LM5119Q Buck Controller overview

Description

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Category
Sub-Category

LM5119Q is a 2 channel, 2 phase sync Buck Controller. The maximum input voltage ranges from 5.50 V to 65.00 V and output current goes up to 15.00 A.

The Controller features adjustable 750 kHz switching frequency which results in a typical inductor size of 16.5 uH and a peak efficiency of %. The LM5119Q is available in 1 package option(s): WQFN-32 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 5.50 V
V-IN max. 65.00 V
I-OUT? 15.00 A
V-OUT min. 0.80 V
V-OUT max. 64.00 V
V-OUT adjustable
V-OUT programmable yes
sync/non-sync sync
Frequency typ. 750 kHz
Frequency adj. adjustable
Frequency adj. min. 50 kHz
Frequency adj. max. 750 kHz
ext.clock sync. no
ext.clock Frequency min.
ext.clock Frequency max.
Softstart yes
Softstart adjustable yes
Tracking yes
Power Good (PG) yes
Enable yes
Operating min. -40 °C
Operating max. 125 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 165 °C
Inductor size typ. 16.5 uH
Automotive AEC-Q100 yes
Light-Load Mode yes
Single/ Multiphase multi
Nr. of Phases 2
Peak Efficiency
component count min. 38
current limit adjustable yes
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN WQFN-32
SO/SOIC
SOP
DIP

LM5119Q Datasheet

Link to the most up-to-date LM5119Q datasheet and the product page for EVM, tools and support information.

LM5119Q

LM5119Q inventory, samples and price

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Available Distributors with stock: 3

AVNET-AMERICAS (1)

ProductStockPriceBuy
LM5119QPSQ/NOPB0
10006.04 USD
20005.63 USD
40005.28 USD
60004.95 USD
100004.81 USD
Buy Now
LM5119QPSQ/NOPB/BKN495
17.96 USD
107.63 USD
257.33 USD
507.06 USD
1256.80 USD
Buy Now
LM5119QPSQX/NOPB0
45006.04 USD
90005.63 USD
180005.28 USD
270004.95 USD
450004.81 USD
Buy Now

Chip-One-Stop (1)

ProductStockPriceBuy
LM5119QPSQ/NOPB2000
10004.03 USD
Buy Now

Texas Instruments (1)

ProductStockPriceBuy
LM5119QPSQ/NOPB1794
18.42 USD
107.67 USD
256.92 USD
1006.36 USD
2505.80 USD
5005.01 USD
7504.34 USD
10003.74 USD
Buy Now

Available Distributors without stock: 3

AVNET-EUROPE (0)

ProductStockPriceBuy
LM5119QPSQ/NOPB0Buy Now

DIGI-KEY (0)

ProductStockPriceBuy
LM5119QPSQ/NOPB0
10004.21 USD
Buy Now
LM5119QPSQX/NOPB0
45004.21 USD
Buy Now

Mouser-Electronics (0)

ProductStockPriceBuy
LM5119QPSQ/NOPBNone
10004.37 USD
Buy Now
LM5119QPSQX/NOPBNone
45004.37 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LM5119Q stock available

Table with equivalents and alternatives

The following Buck Controller are similar to LM5119Q. Or, compare LM5119Q 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 LM5119Q.

V-IN max. 65 V, I-OUT 15 A, V-OUT min. 0.8 V, Frequency typ. 750 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744303022 0.2 31.0 32.0 0.33 10 x 6.8 x 5
744304022 0.2 26.0 23.0 0.17 11.5 x 11.8 x 4
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
744306030 0.3 26.0 24.0 0.30 10.5 x 10.3 x 5.5
744307022 0.2 29.0 29.0 0.33 7.4 x 7.2 x 7.2
7443081030 0.3 38.0 32.0 0.29 9.4 x 6.2 x 8.1
744310024 0.2 18.0 40.0 1.80 7 x 6.9 x 3.3
744311022 0.2 21.0 32.0 1.10 7 x 6.9 x 4
744314024 0.2 20.0 28.0 1.00 7 x 6.9 x 5
744316022 0.2 20.0 25.0 1.25 5.5 x 5.3 x 4.3
7443340030 0.3 20.5 36.0 2.30 8.4 x 7.9 x 7.5
744355230 0.3 22.0 35.0 1.10 10.5 x 10.2 x 4.2
744373560022 0.2 20.0 40.0 1.47 8.64 x 8.5 x 3
744373770022 0.2 25.0 40.0 0.75 13.5 x 12.6 x 3.5
7447797022 0.2 16.0 32.0 2.90 10.2 x 10.2 x 4.5
7447798022 0.2 19.0 20.0 1.60 10.2 x 10.2 x 6.4
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