AS1331-3.3 Buck-Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

AS1331-3.3 is a 5.50 V, 0.30 A output current sync Buck-Boost Converter from . The 1.80 V to 5.50 V input range can be converted into a 3.30 V to 3.30 V output voltage.

The Buck-Boost Converter features fixed 1000 kHz switching frequency, requires a typical inductor size of 6.8 µH and provides a peak efficiency of 90 %. AS1331-3.3 circuitry consists typically of 8 external components and is available in 1 package option(s): TDFN-10 .

For AS1331-3.3 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? 0.30 A
V-OUT min. 3.30 V
V-OUT max. 3.30 V
V-OUT fixed 3.30
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adjustable fixed
Frequency adjustable min.
Frequency adjustable max.
ext.clock sync no
Frequency sync. min.
Frequency sync. max.
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK yes
Quiescent current max. 32 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 145 °C
Inductor size typ. 6.8 µH
Automotive AEC-Q100 no
Light-Load Mode yes
Topology Buck-Boost
Peak Efficiency 90 %
Component count min. 8
current limit adjustable no
LBI/LBO yes
Nr. of package options 1
CSP
SOT
MSOP
QFN TDFN-10
SO/SOIC
SOP

Charts and pictures

AS1331-3.3 Datasheet

Link to the most up-to-date AS1331-3.3 datasheet and the product page for EVM, tools and support information.

AS1331-3.3

AS1331-3.3 Distributor price breaks and sample stock

AS1331-3.3 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.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with AS1331 stock available

Available Distributors with stock: 4

Digi-Key

ProductStockPriceBuy
AS1331-TD-AD_EK_ST 3
131.86 €
Buy Now
AS1331-BTDT-33-6K 0
60001.00 €
Buy Now
AS1331-BTDT 0 Buy Now
AS1331-BTDT-AD 0 Buy Now
AS1331-BTDT-33 0 Buy Now
AS1331-BTDT-30 0 Buy Now
AS1331-BTDT-A25 0 Buy Now
AS1331-BTDT-A25 0 Buy Now
AS1331-BTDT-A25 0 Buy Now
AS1331-BTDT-25 0 Buy Now
show stock=0hide stock=0

Future Electronics

ProductStockPriceBuy
AS1331 EB 1
132.94 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
AS1331-BTDT-AD 680
12.73 $
102.36 $
1002.13 $
2501.89 $
5001.66 $
10001.37 $
20001.28 $
50001.20 $
Buy Now
AS1331-BTDT-33-1k 242
12.96 $
102.56 $
1002.30 $
2502.05 $
5001.79 $
10001.49 $
20001.38 $
50001.29 $
Buy Now
AS1331-BTDT-33 418
12.25 $
102.04 $
251.82 $
1001.64 $
2501.45 $
5001.27 $
10001.05 $
20000.98 $
50000.98 $
Buy Now
AS1331-EB 0 Buy Now
AS1331-BTDT-25 0 Buy Now
AS1331-BTDT-33-6k 0 Buy Now
AS1331-TD-AD_EK_ST 0 Buy Now
AS1331-BTDT-30 0 Buy Now
AS1331-BTDT-30-1k 0 Buy Now
AS1331-BTDT-25-1k 0 Buy Now
show stock=0hide stock=0

TTI

ProductStockPriceBuy
19203-0016 8000
20000.07 $
40000.07 $
60000.07 $
100000.07 $
260000.07 $
500000.06 $
1000000.06 $
Buy Now
0192030387 3850
1000.05 $
40000.04 $
50000.04 $
100000.04 $
250000.04 $
500000.04 $
1000000.04 $
Buy Now
19203-0387 3850
1000.05 $
40000.04 $
50000.04 $
100000.04 $
250000.04 $
500000.04 $
1000000.04 $
Buy Now
0192030016 8000
20000.07 $
40000.07 $
60000.07 $
100000.07 $
260000.07 $
500000.06 $
1000000.06 $
Buy Now

Equivalents and alternatives

The following Buck-Boost DC/DC Converter are similar to AS1331-3.3. Optional, compare AS1331-3.3 side-by-side with other selected Buck-Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
50% LTC3129-1-3.3 LTC3129-1-3.3 product overviewLTC3129-1-3.3 product overview Linear Technology MSOP-16, QFN-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of AS1331-3.3.

V-IN max. 5.5 V, I-OUT 0.3 A, V-OUT min. 3.3 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744029100 10.0 0.7 0.5 390.00 2.8 x 2.8 x 1.5
744031100 10.0 0.7 0.6 185.00 3.8 x 3.8 x 1.8
744032008 8.2 0.4 1.0 360.00 3.2 x 2.5 x 2.3
744032100 10.0 0.3 0.9 520.00 3.2 x 2.5 x 2.3
74404024100 10.0 0.5 0.9 435.00 2.5 x 2 x 1.2
74404032100 10.0 0.8 0.9 230.00 3 x 3 x 1.5
74404041100 10.0 1.3 1.0 168.00 4 x 4 x 1.2
744042100 10.0 1.3 1.0 120.00 4.8 x 4.8 x 2
744042120 12.0 1.2 1.0 150.00 4.8 x 4.8 x 2
744043100 10.0 1.2 1.0 95.00 4.8 x 4.8 x 3
744043120 12.0 1.1 1.0 100.00 4.8 x 4.8 x 3
7440680100 10.0 1.2 1.0 177.00 8 x 8 x 1.2
7440680120 12.0 1.2 1.0 195.00 8 x 8 x 1.2
74479889310 10.0 0.8 0.5 500.00 2.5 x 2 x 1.2
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