LTC1875 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LTC1875 is a 6.00 V sync Buck Converter from with 1.50 A output current. The maximum 6.00 V input voltage can be regulated down into a 0.80 V to 6.00 V output voltage.

It requires are a typical inductor size of 6.80 µH, a typical external component count of 8 and achieves a peak efficiency of 95 %. Further LTC1875 characteristics are a fixed 550 kHz switching frequency and 1 available package option(s): TSSOP-16 .

For the LTC1875 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. 2.65 V
V-IN max. 6.00 V
I-OUT? 1.50 A
V-OUT min. 0.80 V
V-OUT max. 6.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 550 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 350 kHz
Frequency adj./ ext.clock max 750 kHz
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK yes
Quiescent current max. 365 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 6.80 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 8
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP TSSOP-16
DIP
TO
DDPAK

LTC1875 Datasheet

Link to the most up-to-date LTC1875 datasheet and the product page for EVM, tools and support information.

LTC1875

LTC1875 Sample stock and distributor price breaks

LTC1875 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 3

ARROW-NAC (1)

ProductStockPriceBuy
LTC1875EGN#PBF363
14.14 USD
1003.57 USD
Buy Now

Chip-One-Stop (1)

ProductStockPriceBuy
LTC1875EGN#PBF259
16.84 USD
105.75 USD
255.69 USD
505.43 USD
1005.29 USD
2005.05 USD
Buy Now

DIGI-KEY (2)

ProductStockPriceBuy
LTC1875EGN#PBF402
17.04 USD
254.67 USD
1003.57 USD
Buy Now
DC432B2
1100.50 USD
Buy Now
LTC1875EGN#TRPBF0
25003.67 USD
Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LTC1875EGN#PBF0
17.00 USD
254.68 USD
1003.57 USD
Buy Now
LTC1875EGN#TRPBF0
16.01 USD
25004.31 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC1875 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC1875. Optional, compare LTC1875 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% MP2209 MP2209 product overviewMP2209 product overview MPS QFN-14
0% MP28253 MP28253 product overviewMP28253 product overview MPS QFN-14
10% MIC23156 MIC23156 product overviewMIC23156 product overview Micrel MLF-17, WLCSP-16
25% LTC1879 LTC1879 product overviewLTC1879 product overview Linear Technology TSSOP-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC1875.

V-IN max. 6 V, I-OUT 1.5 A, V-OUT min. 0.8 V, Frequency typ. 550 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025002 2.2 1.8 2.4 57.00 2.8 x 2.8 x 3
744025003 3.3 1.5 1.8 85.00 2.8 x 2.8 x 3
74404024022 2.2 1.8 2.0 80.00 2.5 x 2 x 1.2
74404041033 3.3 1.8 2.1 69.00 4 x 4 x 1.2
74404042022 2.2 2.2 3.4 42.00 4 x 4 x 1.8
74404042033 3.3 2.0 2.9 55.00 4 x 4 x 1.8
74404052022 2.2 3.0 3.6 31.60 5 x 5 x 2
74404052033 3.3 2.6 3.0 42.20 5 x 5 x 2
7440420027 2.7 2.0 2.2 47.00 4.8 x 4.8 x 2
744042003 3.3 2.0 1.8 50.00 4.8 x 4.8 x 2
7440430022 2.2 2.5 2.4 27.00 4.8 x 4.8 x 3
7440430027 2.7 2.4 2.0 25.00 4.8 x 4.8 x 3
744043003 3.3 2.2 1.8 30.00 4.8 x 4.8 x 3
744045002 2.2 1.6 2.8 88.00 4.5 x 3.2 x 2.9
7440450027 2.7 1.5 2.7 96.00 4.5 x 3.2 x 2.9
744052002 2.5 2.4 2.7 20.00 5.8 x 5.8 x 2
744052003 3.0 2.2 2.4 40.00 5.8 x 5.8 x 2
744053002 2.6 3.0 2.7 20.00 5.8 x 5.8 x 3
744053003 3.0 2.8 2.5 20.00 5.8 x 5.8 x 3
744062002 2.2 3.4 2.7 10.00 6.8 x 6.8 x 2.5
744062003 3.3 2.8 2.5 20.00 6.8 x 6.8 x 2.5
7440680027 2.7 2.2 1.9 52.00 8 x 8 x 1.2
7440680033 3.3 2.0 1.8 61.00 8 x 8 x 1.2
7440690022 2.2 2.8 2.9 35.00 8 x 8 x 1.5
7440690033 3.3 2.6 2.3 42.00 8 x 8 x 1.5
7440700022 2.2 4.6 3.2 17.00 8 x 8 x 2
7440700033 3.3 3.2 2.6 30.00 8 x 8 x 2
74408941022 2.2 2.1 3.6 66.08 4.8 x 4.8 x 2.1
74408941029 2.9 1.6 3.0 101.00 4.8 x 4.8 x 2.1
74408941035 3.5 1.5 2.8 113.00 4.8 x 4.8 x 2.1
74408942033 3.3 2.1 3.5 48.30 4.8 x 4.8 x 3.1
74408943033 3.3 2.6 3.6 31.00 4.8 x 4.8 x 4.1
74438324022 2.2 1.6 2.9 123.00 2.5 x 2 x 1.2
74438335022 2.2 1.8 3.5 94.00 3 x 3 x 1.5
74438335033 3.3 1.7 3.2 114.00 3 x 3 x 1.5
744773022 2.2 2.5 3.4 34.00 4 x 4.5 x 3.5
744773027 2.7 2.3 3.0 39.00 4 x 4.5 x 3.5
744773033 3.3 2.0 2.9 41.00 4 x 4.5 x 3.5
7447785002 2.2 2.9 3.3 43.00 5.9 x 6.2 x 3.3
7447785003 3.3 2.8 3.0 43.00 5.9 x 6.2 x 3.3
74479276222C 2.2 1.6 2.5 112.00 2 x 1.25 x 1
74479287222 2.2 1.5 2.5 132.00 2.5 x 2 x 1
74479288222 2.2 1.7 2.8 90.00 2.5 x 2 x 1.2
74479298222 2.2 1.8 3.5 96.00 3.2 x 2.5 x 1
74479299222 2.2 2.1 3.5 85.00 3.2 x 2.5 x 1.2
78438335022 2.2 1.8 3.5 94.00 3 x 3 x 1.5
78438335033 3.3 1.7 3.2 114.00 3 x 3 x 1.5
784773022 2.2 2.5 3.4 34.00 4 x 4.5 x 3.5
784773033 3.3 2.0 2.9 41.00 4 x 4.5 x 3.5
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