LTC3425 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LTC3425 is a 5.25 V, 7.00 A switch current limit sync Boost Converter from . The input voltage from 0.88 V to 4.50 V  can be boosted into an output voltage ranging from 2.40 V to 5.25 V.

Features of the Boost Converter are adjustable 1000 kHz switching frequency, a typical inductor size of 2.7 µH and it offers a peak efficiency of  up to 95 %. The minimum external component count is 17 and LTC3425 is available in 1 package option(s): QFN-32 .

For LTC3425 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. 0.88 V
V-IN max. 4.50 V
Current-Limit typ.? 7.00 A
V-OUT min. 2.40 V
V-OUT max. 5.25 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adjustable adjustable
Frequency selectable
Frequency adj. min. 100 kHz
Frequency adj. max. 2000 kHz
extern clock sync. yes
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK yes
LBI/LBO no
Frequency sync. min. 100 kHz
Frequency sync. max. 2000 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. 2.7 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 95 %
Component count min. 17
current limit adjustable yes
Nr.of package options 1
CSP
SC70
SOT
MSOP
QFN/DFN QFN-32
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3425 Datasheet

Link to the most up-to-date LTC3425 datasheet and the product page for EVM, tools and support information.

LTC3425

LTC3425 Price breaks and distributor sample stock

LTC3425 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 4

Chip-One-Stop (1)

ProductStockPriceBuy
LTC3425EUH#PBF10
19.51 USD
58.13 USD
107.94 USD
Buy Now

DIGI-KEY (1)

ProductStockPriceBuy
LTC3425EUH#PBF1017
18.79 USD
256.25 USD
1005.15 USD
Buy Now
LTC3425EUH#TRPBF0
25005.25 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LTC3425EUH#PBF15
113.95 USD
259.92 USD
1008.17 USD
Buy Now

FARNELL-ELEMENT14 (1)

ProductStockPriceBuy
LTC3425EUH#PBF15Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LTC3425EUH#PBF0
18.81 USD
256.24 USD
1005.15 USD
Buy Now
LTC3425EUH#TRPBF0
19.07 USD
25006.50 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3425 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LTC3425. Optional, compare LTC3425 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 LTC3425.

V-IN min. 0.88 V, Current-Limit typ. 7 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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