ISL91110 Buck-Boost Converter Overview

Description

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ISL91110 is a 5.50 V, 3.00 A output current sync Buck-Boost Converter from . The 1.80 V to 5.50 V input range can be converted into a 1.00 V to 5.20 V output voltage.

The Buck-Boost Converter features fixed 2500 kHz switching frequency, requires a typical inductor size of 1.0 µH and provides a peak efficiency of 96 %. ISL91110 circuitry consists typically of 6 external components and is available in 1 package option(s): CSP-25 .

For ISL91110 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? 3.00 A
V-OUT min. 1.00 V
V-OUT max. 5.20 V
V-OUT fixed adjustable
V-OUT programmable no
sync/non-sync sync
Frequency typ. 2500 kHz
Frequency adjustable fixed
Frequency adjustable min.
Frequency adjustable max.
ext.clock sync yes
Frequency sync. min. 2500 kHz
Frequency sync. max. 3250 kHz
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK yes
Quiescent current max. 60 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max. 125 °C
thermal shutdown typ. 155 °C
Inductor size typ. 1.0 µH
Automotive AEC-Q100 no
Light-Load Mode yes
Topology Buck-Boost
Peak Efficiency 96 %
Component count min. 6
current limit adjustable no
LBI/LBO no
Nr. of package options 1
CSP CSP-25
SOT
MSOP
QFN
SO/SOIC
SOP

Charts and pictures

ISL91110 position within the market

ISL91110 Datasheet

Link to the most up-to-date ISL91110 datasheet and the product page for EVM, tools and support information.

ISL91110

ISL91110 Distributor price breaks and sample stock

ISL91110 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: 0

no online Distributor with ISL91110 stock available

Available Distributors with stock: 4

Digi-Key

ProductStockPriceBuy
ISL91110IIAZ-T7A 454
1001.58 €
251.85 €
101.96 €
12.18 €
Buy Now
ISL91110IIAZ-T7A 454
1001.58 €
251.85 €
101.96 €
12.18 €
Buy Now
ISL91110IIAZ-T7A 250
62500.94 €
25000.97 €
12501.04 €
5001.26 €
2501.44 €
Buy Now
ISL91110II2AZ-T7A 204
1001.58 €
251.85 €
101.96 €
12.18 €
Buy Now
ISL91110II2AZ-T7A 204
1001.58 €
251.85 €
101.96 €
12.18 €
Buy Now
ISL91110IINZ-T7A 11
1001.72 €
251.99 €
102.10 €
12.34 €
Buy Now
ISL91110IINZ-T7A 11
1001.72 €
251.99 €
102.10 €
12.34 €
Buy Now
ISL91110II2AZ-T7A 0 Buy Now
ISL91110II2AZ-T 0
30000.88 €
Buy Now
ISL91110IIAZ-T 0
30000.88 €
Buy Now
ISL91110IINZ-T 0
30001.05 €
Buy Now
ISL91110IR2AZ-T 0
30001.64 €
Buy Now
ISL91110IRAZ-T 0
30001.64 €
Buy Now
ISL91110IRNZ-T 0
30001.64 €
Buy Now
ISL91110IINZ-T7A 0 Buy Now
show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
ISL91110IRAZ-T7A 234
14.13 $
103.51 $
1003.05 $
2502.89 $
5002.59 $
10002.19 $
25002.08 $
Buy Now
ISL91110IR2AZ-T7A 250
14.13 $
103.51 $
1003.05 $
2502.89 $
5002.59 $
10002.19 $
25002.08 $
Buy Now
ISL91110IRNZ-T7A 250
14.13 $
103.51 $
1003.05 $
2502.89 $
5002.59 $
10002.19 $
25002.08 $
Buy Now
ISL91110IIAZ-T7A 2320
12.45 $
102.08 $
1001.66 $
5001.46 $
10001.21 $
25001.13 $
50001.08 $
Buy Now
ISL91110IIA-EVZ 1
1360.01 $
Buy Now
ISL91110IINZ-T7A 475
12.92 $
102.48 $
1001.98 $
5001.74 $
10001.44 $
25001.34 $
50001.29 $
Buy Now
ISL91110II2AZ-T7A 207
12.45 $
102.08 $
1001.66 $
5001.46 $
10001.21 $
25001.13 $
50001.08 $
Buy Now
ISL91110IINZ-T 0
12.65 $
102.25 $
1001.80 $
5001.58 $
10001.31 $
30001.22 $
60001.18 $
Buy Now
ISL91110IRNZ-T 0
13.76 $
103.20 $
1002.77 $
2502.63 $
5002.36 $
10001.99 $
30001.89 $
Buy Now
ISL91110IIAZ-T 0
12.21 $
101.88 $
1001.50 $
5001.32 $
10001.09 $
30001.02 $
60000.98 $
Buy Now
ISL91110II2AZ-T 0
12.21 $
101.88 $
1001.50 $
5001.32 $
10001.09 $
30001.02 $
60000.98 $
Buy Now
ISL91110IRAZ-T 0
13.76 $
103.20 $
1002.77 $
2502.63 $
5002.36 $
10001.99 $
30001.89 $
Buy Now
ISL91110IR2AZ-T 0
13.76 $
103.20 $
1002.77 $
2502.63 $
5002.36 $
10001.99 $
30001.89 $
Buy Now
show stock=0hide stock=0

element14 Asia-Pacific

ProductStockPriceBuy
ISL91110IIAZ-T7A 37
25001.83 SGD
10001.92 SGD
5002.32 SGD
1002.63 SGD
103.29 SGD
13.88 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
ISL91110IIAZ-T7A 47
2501.20 GBP
1001.27 GBP
501.43 GBP
251.59 GBP
11.80 GBP
Buy Now

Available Distributors without stock: 1

Avnet

ProductStockPriceBuy
ISL91110IIAZ-T 0
30001.35 €
60001.20 €
120001.13 €
180001.11 €
300001.06 €
Buy Now
ISL91110IRAZ-T 0
30002.09 €
60001.99 €
120001.99 €
180001.99 €
300001.89 €
Buy Now
ISL91110IINZ-T 0
30001.59 €
60001.39 €
120001.29 €
180001.29 €
300001.19 €
Buy Now
ISL91110IIAZ-T 0
30001.00 $
60000.97 $
120000.94 $
180000.92 $
300000.91 $
Buy Now
ISL91110IINZ-T 0
30001.20 $
60001.17 $
120001.13 $
180001.10 $
300001.09 $
Buy Now
ISL91110II2AZ-T 0
30001.35 €
60001.20 €
120001.13 €
180001.11 €
300001.06 €
Buy Now
ISL91110IIA-EVZ 0
1360.49 €
Buy Now
ISL91110II2AZ-T 0
30001.00 $
60000.97 $
120000.94 $
180000.92 $
300000.91 $
Buy Now
ISL91110IIA-EVZ 0
1333.33 $
Buy Now
ISL91110IRAZ-T7A 0
12.29 €
102.19 €
252.19 €
502.19 €
1002.19 €
5002.09 €
10002.09 €
Buy Now
ISL91110IIAZ-T7A 0
2501.39 €
5001.29 €
10001.19 €
15001.19 €
25001.09 €
Buy Now
ISL91110IRNZ-T7A 0
2502.29 €
5002.19 €
10002.19 €
15002.19 €
25002.09 €
Buy Now
ISL91110IIAZ-T7A 0
2501.11 $
5001.08 $
10001.05 $
15001.02 $
25001.00 $
Buy Now
ISL91110IINZ-T7A 0
2501.32 $
5001.28 $
10001.25 $
15001.21 $
25001.20 $
Buy Now
ISL91110II2AZ-T7A 0
2501.11 $
5001.08 $
10001.05 $
15001.02 $
25001.00 $
Buy Now

Equivalents and alternatives

The following Buck-Boost DC/DC Converter are similar to ISL91110. Optional, compare ISL91110 side-by-side with other selected Buck-Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
25% TPS63020 TPS63020 product overviewTPS63020 product overview Texas Instruments QFN-14
25% TPS63020-Q1 TPS63020-Q1 product overviewTPS63020-Q1 product overview Texas Instruments QFN-14

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of ISL91110.

V-IN max. 5.5 V, I-OUT 3 A, V-OUT min. 1 V, Frequency typ. 2500 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
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
744383230033 0.3 3.4 6.2 29.00 2.5 x 2 x 1
74479276124 0.2 3.6 5.4 19.00 2 x 1.6 x 1
74479976124 0.2 3.5 4.0 15.00 2 x 1.6 x 0.5
74479976133 0.3 3.4 3.7 18.00 2 x 1.6 x 0.5
784383230033 0.3 3.4 6.2 29.00 2.5 x 2 x 1
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