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: 0

no online Distributor with LT1317B stock available

Available Distributors with stock: 9

Arrow Electronics

ProductStockPriceBuy
LT1317BIS8#PBF 52
1003.00 $
Buy Now
LT1317BIS8#PBF 2
1002.07 $
252.22 $
13.64 $
Buy Now
LT1317BCMS8#PBF 0
1002.55 $
Buy Now
LT1317BCMS8#TRPBF 0
1002.65 $
Buy Now
LT1317BCS8#PBF 0
1002.30 $
Buy Now
LT1317BIS8#TRPBF 0
1003.10 $
Buy Now
LT1317BCS8#TRPBF 0
1002.40 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT1317BCS8#PBF 400
5002.48 €
2502.54 €
1002.67 €
253.23 €
14.87 €
Buy Now
LT1317BIS8#PBF 279
5003.08 €
2503.15 €
1003.32 €
254.01 €
16.04 €
Buy Now
LT1317BCMS8#PBF 34
5002.70 €
2502.76 €
1002.91 €
253.52 €
15.29 €
Buy Now
LT1317BCS8 9
17.96 €
Buy Now
DC194A-B 2
189.12 €
Buy Now
LT1317BCS8#TRPBF 0
25002.54 €
Buy Now
LT1317BCMS8#TRPBF 0
25002.76 €
Buy Now
LT1317BIS8#TRPBF 0
25003.15 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LT1317BCS8#PBF 195
2502.82 $
1002.87 $
253.47 $
45.23 $
Buy Now
LT1317BIS8#PBF 52
23.23 $
Buy Now
LT1317BIS8#PBF 2
23.92 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT1317BIS8#PBF 189
16.77 $
254.49 $
1003.71 $
2503.53 $
5003.45 $
10003.32 $
Buy Now
LT1317BCS8#PBF 121
15.45 $
253.61 $
1002.99 $
2502.84 $
5002.77 $
10002.67 $
Buy Now
LT1317BCMS8#PBF 163
15.93 $
253.94 $
1003.25 $
2503.09 $
5003.02 $
10002.90 $
Buy Now
LT1317BCS8#TRPBF 0
25002.73 $
Buy Now
LT1317BCMS8#TRPBF 0
25002.97 $
Buy Now
LT1317BIS8#TRPBF 0
25003.39 $
Buy Now
LT1317BCMS8 0 Buy Now
LT1317BIS8 0 Buy Now
LT1317BCS8 0 Buy Now
LT1317BCS8#TR 0 Buy Now
LT1317BIS8#TR 0 Buy Now
LT1317BCMS8#TR 0 Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1317BCMS8 1130 Buy Now
LT1317BIS8 50 Buy Now
LT1317BCS8 1453 Buy Now

Quest Components

ProductStockPriceBuy
LT1317BCMS8 500
2182.12 $
762.30 $
15.31 $
Buy Now
LT1317BIS8 10
73.38 $
24.50 $
16.75 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT1317BIS8 98
LT1317BCS8 7721
LT1317BCMS8PBF 458

Chip 1 Exchange

ProductStockPriceBuy
LT1317BCMS8#TR 7453

RS Components

ProductStockPriceBuy
LT1317BCMS8#PBF 104
263.61 GBP
Buy Now

Available Distributors without stock: 2

element14 Asia-Pacific

ProductStockPriceBuy
LT1317BCS8#PBF 0
1003.98 SGD
254.43 SGD
16.65 SGD
Buy Now
LT1317BIS8#PBF 0
14.66 SGD
Buy Now

Richardson RFPD

ProductStockPriceBuy
LT1317BCMS8#TRPBF 0
25003.19 $
50003.07 $
Buy Now
LT1317BCS8#PBF 0
2003.03 $
5002.95 $
10002.88 $
50002.76 $
Buy Now
LT1317BCS8#TRPBF 0
25002.94 $
50002.83 $
Buy Now
LT1317BCMS8#PBF 0
2503.30 $
5003.21 $
10003.13 $
50003.01 $
Buy Now
LT1317BIS8#TRPBF 0
25003.65 $
50003.51 $
Buy Now
LT1317BIS8#PBF 0
2003.76 $
5003.66 $
10003.57 $
50003.44 $
Buy Now

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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