BD9123MUV Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

BD9123MUV is a 5.50 V sync Buck Converter from with 1.20 A output current. The maximum 5.50 V input voltage can be regulated down into a 0.85 V to 1.20 V output voltage.

It requires are a typical inductor size of 4.70 µH, a typical external component count of 9 and achieves a peak efficiency of 87 %. Further BD9123MUV characteristics are a fixed 1000 kHz switching frequency and 1 available package option(s): QFN-16 .

For the BD9123MUV replacement search, please 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. 2.70 V
V-IN max. 5.50 V
I-OUT? 1.20 A
V-OUT min. 0.85 V
V-OUT max. 1.20 V
V-OUT adjustable V
V-OUT programmable yes
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK yes
Quiescent current max. 500 µA
Operating min. -40 °C
Operating max. 95 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 4.70 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 87 %
Component count min. 9
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN QFN-16
SO/SOIC
SOP
DIP
TO
DDPAK

BD9123MUV Datasheet

Link to the most up-to-date BD9123MUV datasheet and the product page for EVM, tools and support information.

BD9123MUV

BD9123MUV Sample stock and distributor price breaks

BD9123MUV prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 2

Chip-One-Stop (1)

ProductStockPriceBuy
BD9123MUV-E2100
106.90 USD
306.58 USD
506.28 USD
1005.61 USD
Buy Now

DIGI-KEY (3)

ProductStockPriceBuy
BD9123MUV-E23000
30000.70 USD
60000.67 USD
150000.65 USD
Buy Now
BD9123MUV-E23000
11.65 USD
101.49 USD
251.33 USD
1001.20 USD
2501.06 USD
5000.93 USD
10000.77 USD
Buy Now
BD9123MUV-E23000
11.65 USD
101.49 USD
251.33 USD
1001.20 USD
2501.06 USD
5000.93 USD
10000.77 USD
Buy Now

Available Distributors without stock: 2

AVNET-AMERICAS (0)

ProductStockPriceBuy
BD9123MUV-E20
30000.82 USD
60000.77 USD
120000.72 USD
180000.68 USD
300000.66 USD
Buy Now

Mouser-Electronics (0)

ProductStockPriceBuy
BD9123MUV-E2None
30000.70 USD
60000.67 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with BD9123MUV stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to BD9123MUV. Optional, compare BD9123MUV side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% MIC23156 MIC23156 product overviewMIC23156 product overview Micrel MLF-17, WLCSP-16
25% AAT2503 AAT2503 product overviewAAT2503 product overview Skyworks QFN-20
25% AAT2504 AAT2504 product overviewAAT2504 product overview Skyworks QFN-20
50% LTC3447 LTC3447 product overviewLTC3447 product overview Linear Technology DFN-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of BD9123MUV.

V-IN max. 5.5 V, I-OUT 1.2 A, V-OUT min. 0.85 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025002 2.2 1.8 2.4 57.00 2.8 x 2.8 x 3
744031001 1.5 1.8 1.6 40.00 3.8 x 3.8 x 1.8
74404024015 1.5 1.9 2.4 65.00 2.5 x 2 x 1.2
74404024022 2.2 1.8 2.0 80.00 2.5 x 2 x 1.2
74404032015 1.5 2.0 2.3 40.00 3 x 3 x 1.5
74404032022 2.2 1.8 1.7 50.00 3 x 3 x 1.5
7440420018 1.8 2.4 2.4 40.00 4.8 x 4.8 x 2
7440430018 1.8 2.7 2.5 20.00 4.8 x 4.8 x 3
7440430022 2.2 2.5 2.4 27.00 4.8 x 4.8 x 3
744045002 2.2 1.6 2.8 88.00 4.5 x 3.2 x 2.9
7440520018 1.8 2.6 3.0 30.00 5.8 x 5.8 x 2
744062002 2.2 3.4 2.7 10.00 6.8 x 6.8 x 2.5
7440680017 1.7 2.5 2.4 41.00 8 x 8 x 1.2
7440690022 2.2 2.8 2.9 35.00 8 x 8 x 1.5
74438322022 2.2 1.3 2.2 252.00 2.5 x 2 x 0.8
74438323022 2.2 1.3 2.5 147.00 2.5 x 2 x 1
74438324022 2.2 1.6 2.9 123.00 2.5 x 2 x 1.2
74438343015 1.5 1.3 3.0 150.00 2.5 x 1.6 x 0.6
74479275222 2.2 1.3 1.7 166.00 2 x 1.25 x 1
74479276222 2.2 1.4 1.8 135.00 2 x 1.6 x 1
74479276222C 2.2 1.6 2.5 112.00 2 x 1.25 x 1
74479287222 2.2 1.5 2.5 132.00 2.5 x 2 x 1
74479288222 2.2 1.7 2.8 90.00 2.5 x 2 x 1.2
74479889222 2.2 1.3 1.7 250.00 2.5 x 2 x 1.2
74479976215 1.5 1.6 1.9 100.00 2 x 1.6 x 0.5
78438322022 2.2 1.3 2.2 252.00 2.5 x 2 x 0.8
78438323022 2.2 1.3 2.5 147.00 2.5 x 2 x 1
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