LTC1879 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LTC1879 is a 10.00 V sync Buck Converter from with 1.20 A output current. The maximum 10.00 V input voltage can be regulated down into a 0.80 V to 10.00 V output voltage.

It requires are a typical inductor size of 6.20 µH, a typical external component count of 8 and achieves a peak efficiency of 95 %. Further LTC1879 characteristics are a fixed 550 kHz switching frequency and 1 available package option(s): TSSOP-16 .

For the LTC1879 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. 10.00 V
I-OUT? 1.20 A
V-OUT min. 0.80 V
V-OUT max. 10.00 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. 6.20 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

LTC1879 Datasheet

Link to the most up-to-date LTC1879 datasheet and the product page for EVM, tools and support information.

LTC1879

LTC1879 Sample stock and distributor price breaks

LTC1879 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 8

ARROW-NAC (4)

ProductStockPriceBuy
LTC1879EGN1506
145.63 USD
1018.04 USD
509.79 USD
1005.19 USD
5004.65 USD
10004.51 USD
25004.39 USD
50004.32 USD
100004.27 USD
250004.10 USD
Buy Now
LTC1879EGN#TRPBF1565
13.72 USD
Buy Now
LTC1879EGN#TR2500
25006.52 USD
Buy Now
LTC1879EGN#PBF1036
14.26 USD
1003.67 USD
Buy Now

Chip-One-Stop (1)

ProductStockPriceBuy
LTC1879EGN#PBF171
16.74 USD
105.67 USD
255.60 USD
505.35 USD
1005.22 USD
Buy Now

DIGI-KEY (2)

ProductStockPriceBuy
LTC1879EGN#PBF852
17.24 USD
254.80 USD
1003.67 USD
Buy Now
DC432A2
175.38 USD
Buy Now
LTC1879EGN#TRPBF0
25003.77 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LTC1879EGN#PBF115
111.57 USD
257.67 USD
1005.94 USD
Buy Now

FARNELL-ELEMENT14 (1)

ProductStockPriceBuy
LTC1879EGN#PBF115Buy Now

NEWARK (1)

ProductStockPriceBuy
LTC1879EGN#PBF5
13.82 USD
Buy Now
LTC1879EGN#TRPBF0
16.18 USD
25004.43 USD
Buy Now

RS-COMPONENTS (1)

ProductStockPriceBuy
LTC1879EGN#PBF151Buy Now

TME (1)

ProductStockPriceBuy
LTC1879EGN#PBF12Buy Now

Available Distributors with stock: 0

no online Distributor with LTC1879 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC1879. Optional, compare LTC1879 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

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC1879.

V-IN max. 10 V, I-OUT 1.2 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)
744025003 3.3 1.5 1.8 85.00 2.8 x 2.8 x 3
744025004 4.7 1.4 1.7 100.00 2.8 x 2.8 x 3
74404032033 3.3 1.5 1.5 70.00 3 x 3 x 1.5
74404041033 3.3 1.8 2.1 69.00 4 x 4 x 1.2
74404041047 4.7 1.6 1.9 91.00 4 x 4 x 1.2
74404042033 3.3 2.0 2.9 55.00 4 x 4 x 1.8
74404042047 4.7 1.7 2.2 70.00 4 x 4 x 1.8
74404052033 3.3 2.6 3.0 42.20 5 x 5 x 2
74404052039 3.9 2.4 2.8 50.50 5 x 5 x 2
74404052047 4.7 2.3 2.7 55.90 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
7440420039 3.9 1.8 1.7 60.00 4.8 x 4.8 x 2
744042004 4.7 1.7 1.7 70.00 4.8 x 4.8 x 2
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
7440430039 3.9 1.7 1.7 50.00 4.8 x 4.8 x 3
744043004 4.7 1.6 1.7 50.00 4.8 x 4.8 x 3
7440450027 2.7 1.5 2.7 96.00 4.5 x 3.2 x 2.9
744045003 3.3 1.4 2.7 104.00 4.5 x 3.2 x 2.9
7440450039 3.9 1.3 2.5 112.00 4.5 x 3.2 x 2.9
744045004 4.7 1.2 2.0 120.00 4.5 x 3.2 x 2.9
744052003 3.0 2.2 2.4 40.00 5.8 x 5.8 x 2
7440520039 3.9 2.0 2.1 50.00 5.8 x 5.8 x 2
744053003 3.0 2.8 2.5 20.00 5.8 x 5.8 x 3
744053004 4.2 2.5 2.2 30.00 5.8 x 5.8 x 3
7440530047 4.7 2.4 2.0 30.00 5.8 x 5.8 x 3
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
7440680047 4.7 1.9 1.6 72.00 8 x 8 x 1.2
7440690033 3.3 2.6 2.3 42.00 8 x 8 x 1.5
7440690047 4.7 2.2 1.8 56.00 8 x 8 x 1.5
7440700033 3.3 3.2 2.6 30.00 8 x 8 x 2
7440700047 4.7 3.0 2.2 37.00 8 x 8 x 2
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
74408942047 4.7 1.6 2.9 86.80 4.8 x 4.8 x 3.1
74438323033 3.3 1.3 2.1 220.00 2.5 x 2 x 1
74438324033 3.3 1.3 2.6 226.00 2.5 x 2 x 1.2
74438335047 4.7 1.5 2.8 141.00 3 x 3 x 1.5
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
744773039 3.9 1.9 2.6 54.00 4 x 4.5 x 3.5
744773047 4.7 1.8 2.5 59.00 4 x 4.5 x 3.5
7447785003 3.3 2.8 3.0 43.00 5.9 x 6.2 x 3.3
7447785004 4.7 2.2 2.5 60.00 5.9 x 6.2 x 3.3
7447786004 4.7 2.8 2.8 57.00 5.9 x 6.2 x 5.1
78438323033 3.3 1.3 2.1 220.00 2.5 x 2 x 1
78438335047 4.7 1.5 2.8 141.00 3 x 3 x 1.5
784773033 3.3 2.0 2.9 41.00 4 x 4.5 x 3.5
784773039 3.9 1.9 2.6 54.00 4 x 4.5 x 3.5
784773047 4.7 1.8 2.5 59.00 4 x 4.5 x 3.5
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Last Tweets
With the help of #OEMsecrets we show for all Selectors and products worldwide distributor inventory and prices. https://t.co/udaDPmshky
Update for the DC/DC Buck-Boost Converter Selector with additional products, fresh equivalent suggestions and more: https://t.co/C8PXhcizYQ
Meet us at the Electronica Tradeshow in Munich, appointments under info@dcdcselector.com https://t.co/1uiualLN1x
Feedback
ajax-loader.gif
Loading. Please wait.