LTC3770 Buck Controller overview

Description

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Category
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LTC3770 is a 1 channel, 1 phase sync Buck Controller. The maximum input voltage ranges from 4.00 V to 32.00 V and output current goes up to 15.00 A.

The Controller features kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3770 is available in 2 package option(s): QFN-32 SSOP-28 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 4.00 V
V-IN max. 32.00 V
I-OUT? 15.00 A
V-OUT min. 0.60 V
V-OUT max. 28.80 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ.
Frequency adj.
Frequency adj. min.
Frequency adj. max.
ext.clock sync. yes
ext.clock Frequency min.
ext.clock Frequency max. 1000 kHz
Softstart
Softstart adjustable
Tracking yes
Power Good (PG)
Enable
Operating min.
Operating max.
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ.
Automotive AEC-Q100
Light-Load Mode
Single/ Multiphase single
Nr. of Phases 1
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 2
CSP
SOT
MSOP
QFN/DFN QFN-32
SO/SOIC
SOP SSOP-28
DIP

LTC3770 Datasheet

Link to the most up-to-date LTC3770 datasheet and the product page for EVM, tools and support information.

LTC3770

LTC3770 inventory, samples and price

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Available Distributors with stock: 0

no online Distributor with LTC3770 stock available

Available Distributors with stock: 5

Digi-Key

ProductStockPriceBuy
LTC3770EUH#PBF 81
1004.27 €
255.16 €
17.77 €
Buy Now
LTC3770EG#PBF 17
17.77 €
Buy Now
DC774A 2
1113.04 €
Buy Now
LTC3770EG#TRPBF 0
20004.08 €
Buy Now
LTC3770EUH#TRPBF 0
25004.08 €
Buy Now
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Mouser Electronics

ProductStockPriceBuy
LTC3770EUH#PBF 86
17.59 $
255.30 $
1004.69 $
2504.38 $
5004.29 $
Buy Now

Bristol Electronics

ProductStockPriceBuy
LTC3770EUH#TRPBF 8816 Buy Now

ComS.I.T.

ProductStockPriceBuy
LTC3770EGPBF 188

IChunt

ProductStockPriceBuy
LTC3770EG#PBF 17
168.24 CNY
Buy Now
LTC3770EUH#PBF 191
168.24 CNY
2545.33 CNY
10037.48 CNY
Buy Now

Available Distributors without stock: 2

Arrow Electronics

ProductStockPriceBuy
LTC3770EG#PBF 0
1413.92 $
Buy Now
LTC3770EUH#PBF 0
5004.08 $
2504.16 $
1464.46 $
Buy Now
LTC3770EUH#TRPBF 0
25004.04 $
Buy Now

Richardson RFPD

ProductStockPriceBuy
LTC3770EUH#PBF 0
1464.77 $
5004.64 $
10004.52 $
50004.36 $
Buy Now
LTC3770EG#TRPBF 0
20004.66 $
50004.48 $
Buy Now
LTC3770EG#PBF 0
1414.77 $
5004.64 $
10004.52 $
50004.36 $
Buy Now
LTC3770EUH#TRPBF 0
25004.66 $
50004.48 $
Buy Now

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3770. Or, compare LTC3770 side-by-side with other Buck Controller via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3770.

V-IN max. 32 V, I-OUT 15 A, V-OUT min. 0.6 V, Frequency typ. kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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