LTC3563-1.28 Buck Converter overview

Description

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Category
Sub-Category

LTC3563-1.28 is a 5.50 V sync Buck Converter from with 0.50 A output current. The maximum 5.50 V input voltage can be regulated down into a 1.28 V to 1.28 V output voltage.

It requires are a typical inductor size of 2.20 µH, a typical external component count of 3 and achieves a peak efficiency of 96 %. Further LTC3563-1.28 characteristics are a fixed 2250 kHz switching frequency and 1 available package option(s): DFN-6 .

For the LTC3563-1.28 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? 0.50 A
V-OUT min. 1.28 V
V-OUT max. 1.28 V
V-OUT 1.280 V
V-OUT programmable yes
sync/non-sync sync
Frequency typ. 2250 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 500 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 150 °C
Inductor size typ. 2.20 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 96 %
Component count min. 3
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-6
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3563-1.28 Datasheet

Link to the most up-to-date LTC3563-1.28 datasheet and the product page for EVM, tools and support information.

LTC3563-1.28

LTC3563-1.28 Sample stock and distributor price breaks

LTC3563-1.28 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 1

DIGI-KEY (2)

ProductStockPriceBuy
LTC3563EDC#TRMPBF0
5001.88 USD
Buy Now
LTC3563EDC#TRMPBF441
13.71 USD
253.32 USD
1002.26 USD
2502.07 USD
Buy Now
LTC3563EDC#TRMPBF441
13.71 USD
253.32 USD
1002.26 USD
2502.07 USD
Buy Now
LTC3563EDC#TRPBF0
25001.88 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3563 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3563-1.28. Optional, compare LTC3563-1.28 side-by-side with other Buck Converter via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3563-1.28.

V-IN max. 5.5 V, I-OUT 0.5 A, V-OUT min. 1.28 V, Frequency typ. 2250 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744028002 2.2 1.3 1.0 125.00 2.8 x 2.8 x 1.2
744028003 3.3 1.0 0.9 185.00 2.8 x 2.8 x 1.2
744029002 2.2 1.5 1.2 88.00 2.8 x 2.8 x 1.5
744029003 3.3 1.3 1.0 110.00 2.8 x 2.8 x 1.5
744030002 2.2 0.7 0.8 140.00 3.3 x 3.5 x 1.05
744030003 3.3 0.7 0.7 198.00 3.3 x 3.5 x 1.05
74479787222A 2.2 1.8 0.7 85.00 2.5 x 2 x 1
74479887222A 2.2 1.4 0.8 140.00 2.5 x 2 x 1
74479887233A 3.3 1.2 0.6 180.00 2.5 x 2 x 1
74479888233 3.3 1.1 1.1 250.00 2.5 x 2 x 1
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