LTC3878 Buck Controller overview



LTC3878 is a 1 channel, 1 phase sync Buck Controller. The maximum input voltage ranges from 4.00 V to 38.00 V and output current goes up to 25.00 A.

The Controller features adjustable 2000 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3878 is available in 1 package option(s): SSOP-16 .

Parameter and features overview

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Nr. of Channel 1
V-IN min. 4.00 V
V-IN max. 38.00 V
I-OUT? 25.00 A
V-OUT min. 0.80 V
V-OUT max. 34.20 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ. 2000 kHz
Frequency adj. adjustable
Frequency adj. min.
Frequency adj. max. 2000 kHz
ext.clock sync. no
ext.clock Frequency min.
ext.clock Frequency max.
Softstart adjustable
Tracking no
Power Good (PG)
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 1

LTC3878 Datasheet

Link to the most up-to-date LTC3878 datasheet and the product page for EVM, tools and support information.


LTC3878 inventory, samples and price

Available Distributors with stock: 0

no online Distributor with LTC3878 stock available

Available Distributors with stock: 0

no online Distributor with LTC3878 stock available

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3878. Or, compare LTC3878 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3833 LTC3833 product overviewLTC3833 product overview Linear Technology QFN-20, TSSOP-20
0% LTC3866 LTC3866 product overviewLTC3866 product overview Linear Technology QFN-24, TSSOP-24
0% LTC3867 LTC3867 product overviewLTC3867 product overview Linear Technology QFN-24
0% LTC3879 LTC3879 product overviewLTC3879 product overview Linear Technology MS-16, QFN-16
10% LT3741 LT3741 product overviewLT3741 product overview Linear Technology QFN-20
25% LTC3703 LTC3703 product overviewLTC3703 product overview Linear Technology SSOP-16
25% LTC3703-5 LTC3703-5 product overviewLTC3703-5 product overview Linear Technology SSOP-16
25% LTC3810-5 LTC3810-5 product overviewLTC3810-5 product overview Linear Technology QFN-32
25% LTC3823 LTC3823 product overviewLTC3823 product overview Linear Technology QFN-32, SSOP-28

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3878.

V-IN max. 38 V, I-OUT 25 A, V-OUT min. 0.8 V, Frequency typ. 2000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
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