LM5119Q Buck Controller overview

Description

Manufacturer
 
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: 2

Avnet America (1)

ProductStockPriceBuy
LM5119QPSQ/NOPB0
10004.69 USD
20004.49 USD
40004.29 USD
60004.19 USD
100004.09 USD
Buy Now
LM5119QPSQ/NOPB/BKN150
15.89 USD
105.69 USD
255.49 USD
505.29 USD
1255.19 USD
Buy Now
LM5119QPSQX/NOPB0
45004.69 USD
90004.49 USD
180004.29 USD
270004.19 USD
450004.09 USD
Buy Now

Texas Instruments (1)

ProductStockPriceBuy
LM5119QPSQ/NOPB1532
17.21 USD
106.48 USD
256.05 USD
1005.43 USD
2505.07 USD
5004.41 USD
7503.82 USD
10003.74 USD
Buy Now

Available Distributors without stock: 4

Avnet Europe (0)

ProductStockPriceBuy
LM5119QPSQ/NOPB0Buy Now

Digi-Key (0)

ProductStockPriceBuy
LM5119QPSQX/NOPB0
45004.28 USD
Buy Now
LM5119QPSQ/NOPB0
10004.44 USD
Buy Now

Mouser-Electronics (0)

ProductStockPriceBuy
LM5119QPSQ/NOPBNone
18.03 USD
107.26 USD
256.71 USD
1006.01 USD
2505.70 USD
5005.23 USD
10004.56 USD
20004.39 USD
Buy Now
LM5119QPSQX/NOPBNone
45004.39 USD
Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 3

Avnet

ProductStockPriceBuy
LM5119QPSQ/NOPB 150
15.89 $
105.69 $
255.49 $
505.29 $
1255.19 $
2504.99 $
5004.89 $
Buy Now
LM5119QPSQ/NOPB 0
10004.69 $
20004.49 $
40004.29 $
60004.19 $
100004.09 $
Buy Now
LM5119QPSQ/NOPB 0
14.99 €
104.69 €
254.39 €
504.19 €
1003.99 €
5003.79 €
10003.59 €
Buy Now
LM5119QPSQX/NOPB 0
45004.69 $
90004.49 $
180004.29 $
270004.19 $
450004.09 $
Buy Now
show stock=0hide stock=0

Texas Instruments

ProductStockPriceBuy
LM5119QPSQ/NOPB 1532
10003.74 $
7503.82 $
5004.41 $
2505.07 $
1005.43 $
256.05 $
106.48 $
17.21 $
Buy Now

Rochester Electronics

ProductStockPriceBuy
LM5119QPSQ/NOPB 1435
10005.38 $
5005.67 $
1005.90 $
256.15 $
16.62 $
Buy Now

Available Distributors without stock: 3

Arrow Electronics

ProductStockPriceBuy
LM5119QPSQX/NOPB 0
45004.20 $
225004.20 $
450004.20 $
Buy Now
LM5119QPSQ/NOPB 0
10004.20 $
100004.19 $
500004.17 $
1000004.16 $
Buy Now

Digi-Key

ProductStockPriceBuy
LM5119QPSQX/NOPB 0
45003.45 €
Buy Now
LM5119QPSQ/NOPB 0
10003.58 €
Buy Now

Mouser Electronics

ProductStockPriceBuy
LM5119QPSQ/NOPB 0
17.83 $
107.08 $
256.55 $
1005.86 $
2505.56 $
5005.10 $
10004.45 $
Buy Now
LM5119QPSQX/NOPB 0
45004.28 $
Buy Now

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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