SC4503 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

SC4503 is a 27.00 V, 1.90 A switch current limit non-sync Boost Converter from . The input voltage from 2.50 V to 20.00 V  can be boosted into an output voltage ranging from 3.00 V to 27.00 V.

Features of the Boost Converter are fixed 1300 kHz switching frequency, a typical inductor size of 4.7 µH and it offers a peak efficiency of  up to 89 %. The minimum external component count is 7 and SC4503 is available in 2 package option(s): TSOT23-5 MLPD-8 .

For SC4503 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. 2.50 V
V-IN max. 20.00 V
Current-Limit typ.? 1.90 A
V-OUT min. 3.00 V
V-OUT max. 27.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 1300 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 1100 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 155 °C
Inductor size typ. 4.7 µH
Inductor suggested by Würth Elektronik WE Selector
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 89 %
Component count min. 7
current limit adjustable no
Nr.of package options 2
CSP
SC70
SOT TSOT23-5
MSOP
QFN/DFN MLPD-8
SO/SOIC
SOP
DIP
TO
DDPAK

SC4503 Datasheet

Link to the most up-to-date SC4503 datasheet and the product page for EVM, tools and support information.

SC4503

SC4503 Price breaks and distributor sample stock

SC4503 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with SC4503 stock available

Available Distributors with stock: 7

Digi-Key

ProductStockPriceBuy
SC4503TSKTRT 29141
10000.73 €
5000.92 €
2500.95 €
1001.08 €
251.35 €
101.43 €
11.59 €
Buy Now
SC4503TSKTRT 29141
10000.73 €
5000.92 €
2500.95 €
1001.08 €
251.35 €
101.43 €
11.59 €
Buy Now
SC4503TSKTRT 27000
60000.66 €
30000.68 €
Buy Now
SC4503WLTRT 0
30000.70 €
Buy Now
SC4503WLTRT 0
11.57 €
Buy Now
SC4503WLTRT 0
11.57 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
SC4503WLTRT 0
10000.86 $
5001.03 $
2501.12 $
1001.21 $
501.37 $
251.52 $
11.88 $
Buy Now
SC4503WLTRT 0
300000.73 $
180000.75 $
120000.78 $
60000.87 $
30000.92 $
10.98 $
Buy Now
SC4503MTSKTRT 0
5009.03 $
2509.30 $
10010.62 $
5011.25 $
2512.50 $
1012.84 $
113.75 $
Buy Now
SC4503TSKTRT 0 Buy Now
SC4503TSKTRT 872
10000.87 $
5001.05 $
2501.15 $
1001.24 $
501.40 $
251.55 $
11.91 $
Buy Now
show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
SC4503TSKTRT 7568
11.91 $
101.55 $
1001.24 $
5001.05 $
10000.87 $
30000.81 $
60000.78 $
90000.75 $
Buy Now

Transfer Multisort Elektronik

ProductStockPriceBuy
SC4503TSKTRT 55
5001.02 $
1001.10 $
251.22 $
51.38 $
11.53 $
Buy Now
SC4503TSKTRT 55
5001.02 $
1001.10 $
251.22 $
51.38 $
11.53 $
Buy Now

Chip 1 Exchange

ProductStockPriceBuy
SC4503TSKTRT 5712

element14 Asia-Pacific

ProductStockPriceBuy
SC4503WLTRT 0
5001.58 SGD
1001.86 SGD
102.34 SGD
12.89 SGD
Buy Now
SC4503TSKTRT 872
5001.64 SGD
2501.88 SGD
1002.00 SGD
252.34 SGD
102.48 SGD
12.75 SGD
Buy Now
show stock=0hide stock=0

Farnell element14

ProductStockPriceBuy
SC4503WLTRT 0
5000.96 GBP
2501.05 GBP
1001.13 GBP
501.28 GBP
251.43 GBP
11.76 GBP
Buy Now
SC4503TSKTRT 872
5000.98 GBP
2501.08 GBP
1001.16 GBP
501.31 GBP
251.45 GBP
11.78 GBP
Buy Now
show stock=0hide stock=0

Available Distributors without stock: 2

Arrow Electronics

ProductStockPriceBuy
SC4503WLTRT 0
30000000.70 $
15000000.70 $
3000000.73 $
300000.78 $
30000.78 $
Buy Now
SC4503TSKTRT 0
30000000.72 $
15000000.72 $
3000000.73 $
300000.76 $
30000.77 $
Buy Now

Avnet Europe

ProductStockPriceBuy
SC4503WLTRT 0
300000.83 $
180000.88 $
120000.94 $
60000.99 $
30001.07 $
Buy Now
SC4503TSKTRT 0
10000.79 $
5000.82 $
1000.87 $
500.94 $
250.98 $
101.03 $
11.09 $
Buy Now

Alternatives and equivalents

The following DC/DC Boost Converter are similar to SC4503. Optional, compare SC4503 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
10% AS1344 AS1344 product overviewAS1344 product overview AMS TDFN-10
50% MAX1896 MAX1896 product overviewMAX1896 product overview Maxim Integrated SOT23-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of SC4503.

V-IN min. 2.5 V, Current-Limit typ. 1.9 A, V-OUT max. 27 V, Frequency typ. 1300 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744302015 0.2 30.0 32.0 0.24 6.95 x 6.8 x 4.7
744303015 0.2 31.0 42.0 0.33 10 x 6.8 x 5
744303022 0.2 31.0 32.0 0.33 10 x 6.8 x 5
744304016 0.2 26.0 32.0 0.17 11.5 x 11.8 x 4
744304022 0.2 26.0 23.0 0.17 11.5 x 11.8 x 4
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
744307016 0.2 29.0 41.0 0.33 7.4 x 7.2 x 7.2
744307022 0.2 29.0 29.0 0.33 7.4 x 7.2 x 7.2
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
744311022 0.2 21.0 32.0 1.10 7 x 6.9 x 4
744373770022 0.2 25.0 40.0 0.75 13.5 x 12.6 x 3.5
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