LTC3427 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LTC3427 is a 5.25 V, 0.60 A switch current limit sync Boost Converter from . The input voltage from 1.80 V to 5.00 V  can be boosted into an output voltage ranging from 1.80 V to 5.25 V.

Features of the Boost Converter are fixed 1250 kHz switching frequency, a typical inductor size of 4.7 µH and it offers a peak efficiency of  up to 94 %. The minimum external component count is 6 and LTC3427 is available in 1 package option(s): DFN-6 .

For LTC3427 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. 1.80 V
V-IN max. 5.00 V
Current-Limit typ.? 0.60 A
V-OUT min. 1.80 V
V-OUT max. 5.25 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 1250 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. 145 °C
Inductor size typ. 4.7 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 94 %
Component count min. 6
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-6
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3427 Datasheet

Link to the most up-to-date LTC3427 datasheet and the product page for EVM, tools and support information.

LTC3427

LTC3427 Price breaks and distributor sample stock

LTC3427 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 5

ARROW-NAC (2)

ProductStockPriceBuy
LTC3427EDC#TRMPBF223
12.59 USD
1002.13 USD
Buy Now
LTC3427EDC#TRMPBF500
5002.13 USD
Buy Now

Chip-One-Stop (2)

ProductStockPriceBuy
LTC3427EDC#TRMPBF373
15.37 USD
105.16 USD
503.70 USD
1003.66 USD
2003.37 USD
Buy Now
LTC3427EDC#TRMPBF500
5002.91 USD
Buy Now

DIGI-KEY (3)

ProductStockPriceBuy
LTC3427EDC#TRMPBF1000
5002.13 USD
Buy Now
LTC3427EDC#TRMPBF1296
14.19 USD
253.74 USD
1002.56 USD
2502.34 USD
Buy Now
LTC3427EDC#TRMPBF1296
14.19 USD
253.74 USD
1002.56 USD
2502.34 USD
Buy Now
LTC3427EDC#TRPBF0
25002.13 USD
Buy Now

Element14 (2)

ProductStockPriceBuy
LTC3427EDC#TRMPBF248
16.70 USD
255.98 USD
1004.09 USD
2503.74 USD
Buy Now
LTC3427EDC#TRMPBF248
16.70 USD
255.98 USD
1004.09 USD
2503.74 USD
Buy Now

FARNELL-ELEMENT14 (2)

ProductStockPriceBuy
LTC3427EDC#TRMPBF248Buy Now
LTC3427EDC#TRMPBF248Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LTC3427EDC#PBF0
13.75 USD
252.52 USD
1002.13 USD
Buy Now
LTC3427EDC#TRMPBF0
12.99 USD
5002.13 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3427 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LTC3427. Optional, compare LTC3427 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3526 LTC3526 product overviewLTC3526 product overview Linear Technology DFN-6
0% LTC3527 LTC3527 product overviewLTC3527 product overview Linear Technology QFN-16
0% LTC3527-1 LTC3527-1 product overviewLTC3527-1 product overview Linear Technology QFN-16
0% LTC3535 LTC3535 product overviewLTC3535 product overview Linear Technology DFN-12
0% LTC3537 LTC3537 product overviewLTC3537 product overview Linear Technology QFN-16
0% MAX1706 MAX1706 product overviewMAX1706 product overview Maxim Integrated QSOP-16
0% MAX848 MAX848 product overviewMAX848 product overview Maxim Integrated SO-16
0% MCP1640 MCP1640 product overviewMCP1640 product overview Microchip SOT23-6, DFN-8
0% TPS61028 TPS61028 product overviewTPS61028 product overview Texas Instruments QFN-10
0% TPS61070 TPS61070 product overviewTPS61070 product overview Texas Instruments SOT23-6
0% TPS61071 TPS61071 product overviewTPS61071 product overview Texas Instruments SOT23-6
0% TPS61072 TPS61072 product overviewTPS61072 product overview Texas Instruments SOT23-6
0% MCP16251 MCP16251 product overviewMCP16251 product overview Microchip SOT23-6, TDFN
0% MCP16252 MCP16252 product overviewMCP16252 product overview Microchip SOT23-6, TDFN
0% TPS61071-Q1 TPS61071-Q1 product overviewTPS61071-Q1 product overview Texas Instruments SOT23-6
10% AS1337 AS1337 product overviewAS1337 product overview AMS TDFN-8
10% LTC3499 LTC3499 product overviewLTC3499 product overview Linear Technology MSOP-8, DFN-8
10% TPS61046 TPS61046 product overviewTPS61046 product overview Texas Instruments WCSP-6
25% LTC3429 LTC3429 product overviewLTC3429 product overview Linear Technology TSOT23-6
25% MP3418 MP3418 product overviewMP3418 product overview MPS TSOT23-8
25% TPS61073 TPS61073 product overviewTPS61073 product overview Texas Instruments SOT23-6
25% SY8641 SY8641 product overviewSY8641 product overview Silergy QFN-16
50% LT3461 LT3461 product overviewLT3461 product overview Linear Technology SOT23-6
50% LT3461A LT3461A product overviewLT3461A product overview Linear Technology SOT23-6
50% MCP1623 MCP1623 product overviewMCP1623 product overview Microchip SOT23-6, DFN-8
50% MCP1624 MCP1624 product overviewMCP1624 product overview Microchip SOT23-6, DFN-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3427.

V-IN min. 1.8 V, Current-Limit typ. 0.6 A, V-OUT max. 5.25 V, Frequency typ. 1250 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025001 1.2 2.6 3.0 36.00 2.8 x 2.8 x 3
74404024010 1.0 2.2 2.6 37.00 2.5 x 2 x 1.2
74404024015 1.5 1.9 2.4 65.00 2.5 x 2 x 1.2
74404032010 1.0 2.2 3.0 33.00 3 x 3 x 1.5
74404032015 1.5 2.0 2.3 40.00 3 x 3 x 1.5
74404041010 1.0 2.5 3.4 41.00 4 x 4 x 1.2
744042001 1.0 2.7 2.6 20.00 4.8 x 4.8 x 2
7440430012 1.2 3.1 2.8 15.00 4.8 x 4.8 x 3
7440520012 1.2 3.0 3.5 20.00 5.8 x 5.8 x 2
7440620015 1.5 4.3 4.0 10.00 6.8 x 6.8 x 2.5
7440680010 1.0 2.8 3.3 32.00 8 x 8 x 1.2
7440680017 1.7 2.5 2.4 41.00 8 x 8 x 1.2
7440690010 1.0 3.6 3.8 21.00 8 x 8 x 1.5
7440690016 1.6 3.1 3.3 29.00 8 x 8 x 1.5
74437321015 1.5 3.0 4.0 55.00 4.45 x 4.06 x 1.2
74438323010 1.0 2.5 4.0 63.00 2.5 x 2 x 1
74438323012 1.2 1.9 3.8 82.00 2.5 x 2 x 1
74438324015 1.5 2.2 3.7 82.00 2.5 x 2 x 1.2
74479276210 1.0 2.0 2.5 65.00 2 x 1.6 x 1
74479276210C 1.0 2.1 3.1 53.00 2 x 1.25 x 1
74479287210 1.0 2.4 4.0 55.00 2.5 x 2 x 1
74479298210 1.0 2.5 4.0 45.00 3.2 x 2.5 x 1
74479889210 1.0 2.0 2.0 85.00 2.5 x 2 x 1.2
74479899210 1.0 2.3 2.5 50.00 3.2 x 2.6 x 1.2
78438323010 1.0 2.5 4.0 63.00 2.5 x 2 x 1
78438323012 1.2 1.9 3.8 82.00 2.5 x 2 x 1
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