LTC3429 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LTC3429 is a 4.30 V, 0.85 A switch current limit sync Boost Converter from . The input voltage from 0.50 V to 4.40 V  can be boosted into an output voltage ranging from 2.50 V to 4.30 V.

Features of the Boost Converter are fixed 500 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 5 and LTC3429 is available in 1 package option(s): TSOT23-6 .

For LTC3429 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. 4.40 V
Current-Limit typ.? 0.85 A
V-OUT min. 2.50 V
V-OUT max. 4.30 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 500 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. 550 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 96 %
Component count min. 5
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT TSOT23-6
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3429 Datasheet

Link to the most up-to-date LTC3429 datasheet and the product page for EVM, tools and support information.

LTC3429

LTC3429 Price breaks and distributor sample stock

LTC3429 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 7

Chip One Stop (3)

ProductStockPriceBuy
LTC3429BES6#TRMPBF335
14.21 USD
1003.36 USD
Buy Now
LTC3429ES6#TRMPBF3500
5003.04 USD
Buy Now
LTC3429ES6#TRMPBF499
14.21 USD
1003.36 USD
Buy Now

Conrad (1)

ProductStockPriceBuy
LTC3429ES6#TRMPBF16Buy Now

Digi-Key (8)

ProductStockPriceBuy
LTC3429ES6#TRMPBF2500
5002.13 USD
Buy Now
LTC3429ES6#TRMPBF2874
14.59 USD
254.10 USD
1002.56 USD
2502.34 USD
Buy Now
LTC3429ES6#TRMPBF2874
14.59 USD
254.10 USD
1002.56 USD
2502.34 USD
Buy Now
LTC3429BES6#TRMPBF1500
5002.13 USD
Buy Now
LTC3429BES6#TRMPBF1996
14.59 USD
254.10 USD
1002.56 USD
2502.34 USD
Buy Now
LTC3429BES6#TRMPBF1996
14.59 USD
254.10 USD
1002.56 USD
2502.34 USD
Buy Now
DC559A-A5
1100.50 USD
Buy Now
DC559A-B2
1100.50 USD
Buy Now
LTC3429ES6#TRPBF0
25002.13 USD
Buy Now
LTC3429BES6#TRPBF0
25002.13 USD
Buy Now

Element14 (2)

ProductStockPriceBuy
LTC3429ES6#TRMPBF25
17.08 USD
256.32 USD
1003.94 USD
2503.62 USD
Buy Now
LTC3429ES6#TRMPBF25
17.08 USD
256.32 USD
1003.94 USD
2503.62 USD
Buy Now

Farnell Element14 (2)

ProductStockPriceBuy
LTC3429ES6#TRMPBF25Buy Now
LTC3429ES6#TRMPBF25Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LTC3429BES6#TRMPBF0
12.99 USD
5002.13 USD
Buy Now
LTC3429ES6#PBF42
12.13 USD
252.13 USD
502.13 USD
Buy Now

RS Components (4)

ProductStockPriceBuy
LTC3429BES6#TRMPBF4Buy Now
LTC3429BES6#TRMPBF1011Buy Now
LTC3429ES6#TRMPBF32Buy Now
LTC3429ES6#TRMPBF385Buy Now

Available Distributors with stock: 8

Arrow Electronics

ProductStockPriceBuy
LTC3429ES6#TRMPBF 3500
5002.13 $
Buy Now
LTC3429ES6#TRMPBF 499
12.38 $
1002.13 $
Buy Now
LTC3429BES6#TRMPBF 335
12.38 $
1002.13 $
Buy Now
LTC3429BES6#TRMPBF 0
10002.13 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3429ES6#TRMPBF 2874
2501.99 €
1002.17 €
253.47 €
13.89 €
Buy Now
LTC3429ES6#TRMPBF 2874
2501.99 €
1002.17 €
253.47 €
13.89 €
Buy Now
LTC3429ES6#TRMPBF 2500
5001.81 €
Buy Now
LTC3429BES6#TRMPBF 1996
2501.99 €
1002.17 €
253.47 €
13.89 €
Buy Now
LTC3429BES6#TRMPBF 1996
2501.99 €
1002.17 €
253.47 €
13.89 €
Buy Now
LTC3429BES6#TRMPBF 1500
5001.81 €
Buy Now
DC559A-A 5
185.27 €
Buy Now
DC559A-B 2
185.27 €
Buy Now
LTC3429ES6#TRPBF 0
25001.81 €
Buy Now
LTC3429BES6#TRPBF 0
25001.81 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LTC3429BES6#TRMPBF 0
12.99 $
5002.00 $
Buy Now
LTC3429ES6#PBF 42
12.13 $
252.13 $
502.00 $
Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LTC3429BES6#TRMPBF 20 Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LTC3429ES6#TRMPBF 25
15.66 $
255.06 $
1003.15 $
2502.89 $
Buy Now
LTC3429ES6#TRMPBF 25
15.66 $
255.06 $
1003.15 $
2502.89 $
Buy Now

Farnell element14

ProductStockPriceBuy
LTC3429ES6#TRMPBF 25
13.95 GBP
253.16 GBP
1001.74 GBP
Buy Now

Chip1Stop

ProductStockPriceBuy
LTC3429BES6#TRMPBF 335
14.21 $
1003.36 $
Buy Now
LTC3429ES6#TRMPBF 499
14.21 $
1003.36 $
Buy Now
LTC3429ES6#TRMPBF 3500
5003.04 $
Buy Now

RS Components

ProductStockPriceBuy
LTC3429BES6#TRMPBF 4
13.30 GBP
53.09 GBP
252.89 GBP
1252.69 GBP
2502.49 GBP
Buy Now
LTC3429BES6#TRMPBF 1011
53.09 GBP
252.89 GBP
1252.69 GBP
2502.49 GBP
Buy Now
LTC3429ES6#TRMPBF 32
12.49 GBP
102.18 GBP
201.93 GBP
Buy Now
LTC3429ES6#TRMPBF 385
102.18 GBP
201.93 GBP
Buy Now

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LTC3429. Optional, compare LTC3429 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% TPS61200 TPS61200 product overviewTPS61200 product overview Texas Instruments QFN-10
10% ISL9111A ISL9111A product overviewISL9111A product overview Intersil SOT23-6
25% LTC3527-1 LTC3527-1 product overviewLTC3527-1 product overview Linear Technology QFN-16
25% LTC3535 LTC3535 product overviewLTC3535 product overview Linear Technology DFN-12
25% LTC3537 LTC3537 product overviewLTC3537 product overview Linear Technology QFN-16
25% MCP1640 MCP1640 product overviewMCP1640 product overview Microchip SOT23-6, DFN-8
50% LTC3527 LTC3527 product overviewLTC3527 product overview Linear Technology QFN-16
50% MP3418 MP3418 product overviewMP3418 product overview MPS TSOT23-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3429.

V-IN min. 0.5 V, Current-Limit typ. 0.85 A, V-OUT max. 4.3 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744304022 0.2 26.0 23.0 0.17 11.5 x 11.8 x 4
744306030 0.3 26.0 24.0 0.30 10.5 x 10.3 x 5.5
744316033 0.3 18.5 20.0 1.75 5.5 x 5.3 x 4.3
744373240022 0.2 9.5 17.0 6.60 4.45 x 4.06 x 2
744373240033 0.3 8.0 16.5 7.80 4.45 x 4.06 x 2
744373340033 0.3 8.2 24.0 6.30 5.7 x 5.2 x 2
744373360033 0.3 9.6 22.0 4.30 5.7 x 5.2 x 3
744383560033 0.3 9.6 12.4 6.00 4.1 x 4.1 x 2.1
7447798022 0.2 19.0 20.0 1.60 10.2 x 10.2 x 6.4
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