LTC1877 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LTC1877 is a 10.00 V sync Buck Converter from with 0.60 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 10.00 µH, a typical external component count of 7 and achieves a peak efficiency of 95 %. Further LTC1877 characteristics are a fixed 550 kHz switching frequency and 1 available package option(s): MSOP-8 .

For the LTC1877 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? 0.60 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. 400 kHz
Frequency adj./ ext.clock max 700 kHz
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Quiescent current max. 365 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 10.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 7
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP MSOP-8
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

LTC1877 Datasheet

Link to the most up-to-date LTC1877 datasheet and the product page for EVM, tools and support information.

LTC1877

LTC1877 Sample stock and distributor price breaks

LTC1877 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 8

Chip One Stop (1)

ProductStockPriceBuy
LTC1877EMS8#PBF211
17.82 USD
104.59 USD
503.85 USD
1003.75 USD
2003.70 USD
Buy Now

Conrad UK (1)

ProductStockPriceBuy
LTC1877EMS8#PBF2Buy Now

Digi-Key (3)

ProductStockPriceBuy
LTC1877EMS8#PBF7710
16.28 USD
254.17 USD
1003.12 USD
Buy Now
LTC1877EMS8#TRPBF0
25003.22 USD
Buy Now
LTC1877EMS8#TRPBF1031
17.18 USD
256.41 USD
1003.87 USD
2503.55 USD
Buy Now
LTC1877EMS8#TRPBF1031
17.18 USD
256.41 USD
1003.87 USD
2503.55 USD
Buy Now
LTC1877IMS8#PBF0
2004.22 USD
Buy Now
LTC1877IMS8#TRPBF0
25004.32 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LTC1877EMS8#PBF803
19.58 USD
256.36 USD
1005.06 USD
Buy Now

Farnell Element14 (1)

ProductStockPriceBuy
LTC1877EMS8#PBF2128Buy Now

Mouser-Electronics (3)

ProductStockPriceBuy
LTC1877EMS8#TRPBF1900
17.36 USD
106.84 USD
256.58 USD
1003.96 USD
2503.64 USD
25003.34 USD
Buy Now
LTC1877EMS8#PBF496 On Order
16.45 USD
105.90 USD
254.28 USD
1003.26 USD
Buy Now
LTC1877IMS8#PBF200 On Order
17.64 USD
106.99 USD
255.10 USD
1004.33 USD
Buy Now
LTC1877IMS8#TRPBFNone
25004.43 USD
Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LTC1877EMS8#PBF32
16.12 USD
254.07 USD
1003.06 USD
Buy Now

RS Components (1)

ProductStockPriceBuy
LTC1877EMS8#PBF314Buy Now

Available Distributors without stock: 1

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 10

Arrow Electronics

ProductStockPriceBuy
LTC1877EMS8#PBF 3425
13.43 $
1003.06 $
Buy Now
LTC1877EMS8#TRPBF 609
1003.16 $
Buy Now
LTC1877EMS8 0 Buy Now
LTC1877EMS8 0
16.86 $
1006.12 $
Buy Now
LTC1877EMS8 0 Buy Now
LTC1877EMS8#TRPBF 0
1003.16 $
Buy Now
LTC1877EMS8#TRPBF 0
1003.16 $
Buy Now
LTC1877EMS8#TRPBF 0
1003.16 $
Buy Now
LTC1877EMS8#PBF 0
13.43 $
1003.06 $
Buy Now
LTC1877EMS8#TR 0 Buy Now
LTC1877EMS8#TR 0 Buy Now
LTC1877IMS8#TRPBF 0
1004.24 $
Buy Now
LTC1877IMS8#PBF 0
14.87 $
1004.14 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC1877EMS8#PBF 7710
1002.52 €
253.36 €
15.06 €
Buy Now
LTC1877EMS8#TRPBF 1031
2502.86 €
1003.12 €
255.16 €
15.79 €
Buy Now
LTC1877EMS8#TRPBF 1031
2502.86 €
1003.12 €
255.16 €
15.79 €
Buy Now
LTC1877EMS8#TRPBF 0
25002.60 €
Buy Now
LTC1877IMS8#PBF 0
2003.40 €
Buy Now
LTC1877IMS8#TRPBF 0
25003.49 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LTC1877EMS8#PBF 32
16.12 $
254.07 $
1003.06 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC1877EMS8#TRPBF 1900
17.18 $
106.67 $
256.41 $
1003.87 $
2503.55 $
Buy Now
LTC1877EMS8#PBF 0
16.29 $
105.76 $
254.17 $
1003.12 $
Buy Now
LTC1877IMS8#PBF 0
17.45 $
106.82 $
254.97 $
1004.22 $
Buy Now
LTC1877IMS8#TRPBF 0
25004.32 $
Buy Now
LTC1877EMS8 0 Buy Now
LTC1877EMS8#TR 0 Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LTC1877EMS8 23 Buy Now
LTC1877EMS8 621 Buy Now

Quest Components

ProductStockPriceBuy
LTC1877EMS8 4
34.28 $
16.42 $
Buy Now
LTC1877EMS8 21
54.43 $
25.90 $
18.85 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LTC1877EMS8#PBF 803
17.66 $
255.09 $
1004.04 $
Buy Now

Farnell element14

ProductStockPriceBuy
LTC1877EMS8#PBF 2098
15.20 GBP
104.71 GBP
253.12 GBP
503.03 GBP
1002.94 GBP
Buy Now

Chip1Stop

ProductStockPriceBuy
LTC1877EMS8#PBF 211
2003.70 $
503.85 $
17.82 $
Buy Now

RS Components

ProductStockPriceBuy
LTC1877EMS8#PBF 314
15.59 GBP
105.29 GBP
254.74 GBP
504.46 GBP
754.41 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC1877. Optional, compare LTC1877 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC1879 LTC1879 product overviewLTC1879 product overview Linear Technology TSSOP-16
25% LTC1627 LTC1627 product overviewLTC1627 product overview Linear Technology SO-8
25% LTC1707 LTC1707 product overviewLTC1707 product overview Linear Technology SO-8
50% LTC1878 LTC1878 product overviewLTC1878 product overview Linear Technology MSOP-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC1877.

V-IN max. 10 V, I-OUT 0.6 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)
744025006 6.8 1.1 1.3 142.00 2.8 x 2.8 x 3
744031006 6.8 0.9 0.8 135.00 3.8 x 3.8 x 1.8
74404024068 6.8 0.9 1.0 300.00 2.5 x 2 x 1.2
74404032068 6.8 1.2 0.9 120.00 3 x 3 x 1.5
744042005 5.6 1.6 1.4 80.00 4.8 x 4.8 x 2
744042006 6.8 1.5 1.3 80.00 4.8 x 4.8 x 2
744042008 8.2 1.4 1.1 100.00 4.8 x 4.8 x 2
744043005 5.6 1.4 1.3 70.00 4.8 x 4.8 x 3
744043006 6.8 1.3 1.3 80.00 4.8 x 4.8 x 3
744043008 8.2 1.3 1.1 90.00 4.8 x 4.8 x 3
744052007 7.5 1.4 1.5 70.00 5.8 x 5.8 x 2
744052009 9.0 1.3 1.4 90.00 5.8 x 5.8 x 2
7440680056 5.6 1.5 1.4 110.00 8 x 8 x 1.2
7440680068 6.8 1.4 1.2 127.00 8 x 8 x 1.2
7440680082 8.2 1.4 1.1 142.00 8 x 8 x 1.2
7440690082 8.2 1.7 1.5 99.00 8 x 8 x 1.5
74438323082 8.2 0.7 1.5 646.00 2.5 x 2 x 1
74438324082 8.2 0.8 1.5 630.00 2.5 x 2 x 1.2
78438323082 8.2 0.7 1.5 646.00 2.5 x 2 x 1
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