LTC1174 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LTC1174 is a 13.50 V non-sync Buck Converter from with 0.50 A output current. The maximum 13.50 V input voltage can be regulated down into a 1.25 V to 13.00 V output voltage.

It requires are a typical inductor size of 100.00 µH, a typical external component count of 8 and achieves a peak efficiency of 94 %. Further LTC1174 characteristics are a fixed 200 kHz switching frequency and 2 available package option(s): SO-8 PDIP-8 .

For the LTC1174 replacement search, please 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. 4.00 V
V-IN max. 13.50 V
I-OUT? 0.50 A
V-OUT min. 1.25 V
V-OUT max. 13.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 200 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 600 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 100.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 94 %
Component count min. 8
current limit adjustable yes
Nr.of packages 2
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC SO-8
SOP
DIP PDIP-8
TO
DDPAK

LTC1174 Datasheet

Link to the most up-to-date LTC1174 datasheet and the product page for EVM, tools and support information.

LTC1174

LTC1174 Sample stock and distributor price breaks

LTC1174 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LTC1174 stock available

Available Distributors with stock: 0

no online Distributor with LTC1174 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC1174. Optional, compare LTC1174 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AS1341 AS1341 product overviewAS1341 product overview AMS DFN-8
0% AS7620A AS7620A product overviewAS7620A product overview AMS MLPQ-12
0% LTC1174HV LTC1174HV product overviewLTC1174HV product overview Linear Technology PDIP-8, SO-8
0% MAX1534 MAX1534 product overviewMAX1534 product overview Maxim TQFN-16
0% MAX1684 MAX1684 product overviewMAX1684 product overview Maxim QSOP-16
0% MAX1685 MAX1685 product overviewMAX1685 product overview Maxim QSOP-16
0% MAX1776 MAX1776 product overviewMAX1776 product overview Maxim u00b5MAX-8
25% MAX887 MAX887 product overviewMAX887 product overview Maxim SO-8
50% MAX1672 MAX1672 product overviewMAX1672 product overview Maxim QSOP-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC1174.

V-IN max. 13.5 V, I-OUT 0.5 A, V-OUT min. 1.25 V, Frequency typ. 200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404041330 33.0 0.7 0.6 628.00 4 x 4 x 1.2
74404042330 33.0 0.7 0.9 460.00 4 x 4 x 1.8
74404052330 33.0 1.0 1.1 387.00 5 x 5 x 2
744043270 27.0 0.9 0.6 170.00 4.8 x 4.8 x 3
744052270 27.0 0.8 0.8 250.00 5.8 x 5.8 x 2
744053270 27.0 1.1 0.8 135.00 5.8 x 5.8 x 3
744053330 33.0 0.9 0.8 180.00 5.8 x 5.8 x 3
744062330 33.0 0.9 0.8 150.00 6.8 x 6.8 x 2.5
74408942330 33.0 0.8 1.1 424.00 4.8 x 4.8 x 3.1
74408943330 33.0 0.9 1.2 259.00 4.8 x 4.8 x 4.1
744773127 27.0 0.9 1.0 328.00 4 x 4.5 x 3.5
744773133 33.0 0.9 0.9 370.00 4 x 4.5 x 3.5
744773139 39.0 0.8 0.9 418.00 4 x 4.5 x 3.5
744778133 33.0 1.2 1.2 153.00 7.3 x 7.3 x 3.4
744778139 39.0 1.0 1.1 214.00 7.3 x 7.3 x 3.4
7447789133 33.0 1.2 1.2 153.00 7.3 x 7.3 x 3.5
7447789139 39.0 1.0 1.1 209.00 7.3 x 7.3 x 3.5
784773127 27.0 0.9 1.0 328.00 4 x 4.5 x 3.5
784773133 33.0 0.9 0.9 370.00 4 x 4.5 x 3.5
784773139 39.0 0.8 0.9 418.00 4 x 4.5 x 3.5
784774133 33.0 1.1 1.2 150.00 5.2 x 5.8 x 4.85
784774139 39.0 0.9 1.1 215.00 5.2 x 5.8 x 4.85
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Feedback
ajax-loader.gif
Loading. Please wait.