LM27342 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LM27342 is a 20.00 V non-sync Buck Converter from with 2.00 A output current. The maximum 20.00 V input voltage can be regulated down into a 1.00 V to 18.00 V output voltage.

It requires are a typical inductor size of 1.50 µH, a typical external component count of 7 and achieves a peak efficiency of 90 %. Further LM27342 characteristics are a fixed 2000 kHz switching frequency and 2 available package option(s): MSOP-10 SON-10 .

For the LM27342 replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

ParameterValueReplacement
Search Filter
V-IN min. 3.00 V
V-IN max. 20.00 V
I-OUT? 2.00 A
V-OUT min. 1.00 V
V-OUT max. 18.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 2000 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 1000 kHz
Frequency adj./ ext.clock max 2350 kHz
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. -2400 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 165 °C
Inductor size typ. 1.50 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 90 %
Component count min. 7
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT
MSOP MSOP-10
QFN/DFN SON-10
SO/SOIC
SOP
DIP
TO
DDPAK

LM27342 Datasheet

Link to the most up-to-date LM27342 datasheet and the product page for EVM, tools and support information.

LM27342

LM27342 Sample stock and distributor price breaks

LM27342 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LM27342 stock available

Available Distributors with stock: 10

Arrow Electronics

ProductStockPriceBuy
LM27342MY/NOPB 2
12.73 $
Buy Now

Digi-Key

ProductStockPriceBuy
LM27342MYX/NOPB 2200
10001.32 €
5001.57 €
1001.84 €
102.25 €
12.50 €
Buy Now
LM27342MYX/NOPB 2200
10001.32 €
5001.57 €
1001.84 €
102.25 €
12.50 €
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LM27342SDX/NOPB 1731
10001.32 €
5001.57 €
1001.84 €
102.25 €
12.50 €
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LM27342SDX/NOPB 1731
10001.32 €
5001.57 €
1001.84 €
102.25 €
12.50 €
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LM27342QMYX/NOPB 1610
10001.56 €
5001.85 €
1002.17 €
102.65 €
12.95 €
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LM27342QMYX/NOPB 1610
10001.56 €
5001.85 €
1002.17 €
102.65 €
12.95 €
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LM27342QMY/NOPB 1380
5001.85 €
1002.17 €
102.65 €
12.95 €
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LM27342QMY/NOPB 1380
5001.85 €
1002.17 €
102.65 €
12.95 €
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LM27342MYX/NOPB 0
70001.17 €
35001.22 €
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LM27342SDX/NOPB 0
45001.22 €
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LM27342QMYX/NOPB 0
35001.44 €
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LM27342QMY/NOPB 0
50001.38 €
20001.44 €
10001.51 €
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LM27342MY/NOPB 0
50001.17 €
20001.22 €
10001.28 €
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LM27342MY/NOPB 0
5001.57 €
1001.84 €
102.25 €
12.50 €
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LM27342MY/NOPB 0
5001.57 €
1001.84 €
102.25 €
12.50 €
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Verical

ProductStockPriceBuy
LM27342QMYX/NOPB 7000
35001.62 $
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LM27342SD/NOPB 6000
20001.32 $
10001.33 $
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LM27342QMY/NOPB 2000
10001.58 $
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LM27342SDEVAL 18
154.58 $
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LM27342MYEVAL 10
154.58 $
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Newark element14

ProductStockPriceBuy
LM27342MY/NOPB 900
5001.75 $
2501.93 $
1002.06 $
502.21 $
252.36 $
102.51 $
12.80 $
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LM27342MYEVAL 5
120.93 $
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LM27342MY/NOPB . 0
5001.75 $
2501.93 $
1002.06 $
502.21 $
252.36 $
102.51 $
12.80 $
Buy Now
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TI store

ProductStockPriceBuy
LM27342MY/NOPB 5785
10001.20 $
7501.26 $
5001.49 $
2501.75 $
1001.87 $
252.13 $
102.29 $
12.55 $
Buy Now
LM27342MYEVAL 8
149.00 $
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LM27342SD/NOPB 4000
10001.20 $
7501.26 $
5001.49 $
2501.75 $
1001.87 $
252.13 $
102.29 $
12.55 $
Buy Now
LM27342SDX/NOPB 9000
10001.20 $
7501.26 $
5001.49 $
2501.75 $
1001.87 $
252.13 $
102.29 $
12.55 $
Buy Now
LM27342QMY/NOPB 3910
10001.42 $
7501.48 $
5001.76 $
2502.07 $
1002.21 $
252.52 $
102.70 $
13.00 $
Buy Now
LM27342SDEVAL 34
149.00 $
Buy Now

Rochester Electronics

ProductStockPriceBuy
LM27342MY/NOPB 66
10001.40 $
5001.47 $
1001.53 $
251.59 $
11.72 $
Buy Now
LM27342SD/NOPB 775
10001.40 $
5001.47 $
1001.53 $
251.59 $
11.72 $
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LM27342SDX/NOPB 13500
10001.40 $
5001.47 $
1001.53 $
251.59 $
11.72 $
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LM27342QMY/NOPB 5108
10001.65 $
5001.73 $
1001.80 $
251.88 $
12.02 $
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LM27342QMYX/NOPB 7000
10001.65 $
5001.73 $
1001.80 $
251.88 $
12.02 $
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LM27342MY/NOPB 41
10001.40 $
5001.47 $
1001.53 $
251.59 $
11.72 $
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LM27342QMY/NOPB 827
10001.65 $
5001.73 $
1001.80 $
251.88 $
12.02 $
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LM27342QMYX/NOPB 6857
10001.65 $
5001.73 $
1001.80 $
251.88 $
12.02 $
Buy Now
LM27342SD/NOPB 4900
10001.40 $
5001.47 $
1001.53 $
251.59 $
11.72 $
Buy Now
LM27342SDEVAL 3
100037.83 $
50039.82 $
10041.46 $
2543.23 $
146.56 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LM27342QMY/NOPB 800
13.30 $
102.97 $
1002.43 $
2502.28 $
5002.06 $
10001.74 $
20001.65 $
50001.59 $
Buy Now
LM27342SDEVAL 3
150.73 $
Buy Now
LM27342SD/NOPB 83
12.80 $
102.51 $
1002.06 $
2501.93 $
5001.75 $
10001.47 $
20001.40 $
50001.35 $
Buy Now
LM27342MYEVAL 2
150.73 $
Buy Now
LM27342MY/NOPB 0
12.80 $
102.51 $
1002.06 $
2501.93 $
5001.75 $
10001.47 $
20001.40 $
50001.35 $
Buy Now
LM27342SDX/NOPB 0
45001.35 $
Buy Now
LM27342QMYX/NOPB 0
35001.65 $
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LM27342MYX/NOPB 0
35001.40 $
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show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LM27342QMY 549 Buy Now
LM27342SD/NOPB 765 Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LM27342MY/NOPB 1059
11.72 SGD
Buy Now
LM27342SD/NOPB 0
50002.14 SGD
20002.22 SGD
10002.34 SGD
5002.78 SGD
2503.06 SGD
1003.26 SGD
103.97 SGD
14.44 SGD
Buy Now
LM27342MY/NOPB . 15
50002.14 SGD
20002.22 SGD
10002.34 SGD
5002.78 SGD
2503.06 SGD
1003.26 SGD
103.97 SGD
14.44 SGD
Buy Now
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Farnell element14

ProductStockPriceBuy
LM27342MY/NOPB . 15
1001.50 GBP
501.61 GBP
251.72 GBP
101.84 GBP
12.31 GBP
Buy Now

Available Distributors without stock: 1

Avnet

ProductStockPriceBuy
LM27342MYEVAL 0
150.69 $
Buy Now
LM27342SDEVAL 0
150.69 $
Buy Now
LM27342MY/NOPB 0
10001.49 $
20001.39 $
40001.39 $
60001.29 $
100001.29 $
Buy Now
LM27342SD/NOPB 0
10001.49 $
20001.39 $
40001.39 $
60001.29 $
100001.29 $
Buy Now
LM27342MY/NOPB 0
LM27342MYX/NOPB 0
35001.49 $
70001.39 $
140001.39 $
210001.29 $
350001.29 $
Buy Now
LM27342QMY/NOPB 0
10001.79 $
20001.69 $
40001.59 $
60001.59 $
100001.49 $
Buy Now
LM27342SDX/NOPB 0
45001.49 $
90001.39 $
180001.39 $
270001.29 $
450001.29 $
Buy Now
LM27342QMYX/NOPB 0
35001.79 $
70001.69 $
140001.59 $
210001.59 $
350001.49 $
Buy Now
LM27342QMYX/NOPB 0

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LM27342. Optional, compare LM27342 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% MAX16907 MAX16907 product overviewMAX16907 product overview Maxim TSSOP-EP-16, TQFN-16
0% MAX16936 MAX16936 product overviewMAX16936 product overview Maxim TQFN-32
0% MAX16974 MAX16974 product overviewMAX16974 product overview Maxim TSSOP-EP-16, TQFN-16
0% MAX16977 MAX16977 product overviewMAX16977 product overview Maxim TSSOP-EP-16, TQFN-16
0% MAX5088 MAX5088 product overviewMAX5088 product overview Maxim TQFN-16
0% MAX5089 MAX5089 product overviewMAX5089 product overview Maxim TQFN-16
0% MP2377 MP2377 product overviewMP2377 product overview MPS SOIC-8
0% NJW4154 NJW4154 product overviewNJW4154 product overview New Japan Radio TO252-5, HSOP-8
0% NCV890201 NCV890201 product overviewNCV890201 product overview ON Semiconductor DFN-10
0% NCV890231 NCV890231 product overviewNCV890231 product overview ON Semiconductor SOIC-8
0% BD9876 BD9876 product overviewBD9876 product overview Rohm HTSOP-8
0% A7985A A7985A product overviewA7985A product overview ST HSOP-8
0% A7986A A7986A product overviewA7986A product overview ST HSOP-8
0% LM27342-Q1 LM27342-Q1 product overviewLM27342-Q1 product overview Texas Instruments SON-10, MSOP-10
0% LMR12020 LMR12020 product overviewLMR12020 product overview Texas Instruments SON-10
10% IFX91041EJ V IFX91041EJ V product overviewIFX91041EJ V product overview Infineon PG-DSO-8
10% TLE8366 TLE8366 product overviewTLE8366 product overview Infineon DSO-8
25% IXD3250-3 IXD3250-3 product overviewIXD3250-3 product overview IXYS SOP-8
25% IXD3250-5 IXD3250-5 product overviewIXD3250-5 product overview IXYS SOP-8
25% IXD3251-3 IXD3251-3 product overviewIXD3251-3 product overview IXYS SOP-8
25% IXD3251-5 IXD3251-5 product overviewIXD3251-5 product overview IXYS SOP-8
25% LT3434 LT3434 product overviewLT3434 product overview Linear Technology TSSOP-16
25% LT3435 LT3435 product overviewLT3435 product overview Linear Technology TSSOP-16
25% MAX5082 MAX5082 product overviewMAX5082 product overview Maxim TQFN-16
25% MAX5083 MAX5083 product overviewMAX5083 product overview Maxim TQFN-16
25% MAX5090 MAX5090 product overviewMAX5090 product overview Maxim TQFN-16
25% CS51411 CS51411 product overviewCS51411 product overview ON Semiconductor SOIC-8, DFN-18
25% CS51413 CS51413 product overviewCS51413 product overview ON Semiconductor SOIC-8, DFN-18
25% NCV51411 NCV51411 product overviewNCV51411 product overview ON Semiconductor SOIC-8, DFN-18
25% NCV8842 NCV8842 product overviewNCV8842 product overview ON Semiconductor DFN-18
25% NCV8843 NCV8843 product overviewNCV8843 product overview ON Semiconductor SOIC-8, DFN-18
25% LM27341 LM27341 product overviewLM27341 product overview Texas Instruments SON-10, MSOP-10
25% LM27341-Q1 LM27341-Q1 product overviewLM27341-Q1 product overview Texas Instruments SON-10, MSOP-10
25% LMR12015 LMR12015 product overviewLMR12015 product overview Texas Instruments SON-10
25% XC9250-3 XC9250-3 product overviewXC9250-3 product overview Torex SOP-8
25% XC9250-5 XC9250-5 product overviewXC9250-5 product overview Torex SOP-8
25% XC9251-3 XC9251-3 product overviewXC9251-3 product overview Torex SOP-8
25% XC9251-5 XC9251-5 product overviewXC9251-5 product overview Torex SOP-8
25% XC9270-C XC9270-C product overviewXC9270-C product overview Torex SOP-8
25% XC9270-D XC9270-D product overviewXC9270-D product overview Torex SOP-8
25% XC9271-C XC9271-C product overviewXC9271-C product overview Torex SOP-8
25% XC9271-D XC9271-D product overviewXC9271-D product overview Torex SOP-8
50% LT1976 LT1976 product overviewLT1976 product overview Linear Technology TSSOP-16
50% LT1977 LT1977 product overviewLT1977 product overview Linear Technology TSSOP-16
50% MAX15014 MAX15014 product overviewMAX15014 product overview Maxim TQFN-36
50% MAX15015 MAX15015 product overviewMAX15015 product overview Maxim TQFN-36
50% MAX15016 MAX15016 product overviewMAX15016 product overview Maxim TQFN-36
50% MAX15017 MAX15017 product overviewMAX15017 product overview Maxim TQFN-36
50% MAX1684 MAX1684 product overviewMAX1684 product overview Maxim QSOP-16
50% MAX1685 MAX1685 product overviewMAX1685 product overview Maxim QSOP-16
50% MAX16975 MAX16975 product overviewMAX16975 product overview Maxim QSOP-EP-16
50% MAX5080 MAX5080 product overviewMAX5080 product overview Maxim TQFN-32
50% MAX5081 MAX5081 product overviewMAX5081 product overview Maxim TQFN-16
50% NCP1547 NCP1547 product overviewNCP1547 product overview ON Semiconductor SOIC-8, DFN-18
50% NCV890101 NCV890101 product overviewNCV890101 product overview ON Semiconductor DFN-10
50% NCV890131 NCV890131 product overviewNCV890131 product overview ON Semiconductor DFN-10
50% LM2672 LM2672 product overviewLM2672 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LM27342.

V-IN max. 20 V, I-OUT 2 A, V-OUT min. 1 V, Frequency typ. 2000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74402500072 0.7 3.0 4.0 23.50 2.8 x 2.8 x 3
744040240068 0.7 2.5 3.5 35.00 2.5 x 2 x 1.2
74404200056 0.6 3.1 3.0 19.00 4.8 x 4.8 x 2
74404300082 0.8 3.5 3.7 14.00 4.8 x 4.8 x 3
74406800056 0.6 3.4 4.0 22.00 8 x 8 x 1.2
74407000082 0.8 6.2 5.5 8.50 8 x 8 x 2
744383230068 0.7 3.1 4.7 46.00 2.5 x 2 x 1
744383230082 0.8 2.6 4.3 53.00 2.5 x 2 x 1
744383240056 0.6 3.3 6.0 37.00 2.5 x 2 x 1.2
744383240068 0.7 3.2 5.9 45.00 2.5 x 2 x 1.2
744383430056 0.6 2.1 5.0 56.00 2.5 x 1.6 x 0.6
744383430068 0.7 2.0 4.7 65.00 2.5 x 1.6 x 0.6
74479276168 0.7 2.5 3.4 45.00 2 x 1.6 x 1
784383230068 0.7 3.1 4.7 46.00 2.5 x 2 x 1
784383230082 0.8 2.6 4.3 53.00 2.5 x 2 x 1
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