LTC3530 Buck-Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LTC3530 is a 5.50 V, 0.60 A output current sync Buck-Boost Converter from . The 1.80 V to 5.50 V input range can be converted into a 1.80 V to 5.25 V output voltage.

The Buck-Boost Converter features fixed 1000 kHz switching frequency, requires a typical inductor size of 4.7 µH and provides a peak efficiency of 96 %. LTC3530 circuitry consists typically of 10 external components and is available in 2 package option(s): MSOP-10 DFN-10 .

For LTC3530 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. 1.80 V
V-IN max. 5.50 V
I-OUT? 0.60 A
V-OUT min. 1.80 V
V-OUT max. 5.25 V
V-OUT fixed adjustable
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adjustable fixed
Frequency adjustable min.
Frequency adjustable max.
ext.clock sync yes
Frequency sync. min. 300 kHz
Frequency sync. max. 2000 kHz
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 1200 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 4.7 µH
Automotive AEC-Q100 no
Light-Load Mode yes
Topology Buck-Boost
Peak Efficiency 96 %
Component count min. 10
current limit adjustable no
LBI/LBO no
Nr. of package options 2
CSP
SOT
MSOP MSOP-10
QFN DFN-10
SO/SOIC
SOP

Charts and pictures

LTC3530 Datasheet

Link to the most up-to-date LTC3530 datasheet and the product page for EVM, tools and support information.

LTC3530

LTC3530 Distributor price breaks and sample stock

LTC3530 prices and available buy online distributors. Optional, check regional sources for price and inventory: for Russia via efind, for South Korea via ICPart, for Japan via ICBAIBAI, for China via IC5858 or International via IC2IC.

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Available Distributors with stock: 6

ARROW-NAC (2)

ProductStockPriceBuy
LTC3530EDD#PBF617
14.24 USD
1003.35 USD
Buy Now
LTC3530EMS#PBF435
14.24 USD
1003.35 USD
Buy Now

Chip-One-Stop (1)

ProductStockPriceBuy
LTC3530EDD#PBF560
16.71 USD
105.64 USD
255.58 USD
505.32 USD
1005.19 USD
2004.96 USD
Buy Now

DIGI-KEY (2)

ProductStockPriceBuy
LTC3530EMS#PBF1880
15.53 USD
254.24 USD
1003.35 USD
Buy Now
LTC3530EDD#PBF729
15.53 USD
254.24 USD
1003.35 USD
Buy Now
LTC3530EDD#TRPBF0
25003.45 USD
Buy Now
LTC3530EMS#TRPBF0
25003.45 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LTC3530EMS#PBF397
18.78 USD
256.73 USD
1005.32 USD
Buy Now

FARNELL-ELEMENT14 (1)

ProductStockPriceBuy
LTC3530EMS#PBF547Buy Now

RS-COMPONENTS (1)

ProductStockPriceBuy
LTC3530EMS#PBF32Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LTC3530EDD#PBF0
15.53 USD
253.86 USD
1003.35 USD
Buy Now
LTC3530EMS#PBF0
13.35 USD
253.35 USD
1003.35 USD
Buy Now
LTC3530EMS#TRPBF0
16.15 USD
25004.41 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3530 stock available

Equivalents and alternatives

The following Buck-Boost DC/DC Converter are similar to LTC3530. Optional, compare LTC3530 side-by-side with other selected Buck-Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ISL9110 ISL9110 product overviewISL9110 product overview Intersil DFN-12
0% TPS63036 TPS63036 product overviewTPS63036 product overview Texas Instruments WLCSP-8, VQFN-12
0% ISL9110A ISL9110A product overviewISL9110A product overview Intersil CSP-20
10% TPS63030 TPS63030 product overviewTPS63030 product overview Texas Instruments QFN-10
50% LTC3440 LTC3440 product overviewLTC3440 product overview Linear Technology MSOP-10, DFN-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3530.

V-IN max. 5.5 V, I-OUT 0.6 A, V-OUT min. 1.8 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025006 6.8 1.1 1.3 142.00 2.8 x 2.8 x 3
744029004 4.7 1.0 0.8 170.00 2.8 x 2.8 x 1.5
744031004 4.7 1.2 0.9 90.00 3.8 x 3.8 x 1.8
744031006 6.8 0.9 0.8 135.00 3.8 x 3.8 x 1.8
74404024047 4.7 1.1 1.2 175.00 2.5 x 2 x 1.2
74404024068 6.8 0.9 1.0 300.00 2.5 x 2 x 1.2
74404032047 4.7 1.3 1.2 96.00 3 x 3 x 1.5
74404032068 6.8 1.2 0.9 120.00 3 x 3 x 1.5
744042005 5.6 1.6 1.4 80.00 4.8 x 4.8 x 2
744042006 6.8 1.5 1.3 80.00 4.8 x 4.8 x 2
744043005 5.6 1.4 1.3 70.00 4.8 x 4.8 x 3
744043006 6.8 1.3 1.3 80.00 4.8 x 4.8 x 3
7440680056 5.6 1.5 1.4 110.00 8 x 8 x 1.2
7440680068 6.8 1.4 1.2 127.00 8 x 8 x 1.2
74479889247 4.7 0.9 0.9 400.00 2.5 x 2 x 1.2
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