LTC3405A-1.5 Buck Converter overview

Description

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Category
Sub-Category

LTC3405A-1.5 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 1.50 V to 1.50 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-1.5 characteristics are a fixed 1500 kHz switching frequency and 1 available package option(s): TSOT23 .

For the LTC3405A-1.5 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. 1.50 V
V-OUT max. 1.50 V
V-OUT 1.500 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-1.5 Datasheet

Link to the most up-to-date LTC3405A-1.5 datasheet and the product page for EVM, tools and support information.

LTC3405A-1.5

LTC3405A-1.5 Sample stock and distributor price breaks

LTC3405A-1.5 prices and online available distributors.

OEMSecrets.com
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Available Distributors with stock: 6

ARROW-NAC (4)

ProductStockPriceBuy
LTC3405AES6-1.8#TRMPBF210
12.37 USD
1001.96 USD
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LTC3405AES6-1.5#TRMPBF17
12.37 USD
1001.96 USD
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LTC3405AES6-1.5#TRMPBF3500
5001.96 USD
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LTC3405AES6#TRMPBF157
12.37 USD
1001.96 USD
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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
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LTC3405AES6-1.8#TRMPBF651
14.75 USD
104.56 USD
503.27 USD
1003.23 USD
2002.98 USD
5002.73 USD
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LTC3405AES6-1.8#TRMPBF500
5002.71 USD
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LTC3405AES6#TRMPBF9000
5002.61 USD
10002.58 USD
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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#TRMPBF2366
13.86 USD
253.44 USD
1002.35 USD
2502.16 USD
Buy Now
LTC3405AES6#TRMPBF2366
13.86 USD
253.44 USD
1002.35 USD
2502.16 USD
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LTC3405AES6-1.8#TRMPBF1500
5001.96 USD
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LTC3405AES6-1.8#TRMPBF1525
13.86 USD
253.44 USD
1002.35 USD
2502.16 USD
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LTC3405AES6-1.8#TRMPBF1525
13.86 USD
253.44 USD
1002.35 USD
2502.16 USD
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LTC3405AES6-1.5#TRMPBF0
5001.96 USD
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LTC3405AES6-1.5#TRMPBF383
13.86 USD
253.44 USD
1002.35 USD
2502.16 USD
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LTC3405AES6-1.5#TRMPBF383
13.86 USD
253.44 USD
1002.35 USD
2502.16 USD
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LTC3405AES6-1.5#TRM138
17.71 USD
256.88 USD
1004.70 USD
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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
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LTC3405AES6-1.8#TRPBF0
25001.96 USD
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LTC3405AES6#TRPBF0
25001.96 USD
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LTC3405AES6-1.375#TRPBF0
25001.96 USD
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Element14 (3)

ProductStockPriceBuy
LTC3405AES6-1.8#TRMPBF467
16.12 USD
255.46 USD
1003.73 USD
2503.43 USD
Buy Now
LTC3405AES6-1.8#TRMPBF467
16.12 USD
255.46 USD
1003.73 USD
2503.43 USD
Buy Now
LTC3405AES6#TRMPBF323
16.12 USD
255.46 USD
1003.73 USD
2503.43 USD
Buy Now

FARNELL-ELEMENT14 (4)

ProductStockPriceBuy
LTC3405AES6-1.8#TRMPBF467Buy Now
LTC3405AES6-1.8#TRMPBF467Buy Now
LTC3405AES6#TRMPBF338Buy Now
LTC3405AES6#TRMPBF338Buy Now

RS-COMPONENTS (2)

ProductStockPriceBuy
LTC3405AES6#TRMPBF17Buy Now
LTC3405AES6#TRMPBF185Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LTC3405AES6-1.5#PBF0
13.53 USD
252.36 USD
501.96 USD
Buy Now
LTC3405AES6-1.8#PBF0
13.53 USD
252.36 USD
501.96 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
13.88 USD
253.47 USD
1002.36 USD
2502.16 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-1.5. Optional, compare LTC3405A-1.5 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AS1324-15 AS1324-15 product overviewAS1324-15 product overview AMS SOT23-5
0% ADP2102-1,5 ADP2102-1,5 product overviewADP2102-1,5 product overview Analog Devices QFN-8
0% ADP2108-1,5 ADP2108-1,5 product overviewADP2108-1,5 product overview Analog Devices TSOT23-5, CSP-5
0% ADP2109-1,5 ADP2109-1,5 product overviewADP2109-1,5 product overview Analog Devices CSP-5
0% SP6669-1.5 SP6669-1.5 product overviewSP6669-1.5 product overview Exar SOT23-5
0% FAN4603-1.5 FAN4603-1.5 product overviewFAN4603-1.5 product overview Fairchild MLP-6
0% ISL9103A-1.5 ISL9103A-1.5 product overviewISL9103A-1.5 product overview Intersil TDFN-6
0% ISL9104A-1.5 ISL9104A-1.5 product overviewISL9104A-1.5 product overview Intersil TDFN-6
0% LTC3406-1.5 LTC3406-1.5 product overviewLTC3406-1.5 product overview Linear Technology TSOT23
0% LTC3410-1.5 LTC3410-1.5 product overviewLTC3410-1.5 product overview Linear Technology SC70-6
0% MAX1557-1.5 MAX1557-1.5 product overviewMAX1557-1.5 product overview Maxim TDFN-EP-10
0% MAX1921-1.5 MAX1921-1.5 product overviewMAX1921-1.5 product overview Maxim SOT23-6
0% MAX8504-1.5 MAX8504-1.5 product overviewMAX8504-1.5 product overview Maxim QFN-12
0% MAX8640Y-1.5 MAX8640Y-1.5 product overviewMAX8640Y-1.5 product overview Maxim u00b5DFN-6
0% MAX8640Z-1.5 MAX8640Z-1.5 product overviewMAX8640Z-1.5 product overview Maxim u00b5DFN-6
0% MIC23030-1.5 MIC23030-1.5 product overviewMIC23030-1.5 product overview Micrel MLF-6
0% MIC23031-1.5 MIC23031-1.5 product overviewMIC23031-1.5 product overview Micrel MLF-6
0% MCP1602-1.5 MCP1602-1.5 product overviewMCP1602-1.5 product overview Microchip DFN-8, MSOP-8
0% SC4620815 SC4620815 product overviewSC4620815 product overview Silan Micro SOT23-5
0% AAT1106-1.5 AAT1106-1.5 product overviewAAT1106-1.5 product overview Skyworks TSOT23-5
0% LM3670-1.5 LM3670-1.5 product overviewLM3670-1.5 product overview Texas Instruments SOT23-5
0% LM3671-1.5 LM3671-1.5 product overviewLM3671-1.5 product overview Texas Instruments SOT23-5, DSBGA-5
0% LM3673-1.5 LM3673-1.5 product overviewLM3673-1.5 product overview Texas Instruments DSBGA-5
0% LM3676-1.5 LM3676-1.5 product overviewLM3676-1.5 product overview Texas Instruments WSON-8
0% LM3677-1.5 LM3677-1.5 product overviewLM3677-1.5 product overview Texas Instruments USON-6, DSBGA-5
0% LM3679-1.5 LM3679-1.5 product overviewLM3679-1.5 product overview Texas Instruments DSBGA-5
0% TPS62201 TPS62201 product overviewTPS62201 product overview Texas Instruments SOT23-5
0% TPS62221 TPS62221 product overviewTPS62221 product overview Texas Instruments TSOT23-5
0% TPS622314 TPS622314 product overviewTPS622314 product overview Texas Instruments SON-6
0% TPS622314-Q1 TPS622314-Q1 product overviewTPS622314-Q1 product overview Texas Instruments SON-6
0% TPS62301 TPS62301 product overviewTPS62301 product overview Texas Instruments SON-10, DSBGA-8
0% TPS62311 TPS62311 product overviewTPS62311 product overview Texas Instruments DSBGA-8
0% TPS62321 TPS62321 product overviewTPS62321 product overview Texas Instruments SON-10, DSBGA-8
0% XC9245-1.5 XC9245-1.5 product overviewXC9245-1.5 product overview Torex USPN-6
0% RP504x-1.5 RP504x-1.5 product overviewRP504x-1.5 product overview Ricoh DFN-6, SOT23-5
0% RP508x-1.5 RP508x-1.5 product overviewRP508x-1.5 product overview Ricoh DFN-6
0% TS33000-1.5 TS33000-1.5 product overviewTS33000-1.5 product overview Triune Systems QFN-16
0% RP509Z-2-1.5 RP509Z-2-1.5 product overviewRP509Z-2-1.5 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3405A-1.5.

V-IN max. 5.5 V, I-OUT 0.3 A, V-OUT min. 1.5 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
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