LTC3620 Buck Converter overview

Description

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Category
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LTC3620 is a 5.50 V sync Buck Converter from with 0.02 A output current. The maximum 5.50 V input voltage can be regulated down into a 0.60 V to 5.50 V output voltage.

It requires are a typical inductor size of 22.00 µH, a typical external component count of 6 and achieves a peak efficiency of 95 %. Further LTC3620 characteristics are a adjustable 150 kHz switching frequency and 1 available package option(s): DFN-8 .

For the LTC3620 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. 2.90 V
V-IN max. 5.50 V
I-OUT? 0.02 A
V-OUT min. 0.60 V
V-OUT max. 5.50 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 150 kHz
Frequency adjustable
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min. 20 kHz
Frequency adj./ ext.clock max 300 kHz
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 25 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 22.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 95 %
Component count min. 6
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-8
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3620 Datasheet

Link to the most up-to-date LTC3620 datasheet and the product page for EVM, tools and support information.

LTC3620

LTC3620 Sample stock and distributor price breaks

LTC3620 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 2

Chip-One-Stop (2)

ProductStockPriceBuy
LTC3620EDC-1#TRMPBF500
12.77 USD
102.35 USD
502.29 USD
5002.21 USD
Buy Now
LTC3620EDC#TRMPBF542
14.73 USD
103.82 USD
503.38 USD
1003.34 USD
2003.26 USD
5003.07 USD
Buy Now

DIGI-KEY (6)

ProductStockPriceBuy
LTC3620EDC-1#TRMPBF500
5002.37 USD
Buy Now
LTC3620EDC-1#TRMPBF559
14.78 USD
254.27 USD
1002.84 USD
2502.61 USD
Buy Now
LTC3620EDC-1#TRMPBF559
14.78 USD
254.27 USD
1002.84 USD
2502.61 USD
Buy Now
DC1460A2
175.38 USD
Buy Now
LTC3620EDC#TRMPBF0
5002.37 USD
Buy Now
LTC3620EDC#TRMPBF28
14.78 USD
254.27 USD
1002.84 USD
2502.61 USD
Buy Now
LTC3620EDC#TRMPBF28
14.78 USD
254.27 USD
1002.84 USD
2502.61 USD
Buy Now
LTC3620EDC#TRPBF0
25002.37 USD
Buy Now
LTC3620EDC-1#TRPBF0
25002.37 USD
Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LTC3620EDC#PBF0
14.27 USD
252.85 USD
1002.37 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3620 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3620. Optional, compare LTC3620 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 LTC3620.

V-IN max. 5.5 V, I-OUT 0.015 A, V-OUT min. 0.6 V, Frequency typ. 150 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744043102 1,000.0 0.1 0.1 5,400.00 4.8 x 4.8 x 3
744045102 1,000.0 0.1 0.2 24,000.00 4.5 x 3.2 x 2.9
744045821 820.0 0.1 0.2 16,000.00 4.5 x 3.2 x 2.9
744062102 1,000.0 0.2 0.1 3,820.00 6.8 x 6.8 x 2.5
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