LTC3772 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3772 is a 1 channel, 1 phase non-sync Buck Controller. The maximum input voltage ranges from 2.75 V to 9.80 V and output current goes up to 5.00 A.

The Controller features fixed 550 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3772 is available in 2 package option(s): SOT-23 DFN-8 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.75 V
V-IN max. 9.80 V
I-OUT? 5.00 A
V-OUT min. 0.80 V
V-OUT max. 9.80 V
V-OUT adjustable
V-OUT programmable
sync/non-sync non-sync
Frequency typ. 550 kHz
Frequency adj. fixed
Frequency adj. min.
Frequency adj. max.
ext.clock sync. no
ext.clock Frequency min.
ext.clock Frequency max.
Softstart
Softstart adjustable
Tracking no
Power Good (PG)
Enable
Operating min.
Operating max.
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ.
Automotive AEC-Q100
Light-Load Mode yes
Single/ Multiphase single
Nr. of Phases 1
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 2
CSP
SOT SOT-23
MSOP
QFN/DFN DFN-8
SO/SOIC
SOP
DIP

LTC3772 Datasheet

Link to the most up-to-date LTC3772 datasheet and the product page for EVM, tools and support information.

LTC3772

LTC3772 inventory, samples and price

OEMSecrets.com
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Available Distributors with stock: 3

ARROW-NAC (2)

ProductStockPriceBuy
LTC3772ETS8#TRMPBF5
5002.24 USD
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LTC3772EDDB#TRMPBF97
5002.25 USD
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Chip-One-Stop (1)

ProductStockPriceBuy
LTC3772BETS8#TRMPBF234
15.42 USD
105.21 USD
503.74 USD
1003.69 USD
2003.41 USD
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DIGI-KEY (2)

ProductStockPriceBuy
LTC3772ETS8#TRMPBF0
5002.24 USD
Buy Now
LTC3772ETS8#TRMPBF455
14.59 USD
254.10 USD
1002.69 USD
2502.46 USD
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LTC3772ETS8#TRMPBF455
14.59 USD
254.10 USD
1002.69 USD
2502.46 USD
Buy Now
LTC3772ETS8#TRPBF0
25002.24 USD
Buy Now
LTC3772BETS8#TRPBF0
25002.24 USD
Buy Now
LTC3772BETS8#TRMPBF0
5002.24 USD
Buy Now
LTC3772EDDB#TRMPBF0
10002.25 USD
Buy Now
LTC3772BEDDB#TRMPBF0
5002.25 USD
Buy Now
LTC3772EDDB#TRPBF0
25002.25 USD
Buy Now
LTC3772BEDDB#TRPBF0
25002.25 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3772 stock available

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3772. Or, compare LTC3772 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC1772 LTC1772 product overviewLTC1772 product overview Linear Technology SOT-23
0% LTC3801 LTC3801 product overviewLTC3801 product overview Linear Technology SOT-23

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3772.

V-IN max. 9.8 V, I-OUT 5 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)
744040630082 0.8 6.0 9.5 10.00 6 x 6 x 2.8
74404063010 1.0 5.2 7.5 10.00 6 x 6 x 2.8
74404064010 1.0 5.1 11.0 11.00 6 x 6 x 4.5
744065001 1.0 8.0 9.5 4.90 10 x 10 x 3.1
7440710082 0.8 7.3 8.0 7.00 8 x 8 x 4.6
744316100 1.0 11.5 11.5 4.75 5.5 x 5.3 x 4.3
744373240068 0.7 5.5 10.0 16.00 4.45 x 4.06 x 2
74437324010 1.0 5.0 9.0 22.00 4.45 x 4.06 x 2
74437336010 1.0 7.5 11.0 13.00 5.7 x 5.2 x 3
744383560068 0.7 8.2 9.4 7.50 4.1 x 4.1 x 2.1
74438356010 1.0 7.2 9.0 12.00 4.1 x 4.1 x 2.1
7447462010 1.0 8.5 8.0 6.00 5.5 x 5.5 x 8.5
744772010 1.0 7.5 10.0 4.70 7.8 x 7.8 x 10
744777001 1.0 6.8 10.2 8.40 7.3 x 7.3 x 4.5
7447779001 1.0 5.3 9.5 10.00 7.3 x 7.3 x 4.5
744778001 1.0 5.4 6.4 9.00 7.3 x 7.3 x 3.4
7447789001 1.0 5.4 6.4 10.00 7.3 x 7.3 x 3.5
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