LTC3405A-1.8 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LTC3405A-1.8 is a 5.50 V sync Buck Converter from with 0.30 A output current. The maximum 5.50 V input voltage can be regulated down into a 1.80 V to 1.80 V output voltage.

It requires are a typical inductor size of 4.70 µH, a typical external component count of 4 and achieves a peak efficiency of 96 %. Further LTC3405A-1.8 characteristics are a fixed 1500 kHz switching frequency and 1 available package option(s): TSOT23 .

For the LTC3405A-1.8 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. 2.50 V
V-IN max. 5.50 V
I-OUT? 0.30 A
V-OUT min. 1.80 V
V-OUT max. 1.80 V
V-OUT 1.800 V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1500 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. 400 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 4.70 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 96 %
Component count min. 4
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT TSOT23
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3405A-1.8 Datasheet

Link to the most up-to-date LTC3405A-1.8 datasheet and the product page for EVM, tools and support information.

LTC3405A-1.8

LTC3405A-1.8 Sample stock and distributor price breaks

LTC3405A-1.8 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 6

ARROW-NAC (6)

ProductStockPriceBuy
LTC3405AES6-1.5#TRMPBF17
12.37 USD
1001.96 USD
Buy Now
LTC3405AES6-1.5#TRMPBF2000
5001.96 USD
Buy Now
LTC3405AES6#TRMPBF398
12.37 USD
1001.96 USD
Buy Now
LTC3405AES6-1.8#TRMPBF210
12.37 USD
1001.96 USD
Buy Now
LTC3405AES6-1.8#TRMPBF500
5001.96 USD
Buy Now
LTC3405AES6-1.8#TRPBF2500
25001.96 USD
Buy Now

Chip-One-Stop (6)

ProductStockPriceBuy
LTC3405AES6-1.5#TRMPBF492
14.75 USD
104.56 USD
503.27 USD
1003.23 USD
2002.98 USD
Buy Now
LTC3405AES6-1.5#TRMPBF2500
5002.78 USD
10002.75 USD
Buy Now
LTC3405AES6-1.8#TRMPBF651
14.75 USD
104.56 USD
503.27 USD
1003.23 USD
2002.98 USD
5002.73 USD
Buy Now
LTC3405AES6-1.8#TRMPBF500
5002.71 USD
Buy Now
LTC3405AES6#TRMPBF9000
5002.61 USD
10002.58 USD
Buy Now
LTC3405AES6#TRMPBF491
13.85 USD
103.27 USD
503.05 USD
1003.01 USD
2002.94 USD
Buy Now

DIGI-KEY (13)

ProductStockPriceBuy
LTC3405AES6#TRMPBF2000
5001.96 USD
Buy Now
LTC3405AES6#TRMPBF2784
13.86 USD
253.44 USD
1002.35 USD
2502.16 USD
Buy Now
LTC3405AES6#TRMPBF2784
13.86 USD
253.44 USD
1002.35 USD
2502.16 USD
Buy Now
LTC3405AES6-1.8#TRMPBF1500
5001.96 USD
Buy Now
LTC3405AES6-1.8#TRMPBF1960
13.86 USD
253.44 USD
1002.35 USD
2502.16 USD
Buy Now
LTC3405AES6-1.8#TRMPBF1960
13.86 USD
253.44 USD
1002.35 USD
2502.16 USD
Buy Now
LTC3405AES6-1.5#TRMPBF0
5001.96 USD
Buy Now
LTC3405AES6-1.5#TRMPBF383
13.86 USD
253.44 USD
1002.35 USD
2502.16 USD
Buy Now
LTC3405AES6-1.5#TRMPBF383
13.86 USD
253.44 USD
1002.35 USD
2502.16 USD
Buy Now
LTC3405AES6-1.5#TRM138
17.71 USD
256.88 USD
1004.70 USD
Buy Now
DC480A-D2
175.38 USD
Buy Now
DC480A-A2
175.38 USD
Buy Now
DC480A-B2
175.38 USD
Buy Now
DC480A-C2
175.38 USD
Buy Now
LTC3405AES6-1.375#TRMPBF0
5001.96 USD
Buy Now
LTC3405AES6-1.5#TRPBF0
25001.96 USD
Buy Now
LTC3405AES6-1.8#TRPBF0
25001.96 USD
Buy Now
LTC3405AES6#TRPBF0
25001.96 USD
Buy Now
LTC3405AES6-1.375#TRPBF0
25001.96 USD
Buy Now

Element14 (3)

ProductStockPriceBuy
LTC3405AES6-1.8#TRMPBF467
16.17 USD
255.50 USD
1003.76 USD
2503.46 USD
Buy Now
LTC3405AES6-1.8#TRMPBF467
16.17 USD
255.50 USD
1003.76 USD
2503.46 USD
Buy Now
LTC3405AES6#TRMPBF473
16.17 USD
255.50 USD
1003.76 USD
2503.46 USD
Buy Now

FARNELL-ELEMENT14 (4)

ProductStockPriceBuy
LTC3405AES6-1.8#TRMPBF467Buy Now
LTC3405AES6-1.8#TRMPBF467Buy Now
LTC3405AES6#TRMPBF473Buy Now
LTC3405AES6#TRMPBF473Buy Now

RS-COMPONENTS (1)

ProductStockPriceBuy
LTC3405AES6#TRMPBF208Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LTC3405AES6-1.5#PBF0
13.45 USD
252.32 USD
1001.96 USD
Buy Now
LTC3405AES6-1.8#PBF0
13.45 USD
252.32 USD
1001.96 USD
Buy Now
LTC3405AES6-1.8#TRMPBF0
12.75 USD
5001.96 USD
Buy Now
LTC3405AES6#PBF0
13.45 USD
252.32 USD
1001.96 USD
Buy Now
LTC3405AES6#TRMPBF0
12.75 USD
5001.96 USD
Buy Now
LTC3405AES6#TRMPBF0
13.87 USD
253.45 USD
1003.10 USD
Buy Now
LTC3405AES6#TRPBF0
12.90 USD
25002.08 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3405A stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3405A-1.8. Optional, compare LTC3405A-1.8 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AS1324-18 AS1324-18 product overviewAS1324-18 product overview AMS SOT23-5
0% ADP2102-1,8 ADP2102-1,8 product overviewADP2102-1,8 product overview Analog Devices QFN-8
0% ADP2108-1,8 ADP2108-1,8 product overviewADP2108-1,8 product overview Analog Devices TSOT23-5, CSP-5
0% ADP2109-1,8 ADP2109-1,8 product overviewADP2109-1,8 product overview Analog Devices CSP-5
0% ADP2121-1,8 ADP2121-1,8 product overviewADP2121-1,8 product overview Analog Devices CSP-6
0% SP6669-1.8 SP6669-1.8 product overviewSP6669-1.8 product overview Exar SOT23-5
0% FAN5358-1,8 FAN5358-1,8 product overviewFAN5358-1,8 product overview Fairchild SC70-6
0% ISL9103A-1.8 ISL9103A-1.8 product overviewISL9103A-1.8 product overview Intersil TDFN-6
0% ISL9104A-1.8 ISL9104A-1.8 product overviewISL9104A-1.8 product overview Intersil TDFN-6
0% LTC3406-1.8 LTC3406-1.8 product overviewLTC3406-1.8 product overview Linear Technology TSOT23
0% LTC3410-1.8 LTC3410-1.8 product overviewLTC3410-1.8 product overview Linear Technology SC70-6
0% LTC3630-1.8 LTC3630-1.8 product overviewLTC3630-1.8 product overview Linear Technology DFN-16, MSOP-16
0% MAX1921-1.8 MAX1921-1.8 product overviewMAX1921-1.8 product overview Maxim SOT23-6
0% MAX8640Y-1.8 MAX8640Y-1.8 product overviewMAX8640Y-1.8 product overview Maxim u00b5DFN-6
0% MAX8640Z-1.8 MAX8640Z-1.8 product overviewMAX8640Z-1.8 product overview Maxim u00b5DFN-6
0% MIC2206-1.8 MIC2206-1.8 product overviewMIC2206-1.8 product overview Micrel MFL-10
0% MIC23030-1.8 MIC23030-1.8 product overviewMIC23030-1.8 product overview Micrel MLF-6
0% MIC23031-1.8 MIC23031-1.8 product overviewMIC23031-1.8 product overview Micrel MLF-6
0% MIC23050-1.8 MIC23050-1.8 product overviewMIC23050-1.8 product overview Micrel MLF-8
0% MCP1602-1.8 MCP1602-1.8 product overviewMCP1602-1.8 product overview Microchip DFN-8, MSOP-8
0% DC6M401X6-1.8 DC6M401X6-1.8 product overviewDC6M401X6-1.8 product overview NXP CSP-6
0% DC6M501X6-1.8 DC6M501X6-1.8 product overviewDC6M501X6-1.8 product overview NXP CSP-6
0% DC6M503X6-1.8 DC6M503X6-1.8 product overviewDC6M503X6-1.8 product overview NXP CSP-6
0% SC4620818 SC4620818 product overviewSC4620818 product overview Silan Micro SOT23-5
0% AAT1106-1.8 AAT1106-1.8 product overviewAAT1106-1.8 product overview Skyworks TSOT23-5
0% AAT2749-1.8 AAT2749-1.8 product overviewAAT2749-1.8 product overview Skyworks CSP-9
0% LM3670-1.8 LM3670-1.8 product overviewLM3670-1.8 product overview Texas Instruments SOT23-5
0% LM3671-1.8 LM3671-1.8 product overviewLM3671-1.8 product overview Texas Instruments USON-6, SOT23-5, DSBGA-5
0% LM3673-1.8 LM3673-1.8 product overviewLM3673-1.8 product overview Texas Instruments DSBGA-5
0% LM3676-1.8 LM3676-1.8 product overviewLM3676-1.8 product overview Texas Instruments WSON-8
0% LM3677-1.8 LM3677-1.8 product overviewLM3677-1.8 product overview Texas Instruments USON-6, DSBGA-5
0% LM3679-1.8 LM3679-1.8 product overviewLM3679-1.8 product overview Texas Instruments DSBGA-5
0% TPS62171 TPS62171 product overviewTPS62171 product overview Texas Instruments SON-8
0% TPS62202 TPS62202 product overviewTPS62202 product overview Texas Instruments SOT23-5
0% TPS62222 TPS62222 product overviewTPS62222 product overview Texas Instruments TSOT23-5
0% TPS62231 TPS62231 product overviewTPS62231 product overview Texas Instruments SON-6
0% TPS62231-Q1 TPS62231-Q1 product overviewTPS62231-Q1 product overview Texas Instruments SON-6
0% TPS62243 TPS62243 product overviewTPS62243 product overview Texas Instruments SON-6, SOT-5
0% TPS62261 TPS62261 product overviewTPS62261 product overview Texas Instruments SON-6, SOT-5
0% TPS62261-Q1 TPS62261-Q1 product overviewTPS62261-Q1 product overview Texas Instruments SON-6, SOT-5
0% TPS62303 TPS62303 product overviewTPS62303 product overview Texas Instruments SON-10, DSBGA-8
0% TPS62313 TPS62313 product overviewTPS62313 product overview Texas Instruments DSBGA-8
0% XC9245-1.8 XC9245-1.8 product overviewXC9245-1.8 product overview Torex USPN-6
0% RP504x-1.8 RP504x-1.8 product overviewRP504x-1.8 product overview Ricoh DFN-6, SOT23-5
0% RP508x-1.8 RP508x-1.8 product overviewRP508x-1.8 product overview Ricoh DFN-6
0% TS33000-1.8 TS33000-1.8 product overviewTS33000-1.8 product overview Triune Systems QFN-16
0% TPS62746-1.8 TPS62746-1.8 product overviewTPS62746-1.8 product overview Texas Instruments WCSP-8
0% TPS62562 TPS62562 product overviewTPS62562 product overview Texas Instruments SON-6
0% TPS62748-1.8 TPS62748-1.8 product overviewTPS62748-1.8 product overview Texas Instruments WCSP-8
0% RP509Z-2-1.8 RP509Z-2-1.8 product overviewRP509Z-2-1.8 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3405A-1.8.

V-IN max. 5.5 V, I-OUT 0.3 A, V-OUT min. 1.8 V, Frequency typ. 1500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744028006 6.8 0.8 0.6 325.00 2.8 x 2.8 x 1.2
744029006 6.8 0.8 0.7 250.00 2.8 x 2.8 x 1.5
744030006 6.8 0.4 0.4 400.00 3.3 x 3.5 x 1.05
744031006 6.8 0.9 0.8 135.00 3.8 x 3.8 x 1.8
74479889268 6.8 0.8 0.7 500.00 2.5 x 2 x 1.2
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.