LT1961 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LT1961 is a 35.00 V, 2.00 A switch current limit non-sync Boost Converter from . The input voltage from 3.00 V to 25.00 V  can be boosted into an output voltage ranging from 3.00 V to 35.00 V.

Features of the Boost Converter are fixed 1250 kHz switching frequency, a typical inductor size of 6.8 µH and it offers a peak efficiency of  up to 87 %. The minimum external component count is 9 and LT1961 is available in 1 package option(s): MSOP-8 .

For LT1961 replacement search, 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. 25.00 V
Current-Limit typ.? 2.00 A
V-OUT min. 3.00 V
V-OUT max. 35.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 1250 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. yes
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min. 1500 kHz
Frequency sync. max. 2000 kHz
Down Mode no
Quiescent current max. 1300 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 6.8 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 87 %
Component count min. 9
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT
MSOP MSOP-8
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

LT1961 Datasheet

Link to the most up-to-date LT1961 datasheet and the product page for EVM, tools and support information.

LT1961

LT1961 Price breaks and distributor sample stock

LT1961 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 7

Chip-One-Stop (4)

ProductStockPriceBuy
LT1961EMS8E2200
156.20 USD
1045.40 USD
5042.60 USD
2003.78 USD
5003.51 USD
Buy Now
LT1961EMS8E#PBF67
13.22 USD
102.30 USD
501.97 USD
Buy Now
LT1961EMS8E#PBF13
13.32 USD
102.82 USD
Buy Now
LT1961EMS8E#TRPBF2500
25002.16 USD
Buy Now

DIGI-KEY (3)

ProductStockPriceBuy
LT1961EMS8E#PBF13Buy Now
LT1961EMS8E#PBF1896
13.39 USD
252.25 USD
1001.80 USD
Buy Now
LT1961IMS8E#PBF1015
14.82 USD
253.43 USD
1002.82 USD
Buy Now
LT1961EMS8E#TRPBF0
25001.90 USD
Buy Now
LT1961IMS8E#TRPBF0
25002.92 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LT1961EMS8E#PBF0
15.38 USD
253.57 USD
1002.86 USD
Buy Now
LT1961IMS8E#PBF22
17.65 USD
255.45 USD
1004.48 USD
Buy Now

FARNELL-ELEMENT14 (2)

ProductStockPriceBuy
LT1961EMS8E#PBF165Buy Now
LT1961IMS8E#PBF22Buy Now

NEWARK (1)

ProductStockPriceBuy
LT1961EMS8E#PBF7
11.80 USD
251.80 USD
1001.80 USD
Buy Now
LT1961EMS8E#TR0
00.00 USD
Buy Now
LT1961EMS8E#TRPBF0
12.92 USD
25002.09 USD
Buy Now

RS-COMPONENTS (3)

ProductStockPriceBuy
LT1961EMS8E#PBF30Buy Now
LT1961EMS8E#PBF186Buy Now
LT1961IMS8E#PBF96Buy Now

TME (1)

ProductStockPriceBuy
LT1961EMS8E#PBF37Buy Now

Available Distributors with stock: 0

no online Distributor with LT1961 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LT1961. Optional, compare LT1961 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT1172 LT1172 product overviewLT1172 product overview Linear Technology SO-8, DIP-8, TO220-5, DD-5
0% LT1172HV LT1172HV product overviewLT1172HV product overview Linear Technology SO-8, DIP-8, TO220-5, DD-5
0% LT1373 LT1373 product overviewLT1373 product overview Linear Technology SO-8, PDIP-8
0% LT1373HV LT1373HV product overviewLT1373HV product overview Linear Technology SO-8, PDIP-8
0% LT1377 LT1377 product overviewLT1377 product overview Linear Technology SO-8, PDIP-8
0% MIC2172 MIC2172 product overviewMIC2172 product overview Micrel SOIC-8, DIP-8
0% CS5171 CS5171 product overviewCS5171 product overview ON Semiconductor SOIC-8
0% CS5173 CS5173 product overviewCS5173 product overview ON Semiconductor SOIC-8
10% LT1372 LT1372 product overviewLT1372 product overview Linear Technology SO-8, PDIP-8
10% LT1372HV LT1372HV product overviewLT1372HV product overview Linear Technology SO-8, PDIP-8
10% NCV5171 NCV5171 product overviewNCV5171 product overview ON Semiconductor SOIC-8
10% NCV5173 NCV5173 product overviewNCV5173 product overview ON Semiconductor SOIC-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1961.

V-IN min. 3 V, Current-Limit typ. 2 A, V-OUT max. 35 V, Frequency typ. 1250 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
744305022 0.2 28.0 42.0 0.16 13.5 x 13.3 x 5.2
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
744308020 0.2 27.0 48.0 0.37 10.1 x 7 x 7
744308025 0.3 27.0 44.0 0.37 10.1 x 7 x 7
7443081022 0.2 38.0 45.0 0.29 9.4 x 6.2 x 8.1
7443081030 0.3 38.0 32.0 0.29 9.4 x 6.2 x 8.1
744373770022 0.2 25.0 40.0 0.75 13.5 x 12.6 x 3.5
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