LT1912 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT1912 is a 36.00 V non-sync Buck Converter from with 2.00 A output current. The maximum 36.00 V input voltage can be regulated down into a 0.79 V to 20.00 V output voltage.

It requires are a typical inductor size of 6.80 µH, a typical external component count of 10 and achieves a peak efficiency of 90 %. Further LT1912 characteristics are a adjustable 200 kHz switching frequency and 2 available package option(s): MSOP-10 DFN-10 .

For the LT1912 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. 3.60 V
V-IN max. 36.00 V
I-OUT? 2.00 A
V-OUT min. 0.79 V
V-OUT max. 20.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 200 kHz
Frequency adjustable
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 200 kHz
Frequency adj./ ext.clock max 500 kHz
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 1700 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 6.80 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 90 %
Component count min. 10
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT
MSOP MSOP-10
QFN/DFN DFN-10
SO/SOIC
SOP
DIP
TO
DDPAK

LT1912 Datasheet

Link to the most up-to-date LT1912 datasheet and the product page for EVM, tools and support information.

LT1912

LT1912 Sample stock and distributor price breaks

LT1912 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 6

ARROW-NAC (2)

ProductStockPriceBuy
LT1912EMSE#PBF99
14.36 USD
1003.59 USD
Buy Now
LT1912EMSE#TRPBF1411
13.64 USD
Buy Now

Chip-One-Stop (4)

ProductStockPriceBuy
LT1912EDD#PBF121
15.06 USD
103.56 USD
503.44 USD
1003.38 USD
Buy Now
LT1912EDD#PBF1051
16.66 USD
105.60 USD
255.54 USD
505.29 USD
1005.16 USD
2004.92 USD
Buy Now
LT1912EMSE#PBF79
15.51 USD
105.51 USD
503.92 USD
Buy Now
LT1912EMSE#PBF426
17.06 USD
56.03 USD
105.89 USD
505.55 USD
1005.23 USD
2005.11 USD
Buy Now

DIGI-KEY (2)

ProductStockPriceBuy
LT1912EMSE#PBF1512
16.13 USD
254.36 USD
1003.59 USD
Buy Now
LT1912EDD#PBF380
15.93 USD
254.21 USD
1003.47 USD
Buy Now
LT1912EDD#TRPBF0
25003.57 USD
Buy Now
LT1912EMSE#TRPBF0
25003.69 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LT1912EDD#PBF7
19.48 USD
256.73 USD
1005.55 USD
Buy Now
LT1912EMSE#PBF0
19.80 USD
256.97 USD
1005.74 USD
Buy Now

FARNELL-ELEMENT14 (1)

ProductStockPriceBuy
LT1912EDD#PBF7Buy Now

RS-COMPONENTS (2)

ProductStockPriceBuy
LT1912EDD#PBF41Buy Now
LT1912EMSE#PBF25Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LT1912EDD#PBF0
15.94 USD
254.03 USD
1003.47 USD
Buy Now
LT1912EMSE#PBF0
16.11 USD
254.17 USD
1003.59 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LT1912 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1912. Optional, compare LT1912 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% A8582 A8582 product overviewA8582 product overview Allegro TSSOP-16
0% A8583 A8583 product overviewA8583 product overview Allegro TSSOP-16
0% A8584 A8584 product overviewA8584 product overview Allegro TSSOP-16
0% LT3480 LT3480 product overviewLT3480 product overview Linear Technology DFN-10, MSOP-10
0% LT3680 LT3680 product overviewLT3680 product overview Linear Technology DFN-10, MSOP-10
0% LT3685 LT3685 product overviewLT3685 product overview Linear Technology DFN-10, MSOP-10
0% LT3693 LT3693 product overviewLT3693 product overview Linear Technology DFN-10, MSOP-10
0% LT3980 LT3980 product overviewLT3980 product overview Linear Technology DFN-14, MSOP-16
0% MAX15020 MAX15020 product overviewMAX15020 product overview Maxim TQFN-20
0% MP2560 MP2560 product overviewMP2560 product overview MPS SOIC-8E, QFN-10
0% MPQ4460 MPQ4460 product overviewMPQ4460 product overview MPS QFN-10
0% MPQ4560 MPQ4560 product overviewMPQ4560 product overview MPS SOIC-8E, QFN-10
0% L4973 L4973 product overviewL4973 product overview ST PowerDIP-18, SO-20
0% L7985 L7985 product overviewL7985 product overview ST HSOP-8, DFN-10
0% L7986 L7986 product overviewL7986 product overview ST HSOP-8, DFN-10
0% L7986TA L7986TA product overviewL7986TA product overview ST HSOP-8
0% TPS54240 TPS54240 product overviewTPS54240 product overview Texas Instruments SON-10, MSOP-10
0% TPS54240-Q1 TPS54240-Q1 product overviewTPS54240-Q1 product overview Texas Instruments SON-10, MSOP-10
0% TPS54340 TPS54340 product overviewTPS54340 product overview Texas Instruments HSOIC-8
0% TPS54340-Q1 TPS54340-Q1 product overviewTPS54340-Q1 product overview Texas Instruments HSOIC-8
0% TPS54360 TPS54360 product overviewTPS54360 product overview Texas Instruments HSOIC-8
0% TPS54360-Q1 TPS54360-Q1 product overviewTPS54360-Q1 product overview Texas Instruments HSOIC-8
0% TPS54361 TPS54361 product overviewTPS54361 product overview Texas Instruments WSON-10
0% TPS54361-Q1 TPS54361-Q1 product overviewTPS54361-Q1 product overview Texas Instruments WSON-10
10% LT3972 LT3972 product overviewLT3972 product overview Linear Technology DFN-10, MSOP-10
10% TPS54262-Q1 TPS54262-Q1 product overviewTPS54262-Q1 product overview Texas Instruments HTSSOP-20
10% TPS54362-Q1 TPS54362-Q1 product overviewTPS54362-Q1 product overview Texas Instruments HTSSOP-20
10% R1270S R1270S product overviewR1270S product overview Ricoh HSOP-18
25% MAX16909 MAX16909 product overviewMAX16909 product overview Maxim TSSOP-EP-16, TQFN-16
25% MP1584 MP1584 product overviewMP1584 product overview MPS SOIC-8
25% MPQ4459 MPQ4459 product overviewMPQ4459 product overview MPS TQFN-10
25% MPQ4559 MPQ4559 product overviewMPQ4559 product overview MPS QFN-10
25% MPQ4561 MPQ4561 product overviewMPQ4561 product overview MPS QFN-10
25% L7980 L7980 product overviewL7980 product overview ST HSOP-8, DFN-8
25% L7981 L7981 product overviewL7981 product overview ST HSOP-8, DFN-8
25% TPS54140A TPS54140A product overviewTPS54140A product overview Texas Instruments SON-10, MSOP-10
25% LMR14020 LMR14020 product overviewLMR14020 product overview Texas Instruments HSOIC-8
50% LT3682 LT3682 product overviewLT3682 product overview Linear Technology DFN-12
50% LT3686A LT3686A product overviewLT3686A product overview Linear Technology DFN-10
50% LT3695 LT3695 product overviewLT3695 product overview Linear Technology MSOP-16
50% LT3971 LT3971 product overviewLT3971 product overview Linear Technology DFN-10, MSOP-10
50% LT3971A LT3971A product overviewLT3971A product overview Linear Technology MSOP-8
50% LT3991 LT3991 product overviewLT3991 product overview Linear Technology DFN-10, MSOP-10
50% MP2498 MP2498 product overviewMP2498 product overview MPS QFN-28
50% MP2562 MP2562 product overviewMP2562 product overview MPS SOIC-8, QFN-10
50% MPQ4456 MPQ4456 product overviewMPQ4456 product overview MPS TQFN-10
50% MPQ4458 MPQ4458 product overviewMPQ4458 product overview MPS TQFN-10
50% MPQ4558 MPQ4558 product overviewMPQ4558 product overview MPS SOIC-8, QFN-10
50% L5981 L5981 product overviewL5981 product overview ST DFN-8
50% L5983 L5983 product overviewL5983 product overview ST DFN-8
50% L5985 L5985 product overviewL5985 product overview ST DFN-8
50% TPS54162-Q1 TPS54162-Q1 product overviewTPS54162-Q1 product overview Texas Instruments HTSSOP-20
50% TPS57160-Q1 TPS57160-Q1 product overviewTPS57160-Q1 product overview Texas Instruments SON-10, MSOP-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1912.

V-IN max. 36 V, I-OUT 2 A, V-OUT min. 0.79 V, Frequency typ. 200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404052047 4.7 2.3 2.7 55.90 5 x 5 x 2
74404052056 5.6 2.1 2.6 67.50 5 x 5 x 2
74404054047 4.7 3.0 3.8 30.00 5 x 5 x 4
74404054068 6.8 2.5 3.2 43.00 5 x 5 x 4
74404063047 4.7 3.1 3.3 30.00 6 x 6 x 2.8
74404063068 6.8 2.4 2.8 47.00 6 x 6 x 2.8
74404063082 8.2 2.3 2.5 55.00 6 x 6 x 2.8
74404064068 6.8 3.0 4.3 31.00 6 x 6 x 4.5
74404064082 8.2 2.6 4.3 43.00 6 x 6 x 4.5
74404084082 8.2 3.5 4.6 26.00 8 x 8 x 4.2
7440650047 4.7 4.6 4.2 16.50 10 x 10 x 3.1
7440650068 6.8 4.2 3.6 25.00 10 x 10 x 3.1
7440650082 8.2 3.8 2.8 28.50 10 x 10 x 3.1
7440660062 6.2 4.3 4.5 16.50 10 x 10 x 4.1
744071047 4.7 4.8 4.3 17.00 8 x 8 x 4.6
744071056 5.6 4.0 4.0 20.00 8 x 8 x 4.6
74408943047 4.7 2.2 3.2 45.00 4.8 x 4.8 x 4.1
74408943068 6.8 2.0 2.7 51.00 4.8 x 4.8 x 4.1
744314760 7.6 4.2 4.8 30.20 7 x 6.9 x 5
744314850 8.5 4.0 4.5 32.50 7 x 6.9 x 5
744316470 4.7 4.6 4.7 24.50 5.5 x 5.3 x 4.3
744316560 5.6 4.5 4.6 28.50 5.5 x 5.3 x 4.3
74437324047 4.7 2.2 4.0 95.00 4.45 x 4.06 x 2
74437324056 5.6 2.0 3.8 120.00 4.45 x 4.06 x 2
74438356047 4.7 2.9 4.7 63.00 4.1 x 4.1 x 2.1
74438356056 5.6 2.8 4.6 68.00 4.1 x 4.1 x 2.1
7447462047 4.7 4.2 3.7 19.00 5.5 x 5.5 x 8.5
7447462068 6.8 3.3 3.0 27.00 5.5 x 5.5 x 8.5
7447713082 8.2 3.0 4.7 41.00 10 x 10 x 3
7447715006 6.8 4.3 4.7 20.00 12 x 12 x 4.5
744777004 4.7 3.2 4.0 25.00 7.3 x 7.3 x 4.5
7447779004 4.7 3.2 4.4 28.00 7.3 x 7.3 x 4.5
7447779006 6.8 2.9 3.3 33.00 7.3 x 7.3 x 4.5
7447779008 8.2 2.7 3.0 47.00 7.3 x 7.3 x 4.5
744778004 4.7 2.3 4.2 42.00 7.3 x 7.3 x 3.4
7447785004 4.7 2.2 2.5 60.00 5.9 x 6.2 x 3.3
7447786004 4.7 2.8 2.8 57.00 5.9 x 6.2 x 5.1
7447789004 4.7 2.9 3.9 33.00 7.3 x 7.3 x 3.5
7447789006 6.8 2.5 2.8 41.50 7.3 x 7.3 x 3.5
744779068 6.8 2.2 2.8 27.00 6 x 6 x 6.5
744787047 4.7 3.3 3.6 24.30 7.8 x 7 x 5
744787068 6.8 3.0 3.0 27.00 7.8 x 7 x 5
744787082 8.2 2.7 2.8 33.00 7.8 x 7 x 5
784775047 4.7 4.5 4.5 16.00 7 x 7.8 x 5.5
784775056 5.6 4.0 4.0 18.00 7 x 7.8 x 5.5
784775068 6.8 3.7 3.8 22.00 7 x 7.8 x 5.5
784775082 8.2 3.2 3.2 24.00 7 x 7.8 x 5.5
784776082 8.2 4.2 4.3 20.00 9 x 10 x 5.9
784777047 4.7 2.4 3.7 70.00 7.3 x 7.3 x 4.3
784777068 6.8 2.2 3.2 83.00 7.3 x 7.3 x 4.3
784777082 8.2 2.0 2.8 97.50 7.3 x 7.3 x 4.3
784778047 4.7 2.4 3.1 66.00 7.3 x 7.3 x 3.5
784778068 6.8 2.3 2.5 79.00 7.3 x 7.3 x 3.5
784778082 8.2 2.2 2.4 86.00 7.3 x 7.3 x 3.5
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