LT1317B Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

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
findchips.com

Available Distributors with stock: 7

ARROW-NAC (2)

ProductStockPriceBuy
LT1317BIS8#PBF27
13.30 USD
1003.00 USD
Buy Now
LT1317BIS8#PBF586
13.30 USD
1003.00 USD
Buy Now

Chip-One-Stop (2)

ProductStockPriceBuy
LT1317BIS8#PBF609
15.36 USD
104.51 USD
254.45 USD
504.25 USD
1004.15 USD
2003.96 USD
Buy Now
LT1317BIS8#PBF609
15.36 USD
104.51 USD
254.45 USD
504.25 USD
1004.15 USD
2003.96 USD
Buy Now

DIGI-KEY (5)

ProductStockPriceBuy
LT1317BCMS8#PBF413
14.90 USD
253.25 USD
1002.55 USD
Buy Now
LT1317BIS8#PBF457
15.65 USD
253.75 USD
1003.00 USD
Buy Now
LT1317BCS8#PBF566
14.40 USD
252.92 USD
1002.30 USD
Buy Now
DC194A-B2
1100.50 USD
Buy Now
LT1317BCS8#TRPBF0
25002.40 USD
Buy Now
LT1317BCMS8#TRPBF0
25002.65 USD
Buy Now
LT1317BIS8#TRPBF0
25003.10 USD
Buy Now
LT1317BCS89
18.79 USD
Buy Now

Element14 (2)

ProductStockPriceBuy
LT1317BCS8#PBF84
17.03 USD
254.67 USD
1003.68 USD
Buy Now
LT1317BIS8#PBF71
19.03 USD
256.00 USD
1004.80 USD
Buy Now

FARNELL-ELEMENT14 (2)

ProductStockPriceBuy
LT1317BCS8#PBF84Buy Now
LT1317BIS8#PBF84Buy Now

NEWARK (1)

ProductStockPriceBuy
LT1317BCS8#PBF0
14.37 USD
252.90 USD
1002.30 USD
Buy Now
LT1317BIS8#PBF3
13.12 USD
Buy Now

RS-COMPONENTS (1)

ProductStockPriceBuy
LT1317BCMS8#PBF60Buy Now

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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