LTC3729 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3729 is a 1 channel, 12 phase sync Buck Controller. The maximum input voltage ranges from 4.00 V to 36.00 V and output current goes up to 240.00 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 LTC3729 is available in 1 package option(s): SSOP-28 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 4.00 V
V-IN max. 36.00 V
I-OUT? 240.00 A
V-OUT min. 0.80 V
V-OUT max. 5.00 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. 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
Single/ Multiphase multi
Nr. of Phases 12
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN
SO/SOIC
SOP SSOP-28
DIP

LTC3729 Datasheet

Link to the most up-to-date LTC3729 datasheet and the product page for EVM, tools and support information.

LTC3729

LTC3729 inventory, samples and price

OEMSecrets.com
findchips.com

Available Distributors with stock: 2

Chip One Stop (4)

ProductStockPriceBuy
LTC3729EG#PBF393
18.68 USD
1007.68 USD
Buy Now
LTC3729EUH1644
131572.90 USD
Buy Now
LTC3729EUH#PBF408
19.69 USD
Buy Now
LTC3729LEUH-6#PBF116
110.20 USD
1009.10 USD
Buy Now

Digi-Key (3)

ProductStockPriceBuy
LTC3729EG#PBF1226
112.17 USD
258.08 USD
1006.04 USD
Buy Now
LTC3729EUH#PBF821
112.43 USD
258.83 USD
1007.27 USD
Buy Now
DC509B1
1178.50 USD
Buy Now
LTC3729EG#TRPBF0
20006.14 USD
Buy Now
LTC3729LEUH-6#PBF0
1466.82 USD
Buy Now
LTC3729LEUH-6#TRPBF0
25006.93 USD
Buy Now
LTC3729EUH#TRPBF0
25007.37 USD
Buy Now

Available Distributors without stock: 1

Newark Electronics (0)

ProductStockPriceBuy
LTC3729EG#PBF0
112.02 USD
257.94 USD
1005.98 USD
Buy Now
LTC3729EUH#PBF0
112.20 USD
258.63 USD
1007.13 USD
Buy Now

Available Distributors with stock: 9

Arrow Electronics

ProductStockPriceBuy
LTC3729EG#TR 2000
200010.74 $
Buy Now
LTC3729EUH 1897
110.78 $
4398.09 $
13155.39 $
Buy Now
LTC3729EUH#PBF 408
18.66 $
1007.13 $
Buy Now
LTC3729EG#PBF 243
16.86 $
1005.92 $
Buy Now
LTC3729LEUH-6#PBF 116
18.13 $
1006.69 $
Buy Now
LTC3729EG#TRPBF 0
20006.02 $
Buy Now
LTC3729LEUH-6#TRPBF 0
25006.79 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3729EG#PBF 1226
1005.05 €
256.77 €
110.19 €
Buy Now
LTC3729EUH#PBF 821
1006.09 €
257.39 €
110.40 €
Buy Now
DC509B 1
1149.40 €
Buy Now
LTC3729EG#TRPBF 0
20005.14 €
Buy Now
LTC3729LEUH-6#PBF 0
1465.71 €
Buy Now
LTC3729LEUH-6#TRPBF 0
25005.80 €
Buy Now
LTC3729EUH#TRPBF 0
25006.17 €
Buy Now
show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
LTC3729EUH#PBF 365
112.46 $
1011.42 $
258.84 $
1007.28 $
Buy Now
LTC3729EG#PBF 141
112.20 $
1011.18 $
258.09 $
1006.04 $
Buy Now
LTC3729EUH#TRPBF 0
25007.38 $
Buy Now
LTC3729LEUH-6#PBF 0
1466.83 $
Buy Now
LTC3729EG#TRPBF 0
20006.15 $
Buy Now
LTC3729LEUH-6#TRPBF 0
25006.93 $
Buy Now
LTC3729EG 0 Buy Now
LTC3729EUH 0 Buy Now
LTC3729LEUH-6 0 Buy Now
LTC3729LEUH-6#TR 0 Buy Now
LTC3729EG#TR 0 Buy Now
LTC3729EUH#TR 0 Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LTC3729EUH 5
18.25 $
Buy Now

Quest Components

ProductStockPriceBuy
LTC3729EG 6 Buy Now
LTC3729EG#PBF 72
327.87 $
98.13 $
110.16 $
Buy Now
LTC3729EUH 25
68.03 $
110.70 $
Buy Now
LTC3729EUH 4
111.00 $
Buy Now

Ameya Holding Limited

ProductStockPriceBuy
LTC3729EUH 12
2301.33 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LTC3729LEUH6PBF 73

Chip One Exchange

ProductStockPriceBuy
LTC3729EG 50

Chip1Stop

ProductStockPriceBuy
LTC3729EG#PBF 243
18.68 $
1007.68 $
Buy Now
LTC3729EUH#PBF 408
19.69 $
Buy Now
LTC3729EUH 1644
131572.90 $
Buy Now
LTC3729LEUH-6#PBF 116
110.20 $
1009.10 $
Buy Now

Available Distributors without stock: 1

Newark element14

ProductStockPriceBuy
LTC3729EG#PBF 0
112.02 $
257.94 $
1005.98 $
Buy Now
LTC3729EUH#PBF 0
112.20 $
258.63 $
1007.13 $
Buy Now

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3729. Or, compare LTC3729 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
25% LTC3729L-6 LTC3729L-6 product overviewLTC3729L-6 product overview Linear Technology SSOP-28

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3729.

V-IN max. 36 V, I-OUT 240 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)
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