LT1913 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT1913 is a 25.00 V non-sync Buck Converter from with 3.50 A output current. The maximum 25.00 V input voltage can be regulated down into a 0.79 V to 25.00 V output voltage.

It requires are a typical inductor size of 4.70 µH, a typical external component count of 10 and achieves a peak efficiency of 90 %. Further LT1913 characteristics are a adjustable 2450 kHz switching frequency and 1 available package option(s): DFN-10 .

For the LT1913 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. 25.00 V
I-OUT? 3.50 A
V-OUT min. 0.79 V
V-OUT max. 25.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 2450 kHz
Frequency adjustable
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 200 kHz
Frequency adj./ ext.clock max 2400 kHz
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK yes
Quiescent current max. 1200 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 4.70 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 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-10
SO/SOIC
SOP
DIP
TO
DDPAK

LT1913 Datasheet

Link to the most up-to-date LT1913 datasheet and the product page for EVM, tools and support information.

LT1913

LT1913 Sample stock and distributor price breaks

LT1913 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 6

Chip One Stop (1)

ProductStockPriceBuy
LT1913EDD#PBF46
18.66 USD
105.56 USD
Buy Now

Digi-Key (2)

ProductStockPriceBuy
LT1913EDD#PBF687
17.94 USD
255.32 USD
1004.52 USD
Buy Now
LT1913IDD#PBF777
19.53 USD
256.39 USD
1005.43 USD
Buy Now
LT1913EDD#TRPBF0
25004.62 USD
Buy Now
LT1913IDD#TRPBF0
25005.53 USD
Buy Now
DC1316A0
10.00 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LT1913IDD#PBF82
114.54 USD
259.74 USD
1008.28 USD
Buy Now

Farnell Element14 (1)

ProductStockPriceBuy
LT1913EDD#PBF0Buy Now
LT1913IDD#PBF82Buy Now

Mouser Electronics (2)

ProductStockPriceBuy
LT1913IDD#PBF242
19.79 USD
108.98 USD
256.55 USD
1005.56 USD
Buy Now
LT1913EDD#PBF45
18.16 USD
107.48 USD
255.45 USD
1004.64 USD
Buy Now
LT1913EDD#TRPBFNone
25004.74 USD
Buy Now
LT1913IDD#TRPBFNone
25005.66 USD
Buy Now

RS Components (1)

ProductStockPriceBuy
LT1913IDD#PBF47Buy Now

Available Distributors without stock: 1

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 9

Arrow Electronics

ProductStockPriceBuy
LT1913IDD#PBF 181
16.26 $
1005.32 $
Buy Now
LT1913IDD#PBF 0
16.26 $
1005.32 $
Buy Now
LT1913EDD#PBF 0
15.22 $
1004.43 $
Buy Now
LT1913EDD#TRPBF 0
1004.53 $
Buy Now
LT1913IDD#TRPBF 0
1005.42 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT1913IDD#PBF 777
1004.46 €
255.24 €
17.83 €
Buy Now
LT1913EDD#PBF 687
1003.71 €
254.37 €
16.52 €
Buy Now
LT1913EDD#TRPBF 0
25003.79 €
Buy Now
LT1913IDD#TRPBF 0
25004.54 €
Buy Now
DC1316A 0 Buy Now
show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
LT1913IDD#PBF 242
19.55 $
108.75 $
256.39 $
1005.43 $
Buy Now
LT1913EDD#PBF 45
17.96 $
107.29 $
255.32 $
1004.52 $
Buy Now
LT1913EDD#TRPBF 0
25004.62 $
Buy Now
LT1913IDD#TRPBF 0
25005.53 $
Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1913IDD#PBF 15 Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LT1913IDD#PBF 82
111.63 $
257.79 $
1006.62 $
Buy Now

Farnell element14

ProductStockPriceBuy
LT1913IDD#PBF 82
14.60 GBP
253.37 GBP
1003.30 GBP
Buy Now
LT1913EDD#PBF 0
15.61 GBP
105.13 GBP
254.81 GBP
504.48 GBP
1004.16 GBP
Buy Now
show stock=0hide stock=0

Chip One Exchange

ProductStockPriceBuy
LT1913EDD#PBF 12

Chip1Stop

ProductStockPriceBuy
LT1913EDD#PBF 46
105.56 $
18.66 $
Buy Now

RS Components

ProductStockPriceBuy
LT1913IDD#PBF 47
66.86 GBP
306.25 GBP
615.64 GBP
Buy Now

Available Distributors without stock: 1

Avnet

ProductStockPriceBuy
HLT-1913-T-H 0
50038.89 $
100036.29 $
200034.09 $
300032.09 $
500030.29 $
Buy Now
HLT-1913-T-T 0
50037.09 $
100034.59 $
200032.49 $
300030.59 $
500028.89 $
Buy Now
HLT-1913-G-H 0
50073.79 $
100068.89 $
200064.69 $
300060.89 $
500057.49 $
Buy Now
HLT-1913-T-R 0
50039.99 $
100037.29 $
200034.99 $
300032.99 $
500031.09 $
Buy Now
HLT-1913-G-T 0
50071.29 $
100066.49 $
200062.39 $
300058.69 $
500055.49 $
Buy Now
HLT-1913-G-R 0
50076.89 $
100071.79 $
200067.39 $
300063.39 $
500059.89 $
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1913. Optional, compare LT1913 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% A8583 A8583 product overviewA8583 product overview Allegro TSSOP-16
0% LT3680 LT3680 product overviewLT3680 product overview Linear Technology DFN-10, MSOP-10
0% LT3693 LT3693 product overviewLT3693 product overview Linear Technology DFN-10, MSOP-10
0% LT3972 LT3972 product overviewLT3972 product overview Linear Technology DFN-10, MSOP-10
0% TPS54541 TPS54541 product overviewTPS54541 product overview Texas Instruments SON-10
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% 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
50% A8582 A8582 product overviewA8582 product overview Allegro TSSOP-16
50% A8584 A8584 product overviewA8584 product overview Allegro TSSOP-16
50% LT3480 LT3480 product overviewLT3480 product overview Linear Technology DFN-10, MSOP-10
50% LT3685 LT3685 product overviewLT3685 product overview Linear Technology DFN-10, MSOP-10
50% LT3975 LT3975 product overviewLT3975 product overview Linear Technology MSOP-16
50% LT3980 LT3980 product overviewLT3980 product overview Linear Technology DFN-14, MSOP-16
50% TPS54240 TPS54240 product overviewTPS54240 product overview Texas Instruments SON-10, MSOP-10
50% TPS54240-Q1 TPS54240-Q1 product overviewTPS54240-Q1 product overview Texas Instruments SON-10, MSOP-10
50% TPS54262-Q1 TPS54262-Q1 product overviewTPS54262-Q1 product overview Texas Instruments HTSSOP-20

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1913.

V-IN max. 25 V, I-OUT 3.5 A, V-OUT min. 0.79 V, Frequency typ. 2450 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74402500030 0.3 3.9 5.7 15.00 2.8 x 2.8 x 3
744040420033 0.3 4.5 7.6 13.00 4 x 4 x 1.8
74404300033 0.3 4.0 6.0 8.00 4.8 x 4.8 x 3
74406800024 0.2 4.1 5.8 15.00 8 x 8 x 1.2
74406900022 0.2 5.5 7.5 9.00 8 x 8 x 1.5
744089410022 0.2 4.5 9.5 15.00 4.8 x 4.8 x 2.1
744089420039 0.4 4.2 10.3 15.00 4.8 x 4.8 x 3.1
744089430039 0.4 4.2 9.3 13.50 4.8 x 4.8 x 4.1
744383360033 0.3 5.5 8.3 14.00 3 x 3 x 2
74479276124 0.2 3.6 5.4 19.00 2 x 1.6 x 1
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