LTC3802 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3802 is a 2 channel, 2 phase sync Buck Controller. The maximum input voltage ranges from 3.00 V to 30.00 V and output current goes up to 25.00 A.

The Controller features adjustable 750 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3802 is available in 2 package option(s): QFN-32 SSOP-28 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 3.00 V
V-IN max. 30.00 V
I-OUT? 25.00 A
V-OUT min. 0.60 V
V-OUT max. 27.00 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ. 750 kHz
Frequency adj. adjustable
Frequency adj. min.
Frequency adj. max.
ext.clock sync. yes
ext.clock Frequency min. 330 kHz
ext.clock Frequency max. 750 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 yes
Single/ Multiphase multi
Nr. of Phases 2
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

LTC3802 Datasheet

Link to the most up-to-date LTC3802 datasheet and the product page for EVM, tools and support information.

LTC3802

LTC3802 inventory, samples and price

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Available Distributors with stock: 2

ARROW-NAC (2)

ProductStockPriceBuy
LTC3802EGN57
19.63 USD
507.00 USD
Buy Now
LTC3802EUH#PBF179
15.71 USD
1005.11 USD
Buy Now

Chip-One-Stop (3)

ProductStockPriceBuy
LTC3802EGN82
180.30 USD
575.70 USD
1071.40 USD
2569.80 USD
5069.00 USD
Buy Now
LTC3802EUH#PBF179
18.69 USD
57.42 USD
107.25 USD
506.83 USD
1006.44 USD
Buy Now
LTC3802EUH#PBF179
18.69 USD
57.42 USD
107.25 USD
506.83 USD
1006.44 USD
Buy Now

Available Distributors without stock: 2

DIGI-KEY (0)

ProductStockPriceBuy
LTC3802EGN#PBF0
1475.11 USD
Buy Now
LTC3802EUH#PBF0
1465.11 USD
Buy Now
LTC3802EGN#TRPBF0
25005.21 USD
Buy Now
LTC3802EUH#TRPBF0
25005.21 USD
Buy Now

NEWARK (0)

ProductStockPriceBuy
LTC3802EGN#PBF0
19.71 USD
256.44 USD
1005.11 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3802 stock available

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3802. Or, compare LTC3802 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3773 LTC3773 product overviewLTC3773 product overview Linear Technology QFN-38, SSOP-36
25% LTC3826 LTC3826 product overviewLTC3826 product overview Linear Technology QFN-32
25% LTC3826-1 LTC3826-1 product overviewLTC3826-1 product overview Linear Technology SSOP-28
25% LTC3858-2 LTC3858-2 product overviewLTC3858-2 product overview Linear Technology QFN-32
25% LTC3880 LTC3880 product overviewLTC3880 product overview Linear Technology QFN-40
25% LTC3890 LTC3890 product overviewLTC3890 product overview Linear Technology QFN-32
25% LTC3890-1 LTC3890-1 product overviewLTC3890-1 product overview Linear Technology SSOP-28
25% LTC3890-2 LTC3890-2 product overviewLTC3890-2 product overview Linear Technology QFN-32
25% LTC3890-3 LTC3890-3 product overviewLTC3890-3 product overview Linear Technology SSOP-28

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3802.

V-IN max. 30 V, I-OUT 25 A, V-OUT min. 0.6 V, Frequency typ. 750 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744302010 0.1 30.0 45.0 0.24 6.95 x 6.8 x 4.7
744302015 0.2 30.0 32.0 0.24 6.95 x 6.8 x 4.7
744303012 0.1 31.0 55.0 0.33 10 x 6.8 x 5
744304010 0.1 26.0 52.0 0.17 11.5 x 11.8 x 4
744307012 0.1 29.0 48.0 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
744355215 0.2 25.0 60.0 0.58 10.5 x 10.2 x 4.2
0Results
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