LTC1871-1 Boost Controller overview

Description

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A 2.50 V - 36.00 Vin, non-sync Boost Controller which can boost up to 72.00 V. LTC1871-1 features 1 channel , drives 1 phase(s) and has adjustable 1000 kHz switching frequency.

Additional characteristics are a typical inductor size of 1.0 uH, a peak efficiency of 92 % and 1 package option(s): MSOP-10 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.50 V
V-IN max. 36.00 V
V-OUT min. 2.50 V
V-OUT max. 72.00 V
V-OUT adj./fixed adjustable
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 1000 kHz
Frequency adj. adjustable
Frequency min. 50 kHz
Frequency max. 1000 kHz
ext.clock sync. yes
ext.clock sync min. 65 kHz
ext.clock sync max. 1300 kHz
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Sense Resistor no
Enable no
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 1.0 uH
Military no
Automotive AEC-Q100 no
Light-Load-Mode yes
Peak Efficiency 92 %
component count min. 12
Single/ Multiphase single
Nr. of Phases 1
Inductor suggested by Würth Elektronik
Nr.of packages options 1
CSP
SOT
MSOP MSOP-10
QFN/DFN
SO/SOIC
SOP
DIP

LTC1871-1 Datasheet

Link to the most up-to-date LTC1871-1 datasheet and the product page for EVM, tools and support information.

LTC1871-1

LTC1871-1 inventory, samples and price

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Alternatives and equivalents IC

The following DC/DC Boost Controller are similar to LTC1871-1. Compare LTC1871-1 side-by-side with other Boost Controller via the comparison function.

Variation Compare Product Manufacturer Package
0% LT3844 LT3844 product overviewLT3844 product overview Linear Technology TSSOP-16E
0% LTC1871 LTC1871 product overviewLTC1871 product overview Linear Technology MSOP-10
0% LTC1871-7 LTC1871-7 product overviewLTC1871-7 product overview Linear Technology MSOP-10
0% LM3478 LM3478 product overviewLM3478 product overview Texas Instruments SOIC-8, VSSOP-8
0% LM3478MA LM3478MA product overviewLM3478MA product overview Texas Instruments VSSOP-8
0% LM3478Q-Q1 LM3478Q-Q1 product overviewLM3478Q-Q1 product overview Texas Instruments VSSOP-8
0% LM3481 LM3481 product overviewLM3481 product overview Texas Instruments VSSOP-10
0% LM3481-Q1 LM3481-Q1 product overviewLM3481-Q1 product overview Texas Instruments VSSOP-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC1871-1.

V-IN min. 2.5 V, V-OUT max. 72 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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