LT1317B Boost Converter Overview

Description

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Category
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LT1317B is a 30.00 V, 0.80 A switch current limit non-sync Boost Converter from . The input voltage from 1.50 V to 12.00 V  can be boosted into an output voltage ranging from 2.00 V to 30.00 V.

Features of the Boost Converter are fixed 620 kHz switching frequency, a typical inductor size of 10.0 µH and it offers a peak efficiency of  up to 85 %. The minimum external component count is 8 and LT1317B is available in 2 package option(s): MSOP-8 SO-8 .

For LT1317B 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. 1.50 V
V-IN max. 12.00 V
Current-Limit typ.? 0.80 A
V-OUT min. 2.00 V
V-OUT max. 30.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 620 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
LBI/LBO yes
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 7500 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 10.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 85 %
Component count min. 8
current limit adjustable no
Nr.of package options 2
CSP
SC70
SOT
MSOP MSOP-8
QFN/DFN
SO/SOIC SO-8
SOP
DIP
TO
DDPAK

LT1317B Datasheet

Link to the most up-to-date LT1317B datasheet and the product page for EVM, tools and support information.

LT1317B

LT1317B Price breaks and distributor sample stock

LT1317B prices and available online distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with LT1317B stock available

Available Distributors with stock: 0

no online Distributor with LT1317B stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LT1317B. Optional, compare LT1317B side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT1316 LT1316 product overviewLT1316 product overview Linear Technology MSOP-8, SO-8
0% LT1317 LT1317 product overviewLT1317 product overview Linear Technology MSOP-8, SO-8
10% LT1949 LT1949 product overviewLT1949 product overview Linear Technology MSOP-8, SO-8
25% LT1307 LT1307 product overviewLT1307 product overview Linear Technology MSOP-8, SO-8, PDIP-8
25% LT1307B LT1307B product overviewLT1307B product overview Linear Technology MSOP-8, SO-8, PDIP-8
50% MAX631 MAX631 product overviewMAX631 product overview Maxim Integrated SOIC-8, PDIP-8
50% MAX632 MAX632 product overviewMAX632 product overview Maxim Integrated SOIC-8, PDIP-8
50% MAX633 MAX633 product overviewMAX633 product overview Maxim Integrated SOIC-8, PDIP-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1317B.

V-IN min. 1.5 V, Current-Limit typ. 0.8 A, V-OUT max. 30 V, Frequency typ. 620 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744305033 0.3 28.0 26.0 0.16 13.5 x 13.3 x 5.2
744305040 0.4 28.0 20.0 0.16 13.5 x 13.3 x 5.2
744306025 0.3 26.0 32.0 0.30 10.5 x 10.3 x 5.5
744306030 0.3 26.0 24.0 0.30 10.5 x 10.3 x 5.5
744308033 0.3 27.0 30.0 0.37 10.1 x 7 x 7
744308040 0.4 25.0 26.0 0.37 10.1 x 7 x 7
7443081030 0.3 38.0 32.0 0.29 9.4 x 6.2 x 8.1
7443081040 0.4 38.0 21.0 0.29 9.4 x 6.2 x 8.1
744311047 0.4 19.0 25.0 1.85 7 x 6.9 x 4
744316033 0.3 18.5 20.0 1.75 5.5 x 5.3 x 4.3
744323033 0.3 18.0 36.0 2.17 10.6 x 10.6 x 3.1
744325040 0.4 24.0 37.0 0.67 10.5 x 10.2 x 5
7443340030 0.3 20.5 36.0 2.30 8.4 x 7.9 x 7.5
744355230 0.3 22.0 35.0 1.10 10.5 x 10.2 x 4.2
744373770033 0.3 24.0 35.0 0.88 13.5 x 12.6 x 3.5
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