LT1317 Boost Converter Overview

Description

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Category
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LT1317 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 LT1317 is available in 2 package option(s): MSOP-8 SO-8 .

For LT1317 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. 160 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 yes
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

LT1317 Datasheet

Link to the most up-to-date LT1317 datasheet and the product page for EVM, tools and support information.

LT1317

LT1317 Price breaks and distributor sample stock

LT1317 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LT1317 stock available

Available Distributors with stock: 0

no online Distributor with LT1317 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LT1317. Optional, compare LT1317 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
25% LT1307 LT1307 product overviewLT1307 product overview Linear Technology MSOP-8, SO-8, PDIP-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1317.

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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