LTC3727 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3727 is a 2 channel, 2 phase sync Buck Controller. The maximum input voltage ranges from 4.00 V to 36.00 V and output current goes up to 25.00 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 LTC3727 is available in 1 package option(s): SSOP-28 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 4.00 V
V-IN max. 36.00 V
I-OUT? 25.00 A
V-OUT min. 0.80 V
V-OUT max. 14.00 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. 250 kHz
ext.clock Frequency max. 550 kHz
Softstart
Softstart adjustable
Tracking no
Power Good (PG) yes
Enable
Operating min.
Operating max.
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ.
Automotive AEC-Q100
Light-Load Mode yes
Single/ Multiphase multi
Nr. of Phases 2
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN
SO/SOIC
SOP SSOP-28
DIP

LTC3727 Datasheet

Link to the most up-to-date LTC3727 datasheet and the product page for EVM, tools and support information.

LTC3727

LTC3727 inventory, samples and price

OEMSecrets.com
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Available Distributors with stock: 6

Chip One Stop (2)

ProductStockPriceBuy
LTC3727AEG-1#PBF43
110.10 USD
107.02 USD
Buy Now
LTC3727EG#PBF31
254.56 USD
Buy Now

Conrad COM (1)

ProductStockPriceBuy
LTC3727EG20Buy Now

Conrad UK (1)

ProductStockPriceBuy
LTC3727EG20Buy Now

Digi-Key (7)

ProductStockPriceBuy
LTC3727EG-1#PBF791
110.51 USD
257.07 USD
1005.82 USD
Buy Now
LTC3727EG#PBF295
110.51 USD
257.07 USD
1005.82 USD
Buy Now
LTC3727EUH-1#PBF638
111.15 USD
257.40 USD
1006.06 USD
Buy Now
LTC3727IG-1#PBF174
112.04 USD
258.60 USD
1007.08 USD
Buy Now
LTC3727AEG-1#PBF106
110.51 USD
257.07 USD
1005.82 USD
Buy Now
DC457B2
1153.00 USD
Buy Now
LTC3727AIG-1#PBF16
112.04 USD
258.60 USD
1007.30 USD
Buy Now
LTC3727LXEG-1#PBF0
1415.22 USD
Buy Now
LTC3727LXEG-1#TRPBF0
20005.32 USD
Buy Now
LTC3727LXEUH-1#PBF0
1465.52 USD
Buy Now
LTC3727LXEUH-1#TRPBF0
25005.62 USD
Buy Now
LTC3727EG#TRPBF0
20005.93 USD
Buy Now
LTC3727EG-1#TRPBF0
20005.93 USD
Buy Now
LTC3727AEG-1#TRPBF0
20005.93 USD
Buy Now
LTC3727EUH-1#TRPBF0
25006.16 USD
Buy Now
LTC3727IG-1#TRPBF0
20007.18 USD
Buy Now
LTC3727AIG-1#TRPBF0
20007.41 USD
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Mouser Electronics (4)

ProductStockPriceBuy
LTC3727EG-1#PBF186
110.79 USD
109.89 USD
257.25 USD
1005.96 USD
Buy Now
LTC3727AEG-1#PBF141
110.79 USD
109.89 USD
257.25 USD
1005.96 USD
Buy Now
LTC3727EUH-1#PBF146
111.45 USD
1010.50 USD
257.59 USD
1006.21 USD
Buy Now
LTC3727EG#PBF141 On Order
110.79 USD
109.89 USD
257.25 USD
1005.96 USD
Buy Now
LTC3727EG-1#TRPBFNone
20006.08 USD
Buy Now
LTC3727IG-1#PBFNone
1417.26 USD
Buy Now
LTC3727AEG-1#TRPBFNone
20006.08 USD
Buy Now
LTC3727IG-1#TRPBFNone
20007.36 USD
Buy Now
LTC3727EG#TRPBFNone
20006.08 USD
Buy Now
LTC3727EUH-1#TRPBFNone
25006.31 USD
Buy Now
LTC3727LXEG-1#PBFNone
1415.35 USD
Buy Now
LTC3727AIG-1#TRPBFNone
20007.60 USD
Buy Now
LTC3727LXEUH-1#PBFNone
1465.66 USD
Buy Now
LTC3727AIG-1#PBFNone
1417.49 USD
Buy Now
LTC3727LXEG-1#TRPBFNone
20005.45 USD
Buy Now
LTC3727LXEUH-1#TRPBFNone
25005.76 USD
Buy Now

RS Components (2)

ProductStockPriceBuy
LTC3727EG-1#PBF46Buy Now
LTC3727EG#PBF24Buy Now

Available Distributors without stock: 3

Distrelec (0)

ProductStockPriceBuy
LTC3727AIG-1#PBF0Buy Now

Farnell Element14 (0)

ProductStockPriceBuy
LTC3727AEG-1#PBF0Buy Now
LTC3727EG-1#PBF0Buy Now
LTC3727EG#PBF0Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 8

Arrow Electronics

ProductStockPriceBuy
LTC3727EG#PBF 207
16.93 $
1005.71 $
Buy Now
LTC3727EUH-1#PBF 182
17.21 $
1005.94 $
Buy Now
LTC3727IG-1#PBF 136
18.43 $
1006.94 $
Buy Now
LTC3727AIG-1#PBF 102
18.43 $
1007.16 $
Buy Now
LTC3727AEG-1#PBF 17
16.93 $
1005.71 $
Buy Now
LTC3727EG-1#TR 0 Buy Now
LTC3727AIG-1#TRPBF 0
1007.26 $
Buy Now
LTC3727EG-1#TRPBF 0
1005.81 $
Buy Now
LTC3727EG-1#TRPBF 0
1005.81 $
Buy Now
LTC3727EG-1#PBF 0
16.93 $
1005.71 $
Buy Now
LTC3727EG#TRPBF 0
1005.81 $
Buy Now
LTC3727LXEUH-1#PBF 0
16.57 $
1005.41 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3727EG-1#PBF 791
1004.97 €
256.03 €
18.96 €
Buy Now
LTC3727EUH-1#PBF 638
1005.17 €
256.31 €
19.51 €
Buy Now
LTC3727EG#PBF 295
1004.97 €
256.03 €
18.96 €
Buy Now
LTC3727IG-1#PBF 174
1006.04 €
257.33 €
110.27 €
Buy Now
LTC3727AEG-1#PBF 106
1004.97 €
256.03 €
18.96 €
Buy Now
LTC3727AIG-1#PBF 16
1006.23 €
257.33 €
110.27 €
Buy Now
DC457B 2
1130.49 €
Buy Now
LTC3727LXEG-1#PBF 0
1414.45 €
Buy Now
LTC3727LXEG-1#TRPBF 0
20004.54 €
Buy Now
LTC3727LXEUH-1#PBF 0
1464.71 €
Buy Now
LTC3727LXEUH-1#TRPBF 0
25004.79 €
Buy Now
LTC3727EG#TRPBF 0
20005.05 €
Buy Now
LTC3727EG-1#TRPBF 0
20005.05 €
Buy Now
LTC3727AEG-1#TRPBF 0
20005.05 €
Buy Now
LTC3727EUH-1#TRPBF 0
25005.25 €
Buy Now
show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
LTC3727EG-1#PBF 186
110.53 $
109.65 $
257.07 $
1005.82 $
Buy Now
LTC3727AEG-1#PBF 141
110.53 $
109.65 $
257.07 $
1005.82 $
Buy Now
LTC3727EUH-1#PBF 146
111.17 $
1010.24 $
257.40 $
1006.06 $
Buy Now
LTC3727EG#PBF 0
110.53 $
109.65 $
257.07 $
1005.82 $
Buy Now
LTC3727EG-1#TRPBF 0
20005.93 $
Buy Now
LTC3727IG-1#PBF 0
1417.08 $
Buy Now
LTC3727AEG-1#TRPBF 0
20005.93 $
Buy Now
LTC3727IG-1#TRPBF 0
20007.18 $
Buy Now
LTC3727EG#TRPBF 0
20005.93 $
Buy Now
LTC3727EUH-1#TRPBF 0
25006.16 $
Buy Now
LTC3727LXEG-1#PBF 0
1415.22 $
Buy Now
LTC3727AIG-1#TRPBF 0
20007.41 $
Buy Now
LTC3727LXEUH-1#PBF 0
1465.52 $
Buy Now
LTC3727AIG-1#PBF 0
1417.30 $
Buy Now
LTC3727LXEG-1#TRPBF 0
20005.32 $
Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LTC3727EG 11 Buy Now
LTC3727EUH-1#PBF 237 Buy Now

Quest Components

ProductStockPriceBuy
LTC3727EG#TRPBF 1444
2866.39 $
1287.03 $
112.78 $
Buy Now
LTC3727EG-1#PBF 78
325.53 $
46.38 $
112.75 $
Buy Now
LTC3727EUH-1 9
46.15 $
28.20 $
112.30 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LTC3727EGPBF 12
LTC3727EG1TRES 1741
LTC3727EG 3

Chip1Stop

ProductStockPriceBuy
LTC3727EG#PBF 31
254.56 $
Buy Now
LTC3727AEG-1#PBF 3
110.00 $
Buy Now

RS Components

ProductStockPriceBuy
LTC3727EG-1#PBF 46
97.56 GBP
246.94 GBP
Buy Now
LTC3727EG#PBF 24
97.70 GBP
247.28 GBP
Buy Now

Available Distributors without stock: 1

Farnell element14

ProductStockPriceBuy
LTC3727EG#PBF 0
18.44 GBP
107.88 GBP
257.08 GBP
505.30 GBP
1004.98 GBP
Buy Now

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3727. Or, compare LTC3727 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3727-1 LTC3727-1 product overviewLTC3727-1 product overview Linear Technology QFN-32, SSOP-28
0% LTC3727A-1 LTC3727A-1 product overviewLTC3727A-1 product overview Linear Technology SSOP-28

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3727.

V-IN max. 36 V, I-OUT 25 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)
744302015 0.2 30.0 32.0 0.24 6.95 x 6.8 x 4.7
744303015 0.2 31.0 42.0 0.33 10 x 6.8 x 5
744303022 0.2 31.0 32.0 0.33 10 x 6.8 x 5
744304016 0.2 26.0 32.0 0.17 11.5 x 11.8 x 4
744305022 0.2 28.0 42.0 0.16 13.5 x 13.3 x 5.2
744306020 0.2 26.0 36.0 0.30 10.5 x 10.3 x 5.5
744306025 0.3 26.0 32.0 0.30 10.5 x 10.3 x 5.5
744307016 0.2 29.0 41.0 0.33 7.4 x 7.2 x 7.2
744308015 0.2 27.0 58.0 0.37 10.1 x 7 x 7
744308020 0.2 27.0 48.0 0.37 10.1 x 7 x 7
744308025 0.3 27.0 44.0 0.37 10.1 x 7 x 7
7443081018 0.2 38.0 60.0 0.29 9.4 x 6.2 x 8.1
7443081022 0.2 38.0 45.0 0.29 9.4 x 6.2 x 8.1
744325016 0.2 25.0 58.0 0.51 10.5 x 10.2 x 5
7443320022 0.2 27.0 60.0 1.10 12.1 x 11.4 x 10
744355019 0.2 29.0 60.0 0.50 13 x 12.8 x 5
744355215 0.2 25.0 60.0 0.58 10.5 x 10.2 x 4.2
744373770022 0.2 25.0 40.0 0.75 13.5 x 12.6 x 3.5
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