LTC1872 Boost Controller overview

Description

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A 2.50 V - 9.80 Vin, non-sync Boost Controller which can boost up to 36.00 V. LTC1872 features 1 channel , drives 1 phase(s) and has fixed 550 kHz switching frequency.

Additional characteristics are a typical inductor size of 4.7 uH, a peak efficiency of 90 % and 1 package option(s): SOT23-6 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.50 V
V-IN max. 9.80 V
V-OUT min. 2.50 V
V-OUT max. 36.00 V
V-OUT adj./fixed adjustable
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 550 kHz
Frequency adj. fixed
Frequency min.
Frequency max.
ext.clock sync. no
ext.clock sync min.
ext.clock sync max.
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Sense Resistor Rsense
Enable no
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ.
Inductor size typ. 4.7 uH
Military no
Automotive AEC-Q100 no
Light-Load-Mode yes
Peak Efficiency 90 %
component count min. 9
Single/ Multiphase single
Nr. of Phases 1
Inductor suggested by Würth Elektronik
Nr.of packages options 1
CSP
SOT SOT23-6
MSOP
QFN/DFN
SO/SOIC
SOP
DIP

LTC1872 Datasheet

Link to the most up-to-date LTC1872 datasheet and the product page for EVM, tools and support information.

LTC1872

LTC1872 inventory, samples and price

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Alternatives and equivalents IC

The following DC/DC Boost Controller are similar to LTC1872. Compare LTC1872 side-by-side with other Boost Controller via the comparison function.

Variation Compare Product Manufacturer Package
0% LT1619 LT1619 product overviewLT1619 product overview Linear Technology MSOP-8, SO-8
0% LT3724 LT3724 product overviewLT3724 product overview Linear Technology TSSOP-16E
0% LTC3872 LTC3872 product overviewLTC3872 product overview Linear Technology DFN-8, SOT23-8
0% LTC3873 LTC3873 product overviewLTC3873 product overview Linear Technology DFN-8, SOT23-8
0% LTC3873E-5 LTC3873E-5 product overviewLTC3873E-5 product overview Linear Technology DFN-8, SOT23-8
0% LTC3873I-5 LTC3873I-5 product overviewLTC3873I-5 product overview Linear Technology DFN-8, SOT23-8
0% MIC2186 MIC2186 product overviewMIC2186 product overview Micrel SOIC-16, QSOP-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC1872.

V-IN min. 2.5 V, V-OUT max. 36 V, Frequency typ. 550 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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