LTC3422 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LTC3422 is a 5.25 V, 2.00 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 2.25 V to 5.25 V.

Features of the Boost Converter are adjustable 1000 kHz switching frequency, a typical inductor size of 4.7 µH and it offers a peak efficiency of  up to 96 %. The minimum external component count is 13 and LTC3422 is available in 1 package option(s): DFN-10 .

For LTC3422 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.? 2.00 A
V-OUT min. 2.25 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. 3000 kHz
extern clock sync. yes
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min. 100 kHz
Frequency sync. max. 3000 kHz
Down Mode no
Quiescent current max. 1100 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 4.7 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 96 %
Component count min. 13
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-10
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3422 Datasheet

Link to the most up-to-date LTC3422 datasheet and the product page for EVM, tools and support information.

LTC3422

LTC3422 Price breaks and distributor sample stock

LTC3422 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 3

Chip-One-Stop (1)

ProductStockPriceBuy
LTC3422EDD#PBF74
16.43 USD
105.41 USD
255.34 USD
505.10 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LTC3422EDD#PBF16
19.48 USD
256.73 USD
1005.55 USD
Buy Now

FARNELL-ELEMENT14 (1)

ProductStockPriceBuy
LTC3422EDD#PBF16Buy Now

Available Distributors without stock: 2

DIGI-KEY (0)

ProductStockPriceBuy
LTC3422EDD#PBF0
15.93 USD
254.21 USD
1003.47 USD
Buy Now
LTC3422EDD#TRPBF0
25003.57 USD
Buy Now

NEWARK (0)

ProductStockPriceBuy
LTC3422EDD#PBF0
15.94 USD
254.03 USD
1003.47 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3422 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LTC3422. Optional, compare LTC3422 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 LTC3422.

V-IN min. 0.88 V, Current-Limit typ. 2 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)
744302010 0.1 30.0 45.0 0.24 6.95 x 6.8 x 4.7
744302015 0.2 30.0 32.0 0.24 6.95 x 6.8 x 4.7
744303012 0.1 31.0 55.0 0.33 10 x 6.8 x 5
744303015 0.2 31.0 42.0 0.33 10 x 6.8 x 5
744304016 0.2 26.0 32.0 0.17 11.5 x 11.8 x 4
744307012 0.1 29.0 48.0 0.33 7.4 x 7.2 x 7.2
744307016 0.2 29.0 41.0 0.33 7.4 x 7.2 x 7.2
744308015 0.2 27.0 58.0 0.37 10.1 x 7 x 7
7443081018 0.2 38.0 60.0 0.29 9.4 x 6.2 x 8.1
744310013 0.1 22.0 48.0 0.91 7 x 6.9 x 3.3
744325016 0.2 25.0 58.0 0.51 10.5 x 10.2 x 5
744355019 0.2 29.0 60.0 0.50 13 x 12.8 x 5
744355215 0.2 25.0 60.0 0.58 10.5 x 10.2 x 4.2
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Last Tweets
With the help of #OEMsecrets we show for all Selectors and products worldwide distributor inventory and prices. https://t.co/udaDPmshky
Update for the DC/DC Buck-Boost Converter Selector with additional products, fresh equivalent suggestions and more: https://t.co/C8PXhcizYQ
Meet us at the Electronica Tradeshow in Munich, appointments under info@dcdcselector.com https://t.co/1uiualLN1x
Feedback
ajax-loader.gif
Loading. Please wait.