LTC1773 Buck Controller overview

Description

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LTC1773 is a 1 channel, 1 phase sync Buck Controller. The maximum input voltage ranges from 2.65 V to 8.50 V and output current goes up to 6.00 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 LTC1773 is available in 1 package option(s): MS-10 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.65 V
V-IN max. 8.50 V
I-OUT? 6.00 A
V-OUT min. 0.80 V
V-OUT max. 8.50 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ. 550 kHz
Frequency adj. fixed
Frequency adj. min.
Frequency adj. max.
ext.clock sync. yes
ext.clock Frequency min.
ext.clock Frequency max. 750 kHz
Softstart yes
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 1
CSP
SOT
MSOP MS-10
QFN/DFN
SO/SOIC
SOP
DIP

LTC1773 Datasheet

Link to the most up-to-date LTC1773 datasheet and the product page for EVM, tools and support information.

LTC1773

LTC1773 inventory, samples and price

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Available Distributors with stock: 7

ARROW-NAC (2)

ProductStockPriceBuy
LTC1773EMS1150
163.71 USD
2518.70 USD
1008.60 USD
5007.17 USD
10006.42 USD
25006.24 USD
50006.06 USD
100005.98 USD
250005.90 USD
500005.74 USD
Buy Now
LTC1773EMS#PBF810
12.90 USD
1002.69 USD
Buy Now

Chip-One-Stop (2)

ProductStockPriceBuy
LTC1773EMS1150
19.64 USD
59.46 USD
107.42 USD
506.70 USD
1006.03 USD
2005.67 USD
Buy Now
LTC1773EMS#PBF2348
14.71 USD
103.96 USD
253.91 USD
503.74 USD
1003.64 USD
2003.48 USD
Buy Now

DIGI-KEY (2)

ProductStockPriceBuy
LTC1773EMS#PBF590
15.40 USD
253.59 USD
1002.70 USD
Buy Now
DC309A2
1100.50 USD
Buy Now
LTC1773EMS#TRPBF0
25002.79 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LTC1773EMS#PBF108
18.64 USD
255.74 USD
1004.44 USD
Buy Now

FARNELL-ELEMENT14 (1)

ProductStockPriceBuy
LTC1773EMS#PBF108Buy Now

NEWARK (1)

ProductStockPriceBuy
LTC1773EMS#PBF160
12.80 USD
Buy Now
LTC1773EMS#TRPBF0
14.21 USD
25003.02 USD
Buy Now

RS-COMPONENTS (1)

ProductStockPriceBuy
LTC1773EMS#PBF22Buy Now

Available Distributors with stock: 0

no online Distributor with LTC1773 stock available

Table with equivalents and alternatives

The following Buck Controller are similar to LTC1773. Or, compare LTC1773 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 LTC1773.

V-IN max. 8.5 V, I-OUT 6 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
7440710082 0.8 7.3 8.0 7.00 8 x 8 x 4.6
744314076 0.8 15.5 15.0 2.25 7 x 6.9 x 5
744316068 0.7 12.8 13.5 4.00 5.5 x 5.3 x 4.3
744373240056 0.6 6.0 10.5 13.50 4.45 x 4.06 x 2
744373340068 0.7 6.2 14.0 11.00 5.7 x 5.2 x 2
744373360068 0.7 8.0 15.0 10.00 5.7 x 5.2 x 3
744383560056 0.6 8.5 10.8 7.00 4.1 x 4.1 x 2.1
744383560068 0.7 8.2 9.4 7.50 4.1 x 4.1 x 2.1
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