842
16.77 USD
254.49 USD
1003.59 USD
Buy Now
LTC3458LEDE#PBF518
16.77 USD
254.49 USD
1003.59 USD
Buy Now
DC878A4
1102.00 USD
Buy Now
DC728A3
1102.00 USD
Buy Now
LTC3458EDE#TRPBF0
25003.69 USD
Buy Now
LTC3458LEDE#TRPBF0
25003.69 USD
Buy Now

Mouser Electronics (2)

ProductStockPriceBuy
LTC3458EDE#PBF271
16.95 USD
106.36 USD
254.60 USD
1003.68 USD
Buy Now
LTC3458LEDE#PBF73
16.95 USD
106.36 USD
254.60 USD
1003.68 USD
Buy Now
LTC3458EDE#TRPBFNone
25003.79 USD
Buy Now
LTC3458LEDE#TRPBFNone
25003.79 USD
Buy Now

RS Components (2)

ProductStockPriceBuy
LTC3458EDE#PBF84Buy Now
LTC3458LEDE#PBF87Buy Now

Available Distributors without stock: 2

Farnell Element14 (0)

ProductStockPriceBuy
LTC3458EDE#PBF0Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 5

Arrow Electronics

ProductStockPriceBuy
LTC3458EDE#PBF 154
13.93 $
1003.52 $
Buy Now
LTC3458EDE#TRPBF 0
1003.62 $
Buy Now
LTC3458LEDE#PBF 0
13.93 $
1003.52 $
Buy Now
LTC3458LEDE#TRPBF 0
1003.62 $
Buy Now
LTC3458LEDE#TRPBF 0
1003.62 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3458EDE#PBF 842
1003.07 €
253.84 €
15.78 €
Buy Now
LTC3458LEDE#PBF 518
1003.07 €
253.84 €
15.78 €
Buy Now
DC878A 4
187.09 €
Buy Now
DC728A 3
187.09 €
Buy Now
LTC3458EDE#TRPBF 0
25003.15 €
Buy Now
LTC3458LEDE#TRPBF 0
25003.15 €
Buy Now
show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
LTC3458EDE#PBF 271
16.78 $
106.21 $
254.49 $
1003.59 $
Buy Now
LTC3458LEDE#PBF 73
16.78 $
106.21 $
254.49 $
1003.59 $
Buy Now
LTC3458EDE#TRPBF 0
25003.69 $
Buy Now
LTC3458LEDE#TRPBF 0
25003.69 $
Buy Now
LTC3458EDE 0 Buy Now
LTC3458LEDE 0 Buy Now
LTC3458LEDE#TR 0 Buy Now
LTC3458EDE#TR 0 Buy Now
show stock=0hide stock=0

Quest Components

ProductStockPriceBuy
LTC3458EDE 169
1493.12 $
523.38 $
17.80 $
Buy Now
LTC3458EDE#PBF 386
1493.12 $
523.38 $
17.80 $
Buy Now

RS Components

ProductStockPriceBuy
LTC3458EDE#PBF 84
184.82 GBP
464.36 GBP
Buy Now
LTC3458LEDE#PBF 87
185.29 GBP
464.95 GBP
Buy Now

Available Distributors without stock: 1

Farnell element14

ProductStockPriceBuy
LTC3458EDE#PBF 0
14.82 GBP
104.37 GBP
254.10 GBP
503.83 GBP
1003.55 GBP
Buy Now

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LTC3458. Optional, compare LTC3458 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
25% LTC3458L LTC3458L product overviewLTC3458L product overview Linear Technology DFN-12

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3458.

V-IN min. 1.5 V, Current-Limit typ. 1.6 A, V-OUT max. 7.5 V, Frequency typ. 1500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74407000018 0.2 9.0 9.0 3.51 8 x 8 x 2
744373240022 0.2 9.5 17.0 6.60 4.45 x 4.06 x 2
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